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TFA8200MonoBTLclass-DaudioamplifierwithdigitalinputsforIOTapplicationsRev.
1—19August2019Productdatasheet1GeneraldescriptionTheTFA8200isahigh-efficiencyfilter-freemonoclass-DaudioamplifierwithtwoseparatedigitalinputsforInternetofthings(IOT)applications.
TheTFA8200containsaprocessorthatsupportsarangeofsoundprocessingfeaturesincludinga5-bandparametricequalizer,separatebassandtreblecontrol,adynamicrangecompressor,softclipcontrol,andvolumecontrol.
Excellentaudioperformancecombinedwithhighpowersupplyrejectionratio(PSRR)isachievedbyusingaclosedloopconfiguration.
Twoindependentdigitalaudioinputs(I2S-bus/PCM/IOM2)areavailableforconnectingabasebandandamultimediaprocessor.
TheTFA8200isavailableinanHVQFN24package.
2Featuresandbenefits2.
1GeneralfeaturesClosedloopamplifierfor:–Highpowersupplyrejectionratio–ExcellentaudioperformanceDigitalinputforhighRFimmunityHighefficiencyformaximizingbatterylifeWidesupplyvoltagerange(fullyoperationalfrom2.
5Vto5.
5V)Delivershighoutputpowerinto4Ωand8ΩloadimpedancesPhase-lockedloop(PLL);nosystemclockrequiredProtectionincludingdiagnosticsviaI2C-bus:–Overcurrentprotection(OCP)toprotectagainstshortcircuitsacrossthespeaker,tothesupplyline,ortoground–Overtemperatureprotection(OTP)–Digitalinputsprotectedwithunderfrequencyprotection(UFP),overfrequencyprotection(OFP),andInvalidbit-clockprotection(IBP)'Popnoise'freeatpower-up/powerdown,duringsamplerateswitchingandwhenswitchingbetweendigitalinputsFourseparateI2C-busaddressesformulti-channelapplications1.
8V/3.
3VtolerantdigitalinputsOnlythreeexternalcomponentsrequiredNXPSemiconductorsTFA8200MonoBTLclass-DaudioamplifierwithdigitalinputsforIOTapplicationsTFA8200Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
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2Programmabledigitalsoundprocessor(DSP)Digitalvolumecontrol(70dBto+24dB)Digitalparametric5-bandequalizerBassandtreblecontrol(18dBto+18dB)Dynamicrangecompressor:–Programmableattackandreleaselevels–ProgrammableattackandreleaseratesSoftandhardmutecontrolProgrammableDCblockingviahigh-passfilterPowerlimiter(0dBto124dBin0.
5dBsteps)ZerocrossingvolumecontrolStereo-to-monodown-mixfunction2.
3InterfaceformatsupportfordigitalaudioinputsI2Sformats(fs=8kHzto96kHz):–PhilipsstandardI2S-bus–JapaneseI2S-busMSB-justified–SonyI2S-busLSB-justifiedPCM/IOM2formats(fs=8kHzorfs=16kHz):–Longframesync–Shortframesync3ApplicationsInternetofthings(IOT)devicesNotebooksPortablegamingdevicesNXPSemiconductorsTFA8200MonoBTLclass-DaudioamplifierwithdigitalinputsforIOTapplicationsTFA8200Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
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ProductdatasheetRev.
1—19August20193/634QuickreferencedataTable1.
QuickreferencedataAllparametersareguaranteedforVDDD=1.
8V;VDDP=3.
7V;RL=8Ω;LL=44μH;fi=1kHz;fs=48kHz;clipcontroloff;Tamb=25°Cunlessotherwisespecified.
SymbolParameterConditionsMinTypMaxUnitVDDPpowersupplyvoltageonpinVDDP2.
5-5.
5VVDDDdigitalsupplyvoltageonpinVDDD1.
651.
81.
95VonpinVDDP;amplifiermodewithload;softmuteon-5.
7-mAIPsupplycurrentonpinVDDP;power-downmode--20μAonpinVDDD;amplifiermode-1.
2-mAIDDDdigitalsupplycurrentonpinVDDD;power-downmode[1]-515μARL=8ΩTHD+N=1%0.
650.
7-WTHD+N=10%-0.
85-WRL=4ΩTHD+N=1%-1.
2-WTHD+N=10%-1.
5-WRL=8Ω;VDDP=4.
2VTHD+N=1%-0.
9-WTHD+N=10%-1.
1-WRL=4Ω;VDDP=4.
2VTHD+N=1%-1.
6-WTHD+N=10%-1.
95-WRL=8Ω;VDDP=5.
0VTHD+N=1%-1.
35-WTHD+N=10%-1.
6-WRL=4Ω;VDDP=5.
0VTHD+N=1%-2.
35-WPo(RMS)RMSoutputpowerTHD+N=10%-2.
75-WηpooutputpowerefficiencyPo(RMS)=850mW-92-%[1]Afterswitchingfromoff/amplifiermodetopower-downmode.
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ProductdatasheetRev.
1—19August20194/635OrderinginformationTable2.
OrderinginformationPackageTypenumberNameDescriptionVersionTFA8200HNHVQFN24plasticthermalenhancedverythinquadflatpackage;noleads;24terminals;body4x4x0.
85mmSOT616_36BlockdiagramI2CCONTROLDIGITALAUDIORECEIVERHIGHPASSFILTER5BANDEQUALIZERBASSTREBLEBOOSTPOWERLIMITERMUXPWMVDDPOUTAOUTBH-BRIDGE7,8109PLLVOLUMECONTROLDRCDSP123VDDDTFA82002202122171819SCLSDI1SCK1LRCK1SDI2SCK2LRCK21624ADSEL1SDAPROTECTIONCIRCUITS:OCPOTPOFPUFPIBP6,14n.
c.
GNDDSTABA13GNDP11,122ndORDERLOOPaaa-032537TEST13TEST215TEST354ADSEL2DAP2ndORDERLOOPFigure1.
BlockdiagramNXPSemiconductorsTFA8200MonoBTLclass-DaudioamplifierwithdigitalinputsforIOTapplicationsTFA8200Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
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ProductdatasheetRev.
1—19August20195/637Pinninginformation7.
1Pinningaaa-032538TFA8200TransparenttopviewSTABATEST3n.
c.
n.
c.
ADSEL2TEST2TEST1ADSEL1SCLSDI2SDASCK2VDDPVDDPOUTBOUTAGNDPGNDPGNDDVDDDLRCK1SCK1SDI1LRCK2terminal1indexarea613514415316217118789101112242322212019DAP(1)1.
Exposeddieattachpaddle(DAP)Figure2.
Pinconfiguration7.
2PindescriptionTable3.
PindescriptionSymbolPinPinTypeDescriptionSDA1IOI2C-busdatainput/outputSCL2II2C-busbitclockinputTEST13Itestsignalinput1;fortestpurposesonly;connecttoPCBgroundADSEL24Iaddressselectioninput2TEST35Itestsignalinput3;fortestpurposesonly;connecttoPCBgroundn.
c.
6-notconnected;connecttoPCBgroundVDDP7,8Panalogsupplyvoltage(2.
5Vto5.
5V)OUTB9OoutputB(negative)OUTA10OoutputA(positive)GNDP11,12Panalogground,PCBgroundreferenceSTABA13O1.
8Vanalogstabilizeroutputn.
c14-notconnected;connecttoPCBgroundTEST215Itestsignalinput2;fortestpurposesonly;connecttoPCBgroundADSEL116Iaddressselectioninput1SDI217Idigitalaudiodatainput2SCK218Idigitalaudiobitclockinput2LRCK219Idigitalaudiowordselectinput2SDI120Idigitalaudiodatainput1NXPSemiconductorsTFA8200MonoBTLclass-DaudioamplifierwithdigitalinputsforIOTapplicationsTFA8200Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
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ProductdatasheetRev.
1—19August20196/63SymbolPinPinTypeDescriptionSCK121Idigitalaudiobitclockinput1LRCK122Idigitalaudiowordselectinput1VDDD23Pdigitalsupplyvoltage(1.
8V)GNDD24Pdigitalground,PCBgroundreferenceDAP-PexposedDieAttachedPaddle(DAP);connecttoPCBgroundNXPSemiconductorsTFA8200MonoBTLclass-DaudioamplifierwithdigitalinputsforIOTapplicationsTFA8200Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
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ProductdatasheetRev.
1—19August20197/638FunctionaldescriptionTheTFA8200isahigh-efficiencymonobridgetiedload(BTL)class-Damplifierwithdigitalaudioinputs.
Itsupportsallcommonlyusedformats.
ThekeyfunctionalblocksoftheTFA8200areshowninFigure1.
Inthedigitaldomain,theaudiosignalisprocessedandconvertedintoapulsewidthmodulated(PWM)signalusinga3-levelmodulation.
Intheanalogdomain,thePWMsignalisamplifiedusingasecondorderfeedbackloop.
Theaudiosignal-processingpathisdescribedbelow:1.
TheMUXselectstheserialinterfaceinputtobeused.
2.
Thedigitalaudioreceivertranslatestheserialinputsignalintoastandardinternalmonoaudiostream.
3.
Theprogrammablehigh-passfilterblocksDCsignalsandlowfrequencysignals.
4.
Thevolumecontrolprovidesgainandattenuationfunctionality.
Theusercanadjustitoritcanbeadjusteddynamicallyviathedynamicrangecompressor(DRC).
Thevolumecontrolcanbeusedtoadjustthesignallevelbetween70dBand+24dB.
5.
The5-bandparametricequalizercanbeusedtoequalizethemonoaudiostream.
Itcanbeusedforspeakertransfercurvecompensationtooptimizetheaudioperformanceofthespeakers.
6.
Thebassandtrebleboostfunctionprovidesanotherwaytoadjustthesound.
7.
ThepowerlimiterlimitsthemaximumoutputsignaloftheTFA8200.
Thepowerlimitersettingsare0dBto124dBinstepsof0.
5dB.
Thisfunctioncanbeusedtolimitthemaximumoutputpowerdeliveredtothespeakersatafixedsupplyvoltageandspeakerimpedance.
8.
ThePWMcontrollerblockconvertstheaudiosignalintoa3-levelmodulatedPWMsignal.
The3-levelmodulationprovidesahighsignal-to-noiseperformanceandeliminatesclockjitternoise.
9.
Thesecond-orderfeedbackloopensuresexcellentaudioperformanceandhighpowersupplyrejectionratio.
10.
TheH-BRIDGEallowstheTFA8200todelivertherequiredoutputpowerbetweenterminalsOUTAandOUTB.
TheinternalclocksoftheTFA8200arederivedfromthedigitalaudiointerface(SCK1andSCK2)usingaPLL.
ThereferenceinputforthePLLisselectedviathedigitalinputMUX.
TheaudiosignalpathcanbeselectedviatheI2C-businterface.
ThePLLblockgeneratesthesystemclock.
ThefollowingprotectioncircuitsarebuiltintotheTFA8200:Overtemperatureprotection(OTP)Overcurrentprotection(OCP)Underfrequencyprotection(UFP)Overfrequencyprotection(OFP)Invalidbit-clockprotection(IBP)DC-blockingNXPSemiconductorsTFA8200MonoBTLclass-DaudioamplifierwithdigitalinputsforIOTapplicationsTFA8200Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
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1OperatingmodesTheTFA8200supportsthefollowingoperatingmodes,whicharecontrolledviatheI2C-businterface:Power-downmode,usedtoswitchoffthedevice;currentconsumptionisreducedtoaminimum;theI2C-busremainsoperational;thePWMoutputsaredisabled.
Offmode,inwhichtheclass-Damplifierisswitchedoff;theTFA8200iscompletelybiasedandthePWMoutputsaredisabled.
Amplifiermode,inwhichthedigitalinputsareusedtogenerateasignalbetweenOUTAandOUTB.
TheTFA8200devicecontrolsettingsaredetailedinTable21.
8.
1.
1Power-up/power-downThepower-upandpower-downtimingoftheTFA8200isillustratedinFigure3.
Beforetheoperatingmodeisselected,theexternalpowersupplylevels,VDDPandVDDD,mustbewithinthespecifiedoperatingranges.
BeforetheoperatingmodecanbeselectedviabitsOPMODE,bitPOWERUPinthedevicecontrolregister(Table21)mustbesetto1.
Aftertheturn-ondelay(td(on)),thedeviceautomaticallygeneratesasoftunmutefunction.
WhenOPMODEissetto0,asoftmutefunctionisgenerated.
TheTFA8200mustbesettopower-downmodebeforethepowersuppliesaredisconnectedorturnedoff.
filteredBTLoutputsignalOUTA,OUTBserialinterfaceinputsignalsI2CPOWERUP(00h,bit0)VDDP,VDDDI2COPMODE(00h,bit3)operatingtd(soft_mute)010aaa653td(on)td(mute_off)Figure3.
Power-up/power-downtimingNXPSemiconductorsTFA8200MonoBTLclass-DaudioamplifierwithdigitalinputsforIOTapplicationsTFA8200Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
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1.
2SupporteddigitalaudiodataformatsTheTFA8200supportsacommonlyusedrangeofI2S,PCM,andIOM2digitalaudiodataformats.
TheI2Sformats,selectedviabitsI2S_SETintheserialinterfacecontrolregister(Table22),arelistedinTable4.
ThePCM/IOM2formatsarelistedinTable5.
TheTFA8200automaticallydetectsthenumberofslotsbymeasuringtheratiobetweenthesyncfrequency(8kHz)andthedataclock.
Table24detailstheI2CsettingsforthePCM/IOM2formats.
Table4.
I2S-supporteddigitalaudiodataformatsSCKfrequencyInterfaceformat(MSBfirst)Supporteddataformat32fsI2S(Philips)standardupto16-bitdata32fsMSB-justifiedupto16-bitdata32fsLSB-justified-16bits16-bitdata64fsI2S(Philips)standardupto24-bitdata64fsMSB-justifiedupto24-bitdata64fsLSB-justified-16bits16-bitdata64fsLSB-justified-18bits18-bitdata64fsLSB-justified-20bits20-bitdata64fsLSB-justified-24bits24-bitdataNXPSemiconductorsTFA8200MonoBTLclass-DaudioamplifierwithdigitalinputsforIOTapplicationsTFA8200Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
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ProductdatasheetRev.
1—19August201910/6316MSBB2B3B4B5B6LEFTLSB-JUSTIFIEDFORMAT20BITSWSBCKDATARIGHT151817201921B19LSB16MSBB2B3B4B5B6151817201921B19LSBMSBMSBB221123LEFTI2S-BUSFORMATWSBCKDATARIGHT3MSBB2010aaa45816B5B6B7B8B9B10LEFTLSB-JUSTIFIEDFORMAT24BITSWSBCKDATARIGHT15181720192221232421B3B4MSBB2B23LSB16B5B6B7B8B9B1015181720192221232421B3B4MSBB2B23LSB16MSBB2LEFTLSB-JUSTIFIEDFORMAT16BITSWSBCKDATARIGHT1521B15LSB16MSBB21521B15LSB16MSBB2B3B4LEFTLSB-JUSTIFIEDFORMAT18BITSWSBCKDATARIGHT15181721MSBB2B3B4B17LSB1615181721B17LSBMSB-JUSTIFIEDFORMATWSLEFTRIGHT321321MSBB2MSBLSBLSBMSBB2B2BCKDATAFigure4.
I2S-supporteddigitalaudiodataformatsTable5.
PCM/IOM2-supportedaudiodataformatsNumberofslotsfs(kHz)Syncfrequency(kHz)onLRCKpinSupporteddataformatsDataclock(kHz)onSCKpin28or1688-bitdata12828or1688-bitdata12848or1688-bitdata25648or1688-bitdata25668or1688-bitdata38488or1688-bitdata512128or1688-bitdata768168or1688-bitdata1024reserved28or16816-bitdata256NXPSemiconductorsTFA8200MonoBTLclass-DaudioamplifierwithdigitalinputsforIOTapplicationsTFA8200Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
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1—19August201911/63Numberofslotsfs(kHz)Syncfrequency(kHz)onLRCKpinSupporteddataformatsDataclock(kHz)onSCKpin38or16816-bitdata38448or16816-bitdata51268or16816-bitdata76888or16816-bitdata1024128or16816-bitdata1536128or16816-bitdata1536MSBLRCKSCKSDILSBMSBB2B2LSBMSBSHORTSYNCPCM/IOM2FORMATSlot0Slot1Slot2SlotN-1SlotNB2LSBMSBB2LSBMSBLRCKSCKSDILSBMSBB2B2LSBMSBLONGSYNCPCM/IOM2FORMATSlot0Slot1Slot2SlotN-1SlotN010aaa652B2LSBMSBB2LSBFigure5.
PCM/IOM2-supporteddigitalaudiodataformats8.
2Digitalsignalprocessor(DSP)features8.
2.
1SerialinterfaceselectionTheTFA8200containstwoserialinterfaces.
TheactiveinterfaceisselectedviabitINPUT_SELinthedevicecontrolregister(seeTable21).
Whenthisbitistoggled,thefollowingsequenceisinitiated:Softmuteisactivatedfor128/fssecondsTheTFA8200switchestooffmodeandtheserialinterfaceinputistoggledTheTFA8200switchesbacktooperatingmodeandsoftmuteisreleasedNXPSemiconductorsTFA8200MonoBTLclass-DaudioamplifierwithdigitalinputsforIOTapplicationsTFA8200Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
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ProductdatasheetRev.
1—19August201912/638.
2.
2MonoselectionMonoselectionisusedtoselectthedigitalaudioinputchanneltobeamplified.
Theoptionsare:LeftchannelRightchannelLeft+rightchannels(sumdividedbytwo)SeparatemonoselectionisprovidedforthetwoserialinterfacesviabitsMONO_SELintheserialinterfacecontrolregisters(addresses01hand03h;seeTable22).
8.
2.
3Programmablehigh-passfilterToblockDCandlowfrequencysignals,theTFA8200featuresafirst-orderhigh-passfilteronthedigitalaudioinput.
DCvaluesattheoutputcandamagethespeaker.
Thehigh-passfiltercut-offfrequencyisdeterminedby:Thehigh-passfiltercontrolsetting(bitsHP_CTRL,seeTable30)Thesamplefrequency,fsTherelationshipbetweentheseparametersandthecut-offfrequencyisdefinedinEquation1:(1)HP_CTRLcanbeprogrammedtoanyintegervaluebetween0and511(seeTable30).
IfHP_CTRL=0orbitHPF_BPinthebypasscontrolregisterissetto1(seeTable27),thehigh-passfilterisbypassed.
8.
2.
4De-emphasisDigitalde-emphasisissometimesrequired.
ToachievegoodSNRoverthecompleteaudioband,thehighfrequencycomponentsoftheaudiosignalwereamplifiedpriortotransmission(=emphasis).
Thede-emphasisfilterisasimplefirstorderfilter.
Thecut-offfrequencyofthede-emphasislow-passfilterisapproximately3.
5kHz.
TheTFA8200de-emphasisfilterissupportedforfoursamplefrequencies,asdetailedinTable6.
Table6.
De-emphasiscontrol[1:0]Controlvalue[1]fs(kHz)00[2]de-emphasisinactive01321044.
11148[1]ValueselectedviabitsDE_PHASinthede-emphasis,soft/hardmuteandpowerlimitercontrolregister(seeTable32).
[2]Defaultvalue.
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2.
5EqualizerTheequalizercanbeusedforspeakercurvecompensationorforcustomerequalizersettings,suchasjazz,pop,rock,orclassicalmusic.
Theequalizerfunctioncanbebypassedorconfiguredas5-band.
8.
2.
5.
1EqualizerbandfunctionThefollowingthreefilterparametersdeterminetheshapeofeachparametricequalizerband:(Relative)centerfrequency(2)QualityfactorQGainfactorGInEquation2,fcisthecenterfrequencyandfsisthesamplefrequency.
Thedefinitionofthequalityfactoristhecenterfrequencydividedbythe3dBbandwidth(seeEquation3).
Inparametricequalizers,itisonlyvalidwhenthegainissetverylow(30dB).
(3)Eachbandfiltercanbeprogrammedtoperformaband-suppression(G1)functionaroundthecenterfrequency.
EachbandoftheTFA8200equalizerhasasecondorderregalia-mitraall-passfilterstructure.
ThestructureisshowninFigure6.
X(z)A(z)sY(z)+++-010aaa406K0/2Figure6.
Regalia-mitrafilterflowdiagramThetransferfunctionofthisall-passfilterisgiveninEquation4:(4)NXPSemiconductorsTFA8200MonoBTLclass-DaudioamplifierwithdigitalinputsforIOTapplicationsTFA8200Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
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ProductdatasheetRev.
1—19August201914/63A(z)isthesecond-orderfilterstructure.
ThetransferfunctionofA(z)isgiveninEquation5:(5)Z1equalsonefsdelayperiod.
TherelationshipbetweentheprogrammableparametersK0,K1,andK2andthefilterparametersG,ω,andQisshowninEquation6andEquation7.
Equation6canbeusedtocalculatebandsuppression(GfOFP),OFPsetstheoutputstagesfloating.
Itcanhappenif,forexample,theselectedsamplefrequency(bitsI2S_FSinTable22)isnotinlinewiththeappliedsamplerate.
Whenthefrequencyoftheinputclockishigherthantheselectedsamplefrequency,thePWMcontrollercanbecomeunstable.
WithoutOFP,peripheraldevicesinanapplicationmaybedamaged.
TheOFPstatuscanbemonitoredbypollingtheI2Cstatusregister(Table33).
Whentheinputsamplerateistoohigh,thealarmisraised.
8.
4.
5Invalidbit-clockprotection(IBP)IftheSCK-to-LRCKratioisnotsupported,theaudiosignalisdistorted.
Thereasonitoccursisthatthesoundprocessingblocksareoperatingatfrequenciesoutofsynchronizationwiththesamplerate.
IftheIBPalarmisraisedfortheselectedchannel,IBPpreventsthattheaudiosignalbecomesdistortedbyshuttingdowntheTFA8200.
Itdisconnectsthedigitalaudiopath.
ValidSCK-to-LRCKratiosforPCMinterfaceformatsare16,32,48,64,96,128,and192.
ForI2Sinterfaceformats,validSCK-to-LRCKratiosare32and64.
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4.
6OverviewofprotectioncircuitsTable15providesanoverviewoftheprotectioncircuitsimplemented.
Table15.
OverviewofprotectioncircuitsProtectioncircuitsSymbolConditionsI2CflagOutputRecoveryOTPTj>130°COTPfloatingautomaticwhentimersetto4.
5μs,100ms,or1s(viabitsL_OTPinTable27)andTjIO(ocp)OCPfloatingautomaticwhentimersetto4.
5μs,27.
5μs,or10μs(viabitsL_OCPinTable27)andIO96kHz,faulttooperating)OFPPWMfrequency>1031kHzOFPfloatingrestart(whenPWMfrequencyVIH9.
2I2C-buswritecycleThesequenceofeventsthatmustbefollowedwhenwritingdatatotheI2C-busregistersoftheTFA8200isdetailedinTable18.
Onebyteistransmittedatatime.
Eachregisterstorestwobytesofdata.
Dataisalwayswritteninbytepairs.
DatatransferisalwaysMSBfirst.
ThewritecyclesequenceusingSDAisasfollows:1.
Themicrocontrollerassertsastartcondition(S).
2.
Themicrocontrollertransmitsthe7-bitdeviceaddressoftheTFA8200,followedbytheR/Wbitsetto0.
3.
TheTFA8200assertsanacknowledge(A).
4.
Themicrocontrollertransmitsthe8-bitTFA8200registeraddresstowhichthefirstdatabyteiswritten.
5.
TheTFA8200assertsanacknowledge.
6.
Themicrocontrollertransmitsthefirstbyte(themostsignificantbyte).
7.
TheTFA8200assertsanacknowledge.
8.
Themicrocontrollertransmitsthesecondbyte(theleastsignificantbyte).
9.
TheTFA8200assertsanacknowledge.
10.
Themicrocontrollercaneitherassertthestopcondition(P)orcontinuetransmittingdatabysendinganotherpairofdatabytes,repeatingthesequencefromstep6.
Inthelattercase,theTFA8200auto-incrementsthetargetedregisteraddress.
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ProductdatasheetRev.
1—19August201928/63Table18.
I2C-buswritecycleStartTFA8200AddressR/WTFA8200firstregisteraddressMSBLSBMoredata.
.
.
StopS11011A2A10AADDRAMS1ALS1AP9.
3I2C-busreadcycleThesequenceofeventsthatmustbefollowedwhenreadingdatafromtheI2C-busregistersoftheTFA8200isdetailedinTable19.
Onebyteistransmittedatatime.
Eachoftheregistersstorestwobytesofdata.
Dataisalwayswritteninbytepairs.
DatatransferisalwaysMSBfirst.
ThereadcyclesequenceusingSDAisasfollows:1.
Themicrocontrollerassertsastartcondition(S).
2.
Themicrocontrollertransmitsthe7-bitdeviceaddressoftheTFA8200,followedbytheR/Wbitsetto0.
3.
TheTFA8200assertsanacknowledge(A).
4.
Themicrocontrollertransmitsthe8-bitTFA8200registeraddressfromwhichthefirstdatabyteisread.
5.
TheTFA8200assertsanacknowledge.
6.
Themicrocontrollerassertsarepeatedstart(Sr).
7.
ThemicrocontrollerretransmitsthedeviceaddressfollowedbytheR/Wbitsetto1.
8.
TheTFA8200assertsanacknowledge.
9.
TheTFA8200transmitsthefirstbyte(theMSB).
10.
Themicrocontrollerassertsanacknowledge.
11.
TheTFA8200transmitsthesecondbyte(theLSB).
12.
Themicrocontrollerassertseitheranacknowledgeoranegativeacknowledge(NA).
Ifthemicrocontrollerassertsanacknowledge,theTFA8200auto-increasesthetargetregisteraddressandsteps9to12arerepeated.
Ifthemicrocontrollerassertsanegativeacknowledge,theTFA8200freestheI2C-busandthemicrocontrollergeneratesastopcondition(P).
Table19.
I2C-busreadcycleStartTFA8200addressR/WFirstregisteraddressTFA8200addressR/WMSBLSBMoredata.
.
.
StopS11011A2A10AADDRASr11011A2A11AMS1ALS1ANAPNXPSemiconductorsTFA8200MonoBTLclass-DaudioamplifierwithdigitalinputsforIOTapplicationsTFA8200Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
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4Top-levelregistermapTable20describesthetop-levelassignmentofregisteraddressestothefunctionalcontrolandstatusareas.
Thereare21controlregistersand1statusregister.
Table20.
Top-levelregistermapRegisteraddress(hex)Default(hex)AccessDescription00h0x0000R/Wdevicecontrol;seeTable2101h0x0A18R/WserialInterfaceinput1;seeTable2202h0x0007R/WPCM/IOM2formatinput1;seeTable2303h0x0A18R/WserialInterfaceinput2;seeTable2204h0x0007R/WPCM/IOM2formatinput2;seeTable2305h0x59DDR/Wequalizer_Aword_1;seeTable2406h0xC63ER/Wequalizer_Aword_2;seeTable2507h0x651AR/Wequalizer_Bword_1;seeTable2408h0xE53ER/Wequalizer_Bword_2;seeTable2509h0x4616R/Wequalizer_Cword_1;seeTable240Ah0xD33ER/Wequalizer_Cword_2;seeTable250Bh0x4DF3R/Wequalizer_Dword_1;seeTable240Ch0xEA3ER/Wequalizer_Dword_2;seeTable250Dh0x5EE0R/Wequalizer_Eword_1;seeTable240Eh0xF93ER/Wequalizer_Eword_2;seeTable250Fh0x0093R/Wbypasscontrol;seeTable2710h0x92BAR/Wdynamicrangecompressor;seeTable2811h0x12A5R/Wbassandtreble;seeTable2912h0x0004R/Whigh-passfilter;seeTable3013h0x10BDR/Wvolumecontrol;seeTable3114h0x0000R/Wde-emphasis,soft/hardmuteandpowerlimiter;seeTable3215h-Rmiscellaneousstatus;seeTable33Thefollowingsubsectionsprovidedetailsofthebitsintheseregistersandthecontrolandstatusfunctionalityassignedtoeach.
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ProductdatasheetRev.
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4.
1DevicecontrolTable21.
Devicecontrolregister(address00h)bitdescriptionBitSymbolAccessDefaultDescription15:5reserved0x000serialinterfaceinputselection0:serialinterfaceinput14INPUT_SELR/W01:serialinterfaceinput2operatingmodeselection0:offmode3OPMODER/W01:amplifiermode2reserved0I2Cresetactivation0:resetinactive1RESETR/W01:resetactive;1iswrittentogenerateareset,afterwhichtheRESETbitisautomaticallyresetto0Power-downmodeselection0:Power-downmode0POWERUPR/W01:operatingmode(dependentonOPMODE)NXPSemiconductorsTFA8200MonoBTLclass-DaudioamplifierwithdigitalinputsforIOTapplicationsTFA8200Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
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4.
2SerialinterfacecontrolTable22.
Serialinterfacecontrolregisters(addresses01hand03h[1])bitdescriptionBitSymbolAccessDefaultDescription15:12reserved000010monoselection00:leftchannel;leftchannelcontentisamplifiedinamplifiermode01:rightchannel;rightchannelcontentisamplifiedinamplifiermode10:left+rightchannels;sumofleftandrightchannels,dividedbytwo,isamplifiedinamplifiermode11:10MONO_SELR/W11:reservedsamplefrequency(fs)ofdigital-insignal0000:8kHz0001:11.
025kHz0010:12kHz0011:16kHz0100:22.
05kHz0101:24kHz0110:32kHz0111:44.
1kHz1000:48kHz1001:64kHz1010:88.
2kHz1011:96kHz9:6I2S_FSR/W10001100to1111:reservedI2Sformatselection000:reserved001:reserved010:MSB-justifieddataupto24bits011:I2Sdataupto24bits100:LSB-justified16-bitdata101:LSB-justified18-bitdata110:LSB-justified20-bitdata5:3I2S_SETR/W011111:LSB-justified24-bitdataenableSCKsignalpolarityinversion0:noSCKsignalpolarityinversion2SCK_POLR/W01:SCKsignalpolarityinversionenabledNXPSemiconductorsTFA8200MonoBTLclass-DaudioamplifierwithdigitalinputsforIOTapplicationsTFA8200Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
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ProductdatasheetRev.
1—19August201932/63BitSymbolAccessDefaultDescriptioninputaudiomodeselection00:I2Smode01:PCM/IOM2ShortFrameSyncFormat10:PCM/IOM2LongFrameSyncFormat1:0I_MODER/W0011:reserved[1]Serialinterface1settingsarecontrolledviaregister01h;serialinterface2settingsarecontrolledviaregister03h.
Table23.
PCM/IOM2formatcontrolregisters(addresses02hand04h[1])bitdescriptionBitSymbolAccessDefaultDescription15:12reserved0000PCMsamplefrequency0:8kHz11PCM_FSR/W01:16kHzU-LAW/A-LAWdecodingselection(dependingonPCM_COMP)0:U-lawdecoding;defaultvalue10A_LAWR/W01:A-lawdecodingcompandedPCMdata0:linear9PCM_COMPR/W01:companded(U/A-law)PCMdatalength(numberofbitsperslot)0:8-bit;defaultvalue8PCM_DLR/W01:16-bitslotnumberpositionofthefirstsample(at8kHzand16kHz)0000:slot00001:slot1.
.
.
.
7:4D1_SLOTR/W00001111:slot15slotnumberpositionofthesecondsample(16kHz)0000:slot00001:slot13:0D2_SLOTR/W0111.
.
.
.
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ProductdatasheetRev.
1—19August201933/63BitSymbolAccessDefaultDescription0111:slot7.
.
.
.
3:0(continued)1111:slot15[1]PCM/IOM2formatsettingsofserialinterface1arecontrolledviaregister02h;PCM/IOM2formatsettingsofserialinterface2arecontrolledviaregister04h.
9.
4.
3EqualizerconfigurationTable24.
Equalizerword1controlregisters(addresses05h,07h,09h,0Bh,and0DhforequalizerbandsA,B,C,D,andErespectively)bitdescription'x'representstheequalizerbandA,B,C,D,orEBitSymbolAccessDefault[1]Description15EQx_t1R/Wfilterconfigurationparametert1(seeSection8.
2.
5.
1)14:4EQx_k1mR/W11mantissabitsoffilterparameterk1'(seeSection8.
2.
5.
1)3:0EQx_k1eR/Wfourexponentbitsoffilterparameterk1'(seeSection8.
2.
5.
1)[1]DefaultsettingsaregiveninTable20.
ThecorrespondingequalizerconfigurationisshowninTable26.
Table25.
Equalizerword2controlregister(addresses06h,08h,0Ah,0Ch,and0EhforequalizerbandsA,B,C,D,andErespectively)bitdescriptionx'representstheequalizerbandA,B,C,D,orEBitSymbolAccessDefault[1]Description15EQx_t2R/Wfilterconfigurationparametert2(seeSection8.
2.
5.
1)14:11EQx_k2mR/Wfourmantissabitsoffilterparameterk2'(seeSection8.
2.
5.
1)10:8EQx_k2eR/Wthreeexponentbitsoffilterparameterk2'(seeSection8.
2.
5.
1)7:1EQx_K0R/Wseven-bitoffiltergainparameterK0(seeSection8.
2.
5.
1)filterscale-factor(s)(seeSection8.
2.
5.
1)0:noscalingapplied0EQx_sR/W1:6dBamplificationenabled[1]DefaultsettingsaregiveninTable20.
ThecorrespondingequalizerconfigurationisshowninTable26.
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1—19August201934/63Table26.
Defaultequalizerconfigurationforfs=48kHzBandABCDEfrequency(Hz)1003001000300010000Q-factor1.
651.
651.
651.
651.
65gain(dB)000009.
4.
4BypasscontrolTable27.
Bypasscontrolregister(addresses0Fh)bitdescriptionBitSymbolAccessDefaultDescription15:8reserved0x00overcurrentprotectiontimersetting00:4.
5μsfloatingwhenanovercurrentisdetected01:27.
5μsfloatingwhenanovercurrentisdetected10:10msfloatingwhenanovercurrentisdetected7:6L_OCPR/W1011:norecovery(staysfloating)whenanovercurrentisdetectedovertemperatureprotectiontimersetting00:4.
5μsfloatingwhenanovertemperatureisdetected01:100msfloatingwhenanovertemperatureisdetected10:1sfloatingwhenanovertemperatureisdetected5:4L_OTPR/W0111:norecovery(staysfloating)whenanovertemperatureisdetectedclipcontrolbypasssetting(seeSection8.
3)0:clipcontrolon(smoothclipping)3CLIPCTRLR/W01:clipcontroloff(maximumpower)high-passfilterbypasssetting0:high-passfilteractive2HPF_BPR/W01:high-passfilterbypasseddynamicrangecompressorbypasssetting0:dynamicrangecompressionactive1DRC_BPR/W11:dynamicrangecompressionbypassedequalizerbypasssetting:0:equalizeractive0EQ_BPR/W11:equalizerbypassedNXPSemiconductorsTFA8200MonoBTLclass-DaudioamplifierwithdigitalinputsforIOTapplicationsTFA8200Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
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4.
5DynamicrangecompressorTable28.
DRCcontrolregister(addresses10h)bitdescriptionBitSymbolAccessDefaultDescription15:12AT_LVLR/W1001dynamicrangecompressorattacklevel;seeTable11fortheattacklevelasafunctionofthevalueofAT_LTV.
11:8AT_RATER/W0010dynamicrangecompressorattackrate;seeTable12fortheattackrateasafunctionofthevalueofAT_RATE37:4RL_LVLR/W1011dynamicrangecompressorreleaselevel;seeTable11forthereleaselevelasafunctionofthevalueofRL_LTV.
3:0RL_RATER/W1010dynamicrangecompressorreleaserate;seeTable12forthereleaserateasafunctionofthevalueofRL_RATE9.
4.
6BassandtreblecontrolTable29.
Bassandtreblecontrolregister(addresses11h)bitdescriptionBitSymbolAccessDefaultDescription15:14reserved01001treblegain(2dBsteps)00000:18dB00001:16dB.
.
.
.
01001:0dB.
.
.
.
10001:+16dB10010:+18d813:9G_TRBLER/W10011to11111:reserved8:7F_TRBLER/W01treblecontrolcornerfrequency(seeTable9forthecornerfrequencyasafunctionofthevalueofF_TREBLE)01001bassgain(2dBsteps)18dB16dB.
.
.
.
01001:0dB.
.
.
.
+16dB+16d86:2G_BASSR/WreservedNXPSemiconductorsTFA8200MonoBTLclass-DaudioamplifierwithdigitalinputsforIOTapplicationsTFA8200Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
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1—19August201936/63BitSymbolAccessDefaultDescription1:0F_BASSR/W01basscontrolcornerfrequency(seeTable9forthecornerfrequencyasafunctionofthevalueofF_BASS)9.
4.
7High-passfilterTable30.
High-passfiltercontrolregister(addresses12h)bitdescriptionBitSymbolAccessDefaultDescription15:9reserved8:0HP_CTRLR/W0x04[1]high-passfiltercontrol(seeSection8.
2.
3foradiscussionofthehighpasscornerfrequencyasafunctionofthevalueofHP_CTRL)[1]Defaultvalueis04h.
FromEquation1,givingahigh-passcut-offfrequencyofapproximately1.
6*fs.
9.
4.
8VolumecontrolTable31.
Volumecontrolregister(address13h)bitdescriptionBitSymbolAccessDefaultDescription15:13reserved000volumeupdateatzerocrossingaudiostream0:zero-crossingvolumecontroldisabled12ZR_CRSSR/W11:zero-crossingvolumecontrolenabled;defaultvalue11:8reservedR/W00007:0VOLR/W0xBDvolumecontrol(seeTable10fortheamplificationandsuppressionfactorsasafunctionofthevalueofbitsVOL)9.
4.
9De-emphasis,soft/hardmute,andpowerlimiterTable32.
De-emphasis,soft/hardmuteandpowerlimitercontrolregister(address14h)bitdescriptionBitSymbolAccessDefaultDescription15:12reserved000011:10DE_PHASR/W00de-emphasissettings(seeTable6forthede-emphasisconfigurationforfoursampleratesasafunctionofthevalueofDE_PHASE)hardmute0:nohardmute;defaultvalue9H_MUTER/W01:hardmuteenabled;implementedbyPWMsignalwith50%dutycyclesoftmute;defaultvalue0:softmutedisabledusingraisedcosine8S_MUTER/W01:softmuteenabledusingraisedcosineNXPSemiconductorsTFA8200MonoBTLclass-DaudioamplifierwithdigitalinputsforIOTapplicationsTFA8200Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
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ProductdatasheetRev.
1—19August201937/63BitSymbolAccessDefaultDescription7:0P_LIMR/W0xBDpowerlimitercontrolsettings(seeTable13forsuppressionsfactorsasafunctionofthevalueofP_LIM)9.
4.
10MiscellaneousstatusTable33.
Miscellaneousstatusregister(address15h)bitdescriptionBitSymbolAccessDescription15reservedpowerstagestatus0:class-Daudioamplifierpowerstagefloating14PSR1:class-Daudioamplifierpowerstageswitching;PWMsignalsonpinsOUTAandOUTBanalog1V8regulatorstatus0:1V8analogregulatorisofforoutputvoltagelevelistoolow13PORAR1:1V8analogregulatoroutputisavailableandcorrect12:11reservedamplifiermodestatus00:amplifierisoff01:startup10:startup10:9AMPR11:amplifierisfunctionalinvalidbitclockprotectiononserialinterfaceinput20:theratioinfrequencybetweenthesignalonpinSCK2andthesignalonpinLRCK2isvalidfortheselectedinterfaceformat8IBP(2)R1:theratioinfrequencybetweenthesignalonpinSCK2andthesignalonpinLRCK2isinvalidfortheselectedinterfaceformatoverfrequencyprotectiononserialinterfaceinput20:thefrequencyofthesignalonpinLRCK2isinlinewith(orlowerthan)theselectedinterfaceformat7OFP(2)R1:thefrequencyofthesignalonpinLRCK2ishigherthantheselectedinterfaceformatunderfrequencyprotectiononserialinterfaceinput20:thefrequencyofthesignalonpinLRCK2isinlinewith(orhigherthan)theselectedinterfaceformat6UFP(2)R1:thefrequencyofthesignalonpinLRCK2islowerthantheselectedinterfaceformatNXPSemiconductorsTFA8200MonoBTLclass-DaudioamplifierwithdigitalinputsforIOTapplicationsTFA8200Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
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ProductdatasheetRev.
1—19August201938/63BitSymbolAccessDescriptioninvalidbitclockprotectiononserialinterfaceinput10:theratioinfrequencybetweenthesignalonpinSCK1andthesignalonpinLRCK1isvalidfortheselectedinterfaceformat5IBP(1)R1:theratioinfrequencybetweenthesignalonpinSCK1andthesignalonpinLRCK1isinvalidfortheselectedinterfaceformatoverfrequencyprotectiononserialinterfaceinput10:thefrequencyofthesignalonpinLRCK1isinlinewith(orlowerthan)theselectedinterfaceformat4OFP(1)R1:thefrequencyofthesignalonpinLRCK1ishigherthantheselectedinterfaceformatunderfrequencyprotectiononserialinterfaceinput10:thefrequencyofthesignalonpinLRCK1isinlinewith(orhigherthan)theselectedinterfaceformat3UFP(1)R1:thefrequencyofthesignalonpinLRCK1islowerthantheselectedinterfaceformatovercurrentprotectiononpinOUTA0:overcurrentprotectiononpinOUTAactive2OCPOKAR1:overcurrentprotectiononpinOUTAinactiveovercurrentprotectiononpinOUTB0:overcurrentprotectiononpinOUTBactive1OCPOKBR1:overcurrentprotectiononpinOUTBinactiveovertemperatureprotection0:overtemperatureprotectionactive0OTPOKR1:overtemperatureprotectioninactiveNXPSemiconductorsTFA8200MonoBTLclass-DaudioamplifierwithdigitalinputsforIOTapplicationsTFA8200Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
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ProductdatasheetRev.
1—19August201939/6310InternalcircuitryTable34.
InternalcircuitryPinSymbolEquivalentcircuit1SDA010aaa6321ESD11,12,242SCL3TEST14ADSEL25TEST316ADSEL117SDI218SCK219LRCK220SDI121SCK122LRCK2010aaa633ESD11,12,242to516to227;8VDDP010aaa63411,12,247,8ESD9OUTB10OUTA010aaa63511,12,247,89,10NXPSemiconductorsTFA8200MonoBTLclass-DaudioamplifierwithdigitalinputsforIOTapplicationsTFA8200Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
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ProductdatasheetRev.
1—19August201940/63PinSymbolEquivalentcircuit13STABA010aaa63613ESD11,12,247,815TEST2010aaa63711,12,247,815ESDNXPSemiconductorsTFA8200MonoBTLclass-DaudioamplifierwithdigitalinputsforIOTapplicationsTFA8200Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
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ProductdatasheetRev.
1—19August201941/6311LimitingvaluesTable35.
LimitingvaluesInaccordancewiththeAbsoluteMaximumRatingSystem(IEC60134).
SymbolParameterConditionsMinMaxUnitVDDAanalogsupplyvoltageonpinVDDP0.
3+5.
5VVDDDdigitalsupplyvoltageonpinVDDD0.
3+1.
95VTjjunctiontemperature-150°CTstgstoragetemperature55+150°CTambambienttemperature20+85°CpinsLRCKx,SCKx,SDIx,SDA,SCL,ADSEL1,ADSEL2,TEST1,andTEST30.
3+3.
6VpinTEST20.
3VDDP+0.
3VpinsOUTAandOUTB0.
6VDDP+0.
6VVxvoltageonpinxpinSTABA0.
3+1.
95Vaccordingtohumanbodymodel(HBM)2+2kVVESDelectrostaticdischargevoltageaccordingtochargedevicemodel(CDM)500+500V12ThermalcharacteristicsTable36.
ThermalcharacteristicsSymbolParameterConditionsTypUnitinfreeairwithnaturalconvectionJEDECtestboard[1]49K/WRth(j-a)thermalresistancefromjunctiontoambient2-layerapplicationboard67K/WΨj-leadthermalcharacterizationparameterfromjunctiontolead23K/WΨj-topthermalcharacterizationparameterfromjunctiontotopofpackage[2]6K/WRth(j-c)thermalresistancefromjunctiontocaseinfreeairwithnaturalconvection5K/W[1]MeasuredonaJEDEChighK-factortestboard(standardEIA/JESD51-7).
[2]Valuedependsonwheremeasurementistakenonpackage.
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ProductdatasheetRev.
1—19August201942/6313Characteristics13.
1DCcharacteristicsTable37.
DCcharacteristicsAllparametersareguaranteedforVDDD=1.
8V;VDDP=3.
7V;RL=8Ω;LL=44μH;fi=1kHz;fs=48kHz;clipcontroloff;Tamb=25°Cunlessotherwisespecified.
SymbolParameterConditionsMinTypMaxUnitVDDPpowersupplyvoltageonpinVDDP2.
5-5.
5VVDDDdigitalsupplyvoltageonpinVDDD1.
651.
81.
95VonpinVDDP;amplifiermodewithload;softmuteon-5.
7-mAIPsupplycurrentonpinVDDP;power-downmode--20μAonpinVDDD;amplifiermode-1.
2-mAIDDDdigitalsupplycurrentonpinVDDD;power-downmode[1]-515μASeriesresistanceoutputpowerswitcheslowerswitch(NMOS)-190-mΩRDSondrain-sourceon-stateresistanceupperswitch(PMOS)-260-mΩAmplifieroutputpins;OUTAandOUTBVO(offset)outputoffsetvoltage150+15mVRegulator;pinSTABAVO(reg)regulatoroutputvoltageSTABAtoGNDP1.
65-1.
95VLRCK1,SCK1,SDI1,LRCK2,SCK2,SDI2,SDA,SCL,ADSEL1,andADSEL2VIHHIGH-levelinputvoltage0.
7VDDD--VVILLOW-levelinputvoltage--0.
3VDDDVCiinputcapacitance--3pFVOLLOW-leveloutputvoltageatIOL=2.
6mA--400mVProtectionTact(th_prot)thermalprotectionactivationtemperature130--°CIO(ocp)overcurrentprotectionoutputcurrent1.
3-2.
3AfOFPoverfrequencyprotectionfrequencyatPWMoutputfrequency-7101031kHzfUFPunderfrequencyprotectionfrequencyatPWMoutputfrequency96175-kHz[1]AfterswitchingfromOff/AmplifiermodetoPower-downmode.
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2ACcharacteristicsTable38.
ACcharacteristicsAllparametersareguaranteedforVDDD=1.
8V;VDDP=3.
7V;RL=8Ω;LL=44μH;fi=1kHz;fs=48kHz;clipcontroloff;Tamb=25°Cunlessotherwisespecified.
SymbolParameterConditionsMinTypMaxUnitClassDamplifierRL=8ΩTHD+N=1%0.
650.
7-WTHD+N=10%-0.
85-WRL=4ΩTHD+N=1%-1.
2-WTHD+N=10%-1.
5-WRL=8Ω;VDDP=4.
2VTHD+N=1%-0.
9-WTHD+N=10%-1.
1-WRL=4Ω;VDDP=4.
2VTHD+N=1%-1.
6-WTHD+N=10%-1.
95-WRL=8Ω;VDDP=5.
0VTHD+N=1%-1.
35-WTHD+N=10%-1.
6-WRL=4Ω;VDDP=5.
0VTHD+N=1%-2.
35-WPo(RMS)RMSoutputpowerTHD+N=10%-2.
75-WηpooutputpowerefficiencyPo(RMS)=850mW-92-%THD+Ntotalharmonicdistortion-plus-noisePo(RMS)=100mW-0.
020.
1%Vn(o)outputnoisevoltagesoftmute;a-weighted-60-μVS/Nsignal-to-noiseratioVPVDD=5V;Po(RMS)=1.
3W;a-weighted-94-dBPSRRpowersupplyrejectionratioVripple=200mV;fripple=217Hz6580-dBVo(RMS)RMSoutputvoltageAt9dBFS(RMS)digitalinput;volumecontrol=0dB;bassandtreblecontrol=0dB;equalizerbypassedandDRCbypassed1.
92.
12.
3VPower-up,power-down,andpropagationtimestd(on)turn-ondelaytimeoffmodetooperatingmode;softdemuteexcluded--5.
6mstd(mute_off)muteoffdelaytime--2.
67mstd(soft_mute)softmutedelaytime--2.
67msNXPSemiconductorsTFA8200MonoBTLclass-DaudioamplifierwithdigitalinputsforIOTapplicationsTFA8200Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
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ProductdatasheetRev.
1—19August201944/63SymbolParameterConditionsMinTypMaxUnittPDpropagationdelaybassandtreblecontrol=0dB;equalizerbypassedandDRCbypassed.
-600-μs13.
3I2CtimingcharacteristicsTable39.
I2C-businterfacecharacteristics(seeFigure14)AllparametersareguaranteedforVDDP=3.
7V;RL=8Ω;LL=44μH;fi=1kHz;fs=48kHz;clipcontroloff;Tamb=25°Cunlessotherwisespecified.
SymbolParameterConditionsMinTypMaxUnitfSCLSCLclockfrequency--400kHztLOWLOWperiodoftheSCLclock1.
3--μstHIGHHIGHperiodoftheSCLclock0.
6--μstrrisetimeSDAandSCLsignals[1]20+0.
1Cb--nstffalltimeSDAandSCLsignals[1]20+0.
1Cb--nstHD;STAholdtime(repeated)STARTcondition[2]0.
6--μstSU;STAset-uptimeforarepeatedSTARTcondition0.
6--μstSU;STOset-uptimeforSTOPcondition0.
6--μstBUFbusfreetimebetweenaSTOPandSTARTcondition1.
3--μstSU;DATdataset-uptime100--nstHD;DATdataholdtime0--μstSPpulsewidthofspikesthatmustbesuppressedbytheinputfilter0-50nsCbcapacitiveloadforeachbusline--400pF[1]CbisthetotalcapacitanceofonebuslineinpF.
Themaximumcapacitiveloadforeachbuslineis400pF.
[2]Afterthisperiod,thefirstclockpulseisgenerated.
tBUFtLOWtrtftHD;STAtSU;STAtHD;DATtHIGHtSU;DATtHD;STAtSU;STOtSPPSSrPSDASCL010aaa225Figure14.
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4I2StimingcharacteristicsTable40.
I2Sbusinterfacecharacteristics(seeFigure15)AllparametersareguaranteedforVDDD=1.
8V;VDDP=3.
7V;RL=8Ω;LL=44μH;fi=1kHz;clipcontroloff;Tamb=25°Cunlessotherwisespecified.
SymbolParameterConditionsMinTypMaxUnitfssamplingfrequencyonLRCK1orLRCK2pins8-96kHzfclkclockfrequencyonSCK1orSCK2pins32fs-64fsHzLRCKedgetoSCKHIGH10--nstsuset-uptimeSDIedgetoSCKHIGH10--nsSCKHIGHtoLRCKedge10--nsthholdtimeSCKHIGHtoSDIedge10--nsSCKLRCKSDIthtsu010aaa624Figure15.
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1—19August201946/6313.
5PCM/IOM2timingcharacteristicsTable41.
PCM/IOM2characteristics(seeFigure16)AllparametersareguaranteedforVDDD=1.
8V;VDDP=3.
7V;RL=8Ω;LL=44μH;fi=1kHz;clipcontroloff;Tamb=25°Cunlessotherwisespecified.
SymbolParameterConditionsMinTypMaxUnitfppulsefrequencyonLRCK1orLRCK2pins--8kHzfclkclockfrequencyonSCK1orSCK2pin16fp-192fpHzSCKHIGHtoLRCKedge10--nstsuset-uptimeSCKHIGHtoSDIedge10--nsLRCKedgetoSCKHIGH10--nsthholdtimeSDIedgetoSCKHIGH10--nstppulsedurationpulseonLRCK1pinorLRCK2pin1/fclk--sSCKLRCK,FSC(long)thtsuLRCK,FSC(short)SDItp010aaa625Figure16.
PCM/IOM2timingNXPSemiconductorsTFA8200MonoBTLclass-DaudioamplifierwithdigitalinputsforIOTapplicationsTFA8200Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
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ProductdatasheetRev.
1—19August201947/6314ApplicationinformationTheTFA8200isafilter-freeBTLclass-DamplifierthatusesafixedfrequencyPWMmodulationscheme(seethesimplifiedapplicationschematicinFigure18).
WhentheTFA8200isidle(noaudioinputsignal),thevoltageacrossthespeakeris0V,generatingnoadditionalcurrent.
EvenwhentheaudioinputsignalmodulatesthePWMoutput,theout-of-bandACripplecurrentinthevoicecoilisverysmallcomparedtotheaudiocurrent.
ThereasonistheinductivebehaviorofthevoicecoilatthePWMswitchingfrequency.
Atypicalvoicecoilinductanceisintherange30μHto80μH.
14.
1Powercapability14.
1.
1EstimatingtheRMSoutputpower(Po(RMS))TheRMSoutputpower,Po(RMS),atTHD+N=1%justbeforeclippingcanbeestimatedusingEquation12,withclip-controloff,orusingEquation13,withclip-controlon.
Clipcontroloff:(12)Clipcontrolon:(13)Where:RL=loadresistance(Ω)RS=totalseriesresistanceofapplicationRDSon=on-resistanceofpowerswitch(typically230mΩ)VDDP=powersupplyvoltage(V)Mmax=maximummodulationdepth(clipcontrolon;typically0.
9)Example(clipcontroloff):WithVDDP=5V;RDSon=0.
23Ω(atTj=25°C);RS=0.
14Ω:Po(RMS)1%=1.
35Winan8ΩloadPo(RMS)1%=2.
35Wina4ΩloadTheRMSoutputpoweratTHD+N=10%canbeestimatedusingEquation14:(14)NXPSemiconductorsTFA8200MonoBTLclass-DaudioamplifierwithdigitalinputsforIOTapplicationsTFA8200Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
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1.
2OutputcurrentlimitingOCPinternallylimitsthepeakoutputcurrentIO(max).
TheminimumOCPtriggerlevelis1.
3A.
Duringnormaloperation,theoutputcurrentmustnotexceedthisthresholdlevel,otherwisetheaudiosignalisdistorted.
ThepeakoutputcurrentinBTLconfigurationcanbecalculatedusingEquation15:(15)Where:VDDP=powersupplyvoltage(V)RL=loadresistance(Ω)RDSon=drain-sourceon-stateresistance(Ω)Example:A4Ωspeakercanbeusedwitha5VsupplywithouttriggeringOCP.
14.
2PWMoutputfilteringTheTFA8200PWMpowerstageisoptimizedtomeetthelegallimits(FCC)forradiatedemissionswithoutrequiringanexternalfilter(speakercable80Ωat100MHz)andasmallceramiccapacitorofabout1nF(seeFigure17).
1nF1nFspeakercables>5cmOUTAOUTBTFA8200CLASS-DAMPLIFIERferritebeadaaa-032686Figure17.
Optionallow-passLCfilter14.
3SupplydecouplingandfilteringTominimizethesizeofthehigh-frequencycurrentloopandthereforeoptimizeEMCperformance,aceramicdecouplingcapacitorofbetween1μFand10μFmustbeplacedclosetotheTFA8200.
Optionally,toreducetheimpedancefurther,asmall1nFceramiccapacitorcanbeconnectedinparallel.
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4PCBlayoutconsiderationsWhendesigningthePCBlayoutforaClass-Damplifiercircuit,greatcaremustbetaken.
Thelayoutcanaffecttheaudioperformance,theEMCperformance,and/orthethermalperformance.
ItcanevenaffectthefunctionalityoftheTFA8200.
14.
4.
1EMCconsiderationsThedecouplingcapacitorsonpinsVDDD,VDDP,andSTABAmustbeplacedclosetotheTFA8200andmustbereferencedtoasolidgroundplane.
TheexposedDAPmustalsobeconnectedtothisgroundplane.
14.
4.
2ThermalconsiderationsTheTFA8200isavailableinathermallyenhancedHVQFN24(SOT616-3)packageforreflowsoldering.
TheHVQFN24hasanexposedDAPthatsignificantlyreducesthethermalresistance,Rth(j-a).
Toachievealoweroverallthermalresistance,theexposedDAPmustbesolderedtoathermalcopperplane.
Increasingtheareaofthethermalplane,thenumberofplanes,orthecopperthicknesscanreducethethermalresistancefurther.
Thetypicalthermalresistance(freeairandnaturalconvection)ofapracticalPCBimplementationis:Rth(j-a)=67°K/Wforatwo-layerapplicationboard(18mm*22mm,35μmcopper,FR4basematerial).
Equation16describestherelationshipbetweenthemaximumallowablepowerdissipation(P)andthethermalresistancefromjunctiontoambient.
(16)Where:Rth(j-a)=thermalresistancefromjunctiontoambientTj(max)=maximumjunctiontemperature(125°C)Tamb=ambienttemperatureP=powerdissipatedintheTFA8200Toavoidthermaldamage,OTPlimitsthemaximumjunctiontemperatureto130°C.
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5Typicalapplicationdiagram(simplified)TFA8200CSTABA100nFVDDPLRCK1VDDPSCK1SDI1OUTALRCK2SCK2OUTBSDI2ADSEL1SCLSDASTABAaaa-0325432221201918171621VDDD231391078GNDPGNDP1211GNDD24BASEBANDPROCESSORI2SoutputMULTIMEDIAPROCESSORI2Soutputaddressselect1SCLSDA1.
8VCVDDD100nFTEST215DAPbatteryCVDDP10Fspeaker4Ωor8ΩTEST13TEST35n.
c.
6,14ADSEL24addressselect2Figure18.
Typicalapplication(simplified)NXPSemiconductorsTFA8200MonoBTLclass-DaudioamplifierwithdigitalinputsforIOTapplicationsTFA8200Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
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6Curvesmeasuredinreferencedesign(demonstrationboard)AllmeasurementsweretakenwithVDDD=1.
8V;fs=48kHz,clipcontrolon;thehigh-passfilteroff;unlessotherwisespecified.
(2)(1)(3)010aaa675Po(W)10-210110-110-110-2101102THD+N(%)10-3(1)fi=6kHz(2)fi=1kHz(3)fi=100Hza.
VDDP=3.
7V;RL=8Ω(2)010aaa676Po(W)10-210110-110-110-2101102THD+N(%)10-3(3)(1)(1)fi=6kHz(2)fi=1kHz(3)fi=100Hzb.
VDDP=5V;RL=8Ω010aaa677Po(W)10-210110-110-110-2101102THD+N(%)10-3(1)(3)(2)(1)fi=6kHz(2)fi=1kHz(3)fi=100Hzc.
VDDP=3.
7V;RL=4Ω(1)(3)010aaa678Po(W)10-210110-110-110-2101102THD+N(%)10-3(2)(1)fi=6kHz(2)fi=1kHz(3)fi=100Hzd.
VDDP=5V;RL=4ΩFigure19.
Totalharmonicdistortion-plus-noiseasafunctionofoutputpowerNXPSemiconductorsTFA8200MonoBTLclass-DaudioamplifierwithdigitalinputsforIOTapplicationsTFA8200Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
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ProductdatasheetRev.
1—19August201952/63010aaa67910-110-2101102THD+N(%)10-3f(Hz)10105104102103(1)(2)(1)Po=100mW(2)Po=500mWa.
VDDP=3.
7V;RL=8Ω010aaa68010-110-2101102THD+N(%)10-3f(Hz)10105104102103(1)(2)1.
Po=100mW2.
Po=500mWb.
VDDP=5V;RL=8Ω010aaa68110-110-2101102THD+N(%)10-3f(Hz)10105104102103(1)(2)(1)Po=100mW(2)Po=500mWc.
VDDP=3.
7V;RL=4Ω010aaa68210-110-2101102THD+N(%)10-3f(Hz)10105104102103(1)(2)(1)Po=100mW(2)Po=1Wd.
VDDP=5V;RL=4ΩFigure20.
Totalharmonicdistortion-plus-noiseasafunctionoffrequencyNXPSemiconductorsTFA8200MonoBTLclass-DaudioamplifierwithdigitalinputsforIOTapplicationsTFA8200Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
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1—19August201953/63(1)(3)(4)(2)010aaa68310-110-2101102THD+N(%)10-3f(Hz)10105104102103(1)Vripple=0V(fripple=0Hz)(2)fripple=217Hz(3)fripple=1kHz(4)fripple=6kHza.
VDDP=3.
7V;RL=8Ω;Po=100mW;Vripple=200mV(RMS)(2)(1)(3)(4)010aaa68410-110-2101102THD+N(%)10-3f(Hz)10105104102103(1)Vripple=0V(fripple=0Hz)(2)fripple=217Hz(3)fripple=1kHz(4)fripple=6kHzb.
VDDP=5V;RL=8Ω;Po=100mW;Vripple=200mV(RMS)Figure21.
Totalharmonicdistortion-plus-noiseandpowersupplyintermodulationdistortionasafunctionoffrequency010aaa685-20-10-30010GdB-40f(Hz)10105104102103(1)(2)(3)VDDP=3.
7V;RL=8Ω;Po=500mW(1)High-passfilteroff(2)High-passfiltercut-offfrequency:100Hz(3)High-passfiltercut-offfrequency:500HzFigure22.
Normalizedgainasafunctionoffrequency010aaa686-60-40-80-200PSRR(dB)-100fripple(Hz)10105104102103(1)(2)VDDP=5V;RL=8Ω;Vripple=200mV(RMS)(1)VDDP=3.
7V(2)VDDP=5VFigure23.
PowersupplyrejectionrationasafunctionofripplefrequencyNXPSemiconductorsTFA8200MonoBTLclass-DaudioamplifierwithdigitalinputsforIOTapplicationsTFA8200Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
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ProductdatasheetRev.
1—19August201954/63Po(W)10-210110-1010aaa687608040100120S/N(dB)20(1)(2)VDDP=5V;RL=8Ω;referencesignal:3.
5V(RMS)(1)A-weighted(2)20kHzbrickwallfilterFigure24.
Signal-to-noiseratioasafunctionofoutputpowerVDDP(V)26534010aaa6882134Po(W)0(4)(3)(2)(1)(1)THD+N=1%;RL=8Ω(2)THD+N=10%;RL=8Ω(3)THD+N=1%;RL=4Ω(4)THD+N=10%;RL=4Ωa.
fi=100Hz;clipcontrolonVDDP(V)26534010aaa6892134Po(W)0(4)(3)(2)(1)(1)THD+N=1%;RL=8Ω(2)THD+N=10%;RL=8Ω(3)THD+N=1%;RL=4Ω(4)THD+N=10%;RL=4Ωb.
fi=100Hz;clipcontroloffFigure25.
OutputpowerasafunctionofsupplyvoltageNXPSemiconductorsTFA8200MonoBTLclass-DaudioamplifierwithdigitalinputsforIOTapplicationsTFA8200Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
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ProductdatasheetRev.
1—19August201955/63010aaa6940.
100.
050.
150.
20P(W)0.
00Po(W)10-310110-210-1(2)(1)(1)VDDP=3.
7V(2)VDDP=5Va.
RL=8Ω;fi=1kHz;clipcontroloff(2)(1)010aaa6960.
20.
30.
10.
40.
5P(W)0.
0Po(W)10-310110-210-1(1)VDDP=3.
7V(2)VDDP=5Vb.
RL=4Ω;fi=1kHz;clipcontroloffFigure26.
Powerdissipationasafunctionofoutputpower(1)(2)Po(W)021.
50.
51010aaa69540602080100η(%)0(1)VDDP=3.
7V(2)VDDP=5Va.
RL=8Ω;fi=1kHz;clipcontroloff010aaa697Po(W)032140602080100η(%)0(1)(2)(1)VDDP=3.
7V(2)VDDP=5Vb.
RL=4Ω;fi=1kHz;clipcontroloffFigure27.
EfficiencyasafunctionofoutputpowerNXPSemiconductorsTFA8200MonoBTLclass-DaudioamplifierwithdigitalinputsforIOTapplicationsTFA8200Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
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ProductdatasheetRev.
1—19August201956/6315PackageoutlineReferencesOutlineversionEuropeanprojectionIssuedateIECJEDECJEITASOT616-3MO-220sot616-3_po16-02-1716-07-14Unit(1)mmmaxnommin10.
054.
12.
754.
10.
52.
5A(1)Dimensions(mmaretheoriginaldimensions)Note1.
Plasticormetalprotrusionsof0.
075mmmaximumpersidearenotincluded.
HVQFN24:plasticthermalenhancedverythinquadflatpackage;noleads;24terminals;body4x4x0.
85mmSOT616-3A1b0.
30cD(1)DhE(1)Ehee1e22.
5Lv0.
1wy0.
20.
10.
050.
05y10.
32.
450.
003.
92.
453.
90.
180.
52.
75e02.
55mmscaleAA1cdetailXyy1CLEhDhb7122419181361XDECBAterminal1indexareaterminal1indexareaACCBvw1/2e1/2ee1ee2Figure28.
PackageoutlineTFA8200(HVQFN24)NXPSemiconductorsTFA8200MonoBTLclass-DaudioamplifierwithdigitalinputsforIOTapplicationsTFA8200Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
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ProductdatasheetRev.
1—19August201957/6316SolderingofSMDpackagesThissectiongivesaverybriefinsightintoacomplextechnology.
Anin-depthaccountofsolderingICscanbefoundinthe"Surfacemountreflowsolderingdescription"applicationnote(AN10365).
16.
1IntroductiontosolderingToformelectricalcircuits,solderingisoneofthemostcommonmethodsthroughwhichpackagesareattachedtoprinted-circuitboards(PCBs).
Thesolderedjointprovidesthemechanicalconnectionandtheelectricalconnection.
NosinglesolderingmethodisidealforallICpackages.
Whenthrough-holeandsurfacemountdevices(SMDs)aremixedononeprintedwiringboard,wavesolderingisoftenpreferred.
However,itisnotsuitableforfinepitchSMDs.
Reflowsolderingisidealforthesmallpitchesandhighdensitiesthatcomewithincreasedminiaturization.
16.
2WaveandreflowsolderingWavesolderingisajoiningtechnologywithwhichthejointsaremadebysoldercomingfromastandingwaveofliquidsolder.
Thewavesolderingprocessissuitableforthefollowing:Through-holecomponentsLeadedorleadlessSMDs,whicharegluedtothesurfaceoftheprintedcircuitboardNotallSMDscanbewave-soldered.
Packageswithsolderballsandsomeleadlesspackageswhichhavesolderlandsunderneaththebodycannotbewavesoldered.
Also,leadedSMDswithleadshavingapitchsmallerthan~0.
6mmcannotbewavesolderedduetoanincreasedprobabilityofbridging.
Thereflowsolderingprocessinvolvesapplyingsolderpastetoaboardfollowedbycomponentplacementandexposuretoatemperatureprofile.
Leadedpackages,packageswithsolderballs,andleadlesspackagesareallreflowsolderable.
Keycharacteristicsinbothwavesolderingandreflowsolderingare:Boardspecifications,includingtheboardfinish,soldermasks,andviasPackagefootprints,includingsolderthievesandorientationThemoisturesensitivitylevelofthepackagesPackageplacementInspectionandrepairLead-freesolderingversusSnPbsoldering16.
3WavesolderingKeycharacteristicsinwavesolderingare:Processissues,suchasapplicationofadhesiveandflux,clinchingofleads,boardtransport,thesolderwaveparameters,andthetimeduringwhichcomponentsareexposedtothewaveSolderbathspecifications,includingtemperatureandimpuritiesNXPSemiconductorsTFA8200MonoBTLclass-DaudioamplifierwithdigitalinputsforIOTapplicationsTFA8200Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
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4ReflowsolderingKeycharacteristicsinreflowsolderingare:Lead-freeversusSnPbsolderingAlead-freereflowprocessusuallyleadstohigherminimumpeaktemperatures(seeFigure29)thanaSnPbprocess,thereforereducingtheprocesswindowSolderpasteprintingissuesincludingsmearing,release,andadjustingtheprocesswindowforamixoflargeandsmallcomponentsononeboardReflowtemperatureprofileThisprofileincludespreheat,reflow(inwhichtheboardisheatedtothepeaktemperature)andcoolingdown.
Itisimperativethatthepeaktemperatureishighenoughforthesoldertomakereliablesolderjoints(asolderpastecharacteristic).
Inaddition,thepeaktemperaturemustbelowenough,sothepackagesand/orboardsarenotdamaged.
Thepeaktemperatureofthepackagedependsonpackagethicknessandvolume.
ItisclassifiedinaccordancewithTable42andTable43.
Table42.
SnPbeutecticprocess(fromJ-STD-020D)Packagereflowtemperature(°C)Volume(mm3)Packagethickness(mm)20002.
5250245245Moisturesensitivityprecautions,asindicatedonthepacking,mustalwaysberespected.
Studieshaveshownthatsmallpackagesreachhighertemperaturesduringreflowsoldering(seeFigure29).
NXPSemiconductorsTFA8200MonoBTLclass-DaudioamplifierwithdigitalinputsforIOTapplicationsTFA8200Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
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1—19August201959/63001aac844temperaturetimeminimumpeaktemperature=minimumsolderingtemperaturemaximumpeaktemperature=MSLlimit,damagelevelpeaktemperatureMSL:MoisturesensitivitylevelFigure29.
TemperatureprofilesforlargeandsmallcomponentsForfurtherinformationontemperatureprofiles,refertothe"Surfacemountreflowsolderingdescription"applicationnote(AN10365).
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ProductdatasheetRev.
1—19August201960/6317RevisionhistoryTable44.
RevisionhistoryDocumentIDReleasedateDatasheetstatusChangenoticeSupersedesTFA8200v.
120190819Productdatasheet--NXPSemiconductorsTFA8200MonoBTLclass-DaudioamplifierwithdigitalinputsforIOTapplicationsTFA8200Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
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ProductdatasheetRev.
1—19August201961/6318Legalinformation18.
1DatasheetstatusDocumentstatus[1][2]Productstatus[3]DefinitionObjective[short]datasheetDevelopmentThisdocumentcontainsdatafromtheobjectivespecificationforproductdevelopment.
Preliminary[short]datasheetQualificationThisdocumentcontainsdatafromthepreliminaryspecification.
Product[short]datasheetProductionThisdocumentcontainstheproductspecification.
[1]Pleaseconsultthemostrecentlyissueddocumentbeforeinitiatingorcompletingadesign.
[2]Theterm'shortdatasheet'isexplainedinsection"Definitions".
[3]Theproductstatusofdevice(s)describedinthisdocumentmayhavechangedsincethisdocumentwaspublishedandmaydifferincaseofmultipledevices.
ThelatestproductstatusinformationisavailableontheInternetatURLhttp://www.
nxp.
com.
18.
2DefinitionsDraft—Thedocumentisadraftversiononly.
Thecontentisstillunderinternalreviewandsubjecttoformalapproval,whichmayresultinmodificationsoradditions.
NXPSemiconductorsdoesnotgiveanyrepresentationsorwarrantiesastotheaccuracyorcompletenessofinformationincludedhereinandshallhavenoliabilityfortheconsequencesofuseofsuchinformation.
Shortdatasheet—Ashortdatasheetisanextractfromafulldatasheetwiththesameproducttypenumber(s)andtitle.
Ashortdatasheetisintendedforquickreferenceonlyandshouldnotbereliedupontocontaindetailedandfullinformation.
Fordetailedandfullinformationseetherelevantfulldatasheet,whichisavailableonrequestviathelocalNXPSemiconductorssalesoffice.
Incaseofanyinconsistencyorconflictwiththeshortdatasheet,thefulldatasheetshallprevail.
Productspecification—TheinformationanddataprovidedinaProductdatasheetshalldefinethespecificationoftheproductasagreedbetweenNXPSemiconductorsanditscustomer,unlessNXPSemiconductorsandcustomerhaveexplicitlyagreedotherwiseinwriting.
Innoeventhowever,shallanagreementbevalidinwhichtheNXPSemiconductorsproductisdeemedtoofferfunctionsandqualitiesbeyondthosedescribedintheProductdatasheet.
18.
3DisclaimersLimitedwarrantyandliability—Informationinthisdocumentisbelievedtobeaccurateandreliable.
However,NXPSemiconductorsdoesnotgiveanyrepresentationsorwarranties,expressedorimplied,astotheaccuracyorcompletenessofsuchinformationandshallhavenoliabilityfortheconsequencesofuseofsuchinformation.
NXPSemiconductorstakesnoresponsibilityforthecontentinthisdocumentifprovidedbyaninformationsourceoutsideofNXPSemiconductors.
InnoeventshallNXPSemiconductorsbeliableforanyindirect,incidental,punitive,specialorconsequentialdamages(including-withoutlimitation-lostprofits,lostsavings,businessinterruption,costsrelatedtotheremovalorreplacementofanyproductsorreworkcharges)whetherornotsuchdamagesarebasedontort(includingnegligence),warranty,breachofcontractoranyotherlegaltheory.
Notwithstandinganydamagesthatcustomermightincurforanyreasonwhatsoever,NXPSemiconductors'aggregateandcumulativeliabilitytowardscustomerfortheproductsdescribedhereinshallbelimitedinaccordancewiththeTermsandconditionsofcommercialsaleofNXPSemiconductors.
Righttomakechanges—NXPSemiconductorsreservestherighttomakechangestoinformationpublishedinthisdocument,includingwithoutlimitationspecificationsandproductdescriptions,atanytimeandwithoutnotice.
Thisdocumentsupersedesandreplacesallinformationsuppliedpriortothepublicationhereof.
Suitabilityforuse—NXPSemiconductorsproductsarenotdesigned,authorizedorwarrantedtobesuitableforuseinlifesupport,life-criticalorsafety-criticalsystemsorequipment,norinapplicationswherefailureormalfunctionofanNXPSemiconductorsproductcanreasonablybeexpectedtoresultinpersonalinjury,deathorseverepropertyorenvironmentaldamage.
NXPSemiconductorsanditssuppliersacceptnoliabilityforinclusionand/oruseofNXPSemiconductorsproductsinsuchequipmentorapplicationsandthereforesuchinclusionand/oruseisatthecustomer'sownrisk.
Applications—Applicationsthataredescribedhereinforanyoftheseproductsareforillustrativepurposesonly.
NXPSemiconductorsmakesnorepresentationorwarrantythatsuchapplicationswillbesuitableforthespecifiedusewithoutfurthertestingormodification.
CustomersareresponsibleforthedesignandoperationoftheirapplicationsandproductsusingNXPSemiconductorsproducts,andNXPSemiconductorsacceptsnoliabilityforanyassistancewithapplicationsorcustomerproductdesign.
Itiscustomer'ssoleresponsibilitytodeterminewhethertheNXPSemiconductorsproductissuitableandfitforthecustomer'sapplicationsandproductsplanned,aswellasfortheplannedapplicationanduseofcustomer'sthirdpartycustomer(s).
Customersshouldprovideappropriatedesignandoperatingsafeguardstominimizetherisksassociatedwiththeirapplicationsandproducts.
NXPSemiconductorsdoesnotacceptanyliabilityrelatedtoanydefault,damage,costsorproblemwhichisbasedonanyweaknessordefaultinthecustomer'sapplicationsorproducts,ortheapplicationorusebycustomer'sthirdpartycustomer(s).
Customerisresponsiblefordoingallnecessarytestingforthecustomer'sapplicationsandproductsusingNXPSemiconductorsproductsinordertoavoidadefaultoftheapplicationsandtheproductsoroftheapplicationorusebycustomer'sthirdpartycustomer(s).
NXPdoesnotacceptanyliabilityinthisrespect.
Limitingvalues—Stressaboveoneormorelimitingvalues(asdefinedintheAbsoluteMaximumRatingsSystemofIEC60134)willcausepermanentdamagetothedevice.
Limitingvaluesarestressratingsonlyand(proper)operationofthedeviceattheseoranyotherconditionsabovethosegivenintheRecommendedoperatingconditionssection(ifpresent)ortheCharacteristicssectionsofthisdocumentisnotwarranted.
Constantorrepeatedexposuretolimitingvalueswillpermanentlyandirreversiblyaffectthequalityandreliabilityofthedevice.
Termsandconditionsofcommercialsale—NXPSemiconductorsproductsaresoldsubjecttothegeneraltermsandconditionsofcommercialsale,aspublishedathttp://www.
nxp.
com/profile/terms,unlessotherwiseagreedinavalidwrittenindividualagreement.
Incaseanindividualagreementisconcludedonlythetermsandconditionsoftherespectiveagreementshallapply.
NXPSemiconductorsherebyexpresslyobjectstoapplyingthecustomer'sgeneraltermsandconditionswithregardtothepurchaseofNXPSemiconductorsproductsbycustomer.
NXPSemiconductorsTFA8200MonoBTLclass-DaudioamplifierwithdigitalinputsforIOTapplicationsTFA8200Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
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ProductdatasheetRev.
1—19August201962/63Nooffertosellorlicense—Nothinginthisdocumentmaybeinterpretedorconstruedasanoffertosellproductsthatisopenforacceptanceorthegrant,conveyanceorimplicationofanylicenseunderanycopyrights,patentsorotherindustrialorintellectualpropertyrights.
Quickreferencedata—TheQuickreferencedataisanextractoftheproductdatagivenintheLimitingvaluesandCharacteristicssectionsofthisdocument,andassuchisnotcomplete,exhaustiveorlegallybinding.
Exportcontrol—Thisdocumentaswellastheitem(s)describedhereinmaybesubjecttoexportcontrolregulations.
Exportmightrequireapriorauthorizationfromcompetentauthorities.
Non-automotivequalifiedproducts—UnlessthisdatasheetexpresslystatesthatthisspecificNXPSemiconductorsproductisautomotivequalified,theproductisnotsuitableforautomotiveuse.
Itisneitherqualifiednortestedinaccordancewithautomotivetestingorapplicationrequirements.
NXPSemiconductorsacceptsnoliabilityforinclusionand/oruseofnon-automotivequalifiedproductsinautomotiveequipmentorapplications.
Intheeventthatcustomerusestheproductfordesign-inanduseinautomotiveapplicationstoautomotivespecificationsandstandards,customer(a)shallusetheproductwithoutNXPSemiconductors'warrantyoftheproductforsuchautomotiveapplications,useandspecifications,and(b)whenevercustomerusestheproductforautomotiveapplicationsbeyondNXPSemiconductors'specificationssuchuseshallbesolelyatcustomer'sownrisk,and(c)customerfullyindemnifiesNXPSemiconductorsforanyliability,damagesorfailedproductclaimsresultingfromcustomerdesignanduseoftheproductforautomotiveapplicationsbeyondNXPSemiconductors'standardwarrantyandNXPSemiconductors'productspecifications.
Security—WhileNXPSemiconductorshasimplementedadvancedsecurityfeatures,allproductsmaybesubjecttounidentifiedvulnerabilities.
Customersareresponsibleforthedesignandoperationoftheirapplicationsandproductstoreducetheeffectofthesevulnerabilitiesoncustomer'sapplicationsandproducts,andNXPSemiconductorsacceptsnoliabilityforanyvulnerabilitythatisdiscovered.
Customersshouldimplementappropriatedesignandoperatingsafeguardstominimizetherisksassociatedwiththeirapplicationsandproducts.
18.
4TrademarksNotice:Allreferencedbrands,productnames,servicenamesandtrademarksarethepropertyoftheirrespectiveowners.
I2C-bus—logoisatrademarkofNXPB.
V.
NXPSemiconductorsTFA8200MonoBTLclass-DaudioamplifierwithdigitalinputsforIOTapplicationsPleasebeawarethatimportantnoticesconcerningthisdocumentandtheproduct(s)describedherein,havebeenincludedinsection'Legalinformation'.
NXPB.
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Allrightsreserved.
Formoreinformation,pleasevisit:http://www.
nxp.
comForsalesofficeaddresses,pleasesendanemailto:salesaddresses@nxp.
comDateofrelease:19August2019Documentidentifier:TFA8200Contents1Generaldescription12Featuresandbenefits12.
1Generalfeatures12.
2Programmabledigitalsoundprocessor(DSP)22.
3Interfaceformatsupportfordigitalaudioinputs23Applications24Quickreferencedata35Orderinginformation46Blockdiagram47Pinninginformation57.
1Pinning57.
2Pindescription58Functionaldescription78.
1Operatingmodes88.
1.
1Power-up/power-down88.
1.
2Supporteddigitalaudiodataformats98.
2Digitalsignalprocessor(DSP)features118.
2.
1Serialinterfaceselection118.
2.
2Monoselection128.
2.
3Programmablehigh-passfilter128.
2.
4De-emphasis128.
2.
5Equalizer138.
2.
5.
1Equalizerbandfunction138.
2.
5.
2Equalizerbandcontrol158.
2.
6Bassandtreblecontrol178.
2.
7Muting188.
2.
8Digitalvolumecontrol198.
2.
9Zero-crossingvolumecontrol198.
2.
10Dynamicrangecompressor(DRC)198.
2.
10.
1Functionaldescription208.
2.
10.
2DRCcontrol208.
2.
11Powerlimiter238.
3Class-Damplificationandclipcontrol248.
4Protections248.
4.
1Overtemperatureprotection(OTP)248.
4.
2Overcurrentprotection(OCP)258.
4.
3Underfrequencyprotection(UFP)258.
4.
4Overfrequencyprotection(OFP)258.
4.
5Invalidbit-clockprotection(IBP)258.
4.
6Overviewofprotectioncircuits269I2C-businterfaceandregistersettings279.
1I2C-businterface279.
2I2C-buswritecycle279.
3I2C-busreadcycle289.
4Top-levelregistermap299.
4.
1Devicecontrol309.
4.
2Serialinterfacecontrol319.
4.
3Equalizerconfiguration339.
4.
4Bypasscontrol349.
4.
5Dynamicrangecompressor359.
4.
6Bassandtreblecontrol359.
4.
7High-passfilter369.
4.
8Volumecontrol369.
4.
9De-emphasis,soft/hardmute,andpowerlimiter369.
4.
10Miscellaneousstatus3710Internalcircuitry3911Limitingvalues4112Thermalcharacteristics4113Characteristics4213.
1DCcharacteristics4213.
2ACcharacteristics4313.
3I2Ctimingcharacteristics4413.
4I2Stimingcharacteristics4513.
5PCM/IOM2timingcharacteristics4614Applicationinformation4714.
1Powercapability4714.
1.
1EstimatingtheRMSoutputpower(Po(RMS)4714.
1.
2Outputcurrentlimiting4814.
2PWMoutputfiltering4814.
3Supplydecouplingandfiltering4814.
4PCBlayoutconsiderations4914.
4.
1EMCconsiderations4914.
4.
2Thermalconsiderations4914.
5Typicalapplicationdiagram(simplified)5014.
6Curvesmeasuredinreferencedesign(demonstrationboard)5115Packageoutline5616SolderingofSMDpackages5716.
1Introductiontosoldering5716.
2Waveandreflowsoldering5716.
3Wavesoldering5716.
4Reflowsoldering5817Revisionhistory6018Legalinformation61MouserElectronicsAuthorizedDistributorClicktoViewPricing,Inventory,Delivery&LifecycleInformation:NXP:TFA8200HN/N1J