VPPkt250

FEATURESDESCRIPTIONAPPLICATIONSDAC8801SLAS403B–NOVEMBER2004–REVISEDFEBRUARY200714-Bit,SerialInputMultiplyingDigital-to-AnalogConverter14-BitMonotonicTheDAC8801multiplyingdigital-to-analogconverterisdesignedtooperatefromasingle2.
7-Vto5.
5-V±1LSBINLsupply.
±0.
5LSBDNLTheappliedexternalreferenceinputvoltageVREFLowNoise:12nV/√Hzdeterminesthefull-scaleoutputcurrent.
AninternalLowPower:IDD=2Afeedbackresistor(RFB)providestemperature+2.
7Vto+5.
5VAnalogPowerSupplytrackingforthefull-scaleoutputwhencombinedwithanexternalI-to-Vprecisionamplifier.
2mAFull-ScaleCurrent±20%withVREF=10VAserial-datainterfaceoffershigh-speed,three-wire0.
5sSettlingTimemicrocontrollercompatibleinputsusingdata-in(SDI),clock(CLK),andchipselect(CS).
4-QuadrantMultiplyingReference-InputReferenceBandwidth:10MHzOnpower-up,theDACregisterisfilledwithzeroes,andtheDACoutputisatzeroscale.
±10VReferenceInputTheDAC8801ispackagedinspace-saving8-leadReferenceDynamics:-105THDSONandMSOPpackages.
3-Wire50-MHzSerialInterfaceTiny8-Lead3x3mmSONand3x5mmMSOPPackagesIndustry-StandardPinConfigurationAutomaticTestEquipmentInstrumentationDigitallyControlledCalibrationIndustrialControlPLCsPleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsofTexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
PRODUCTIONDATAinformationiscurrentasofpublicationdate.
Copyright2004–2007,TexasInstrumentsIncorporatedProductsconformtospecificationsperthetermsoftheTexasInstrumentsstandardwarranty.
Productionprocessingdoesnotnecessarilyincludetestingofallparameters.
ABSOLUTEMAXIMUMRATINGS(1)DAC8801SLAS403B–NOVEMBER2004–REVISEDFEBRUARY2007ThisintegratedcircuitcanbedamagedbyESD.
TexasInstrumentsrecommendsthatallintegratedcircuitsbehandledwithappropriateprecautions.
Failuretoobserveproperhandlingandinstallationprocedurescancausedamage.
ESDdamagecanrangefromsubtleperformancedegradationtocompletedevicefailure.
Precisionintegratedcircuitsmaybemoresusceptibletodamagebecauseverysmallparametricchangescouldcausethedevicenottomeetitspublishedspecifications.
PACKAGE/ORDERINGINFORMATION(1)MINIMUMRELATIVEDIFFERENTIALSPECIFIEDTRANSPORTACCURACYNONLINEARITYPACKAGE-PACKAGETEMPERATUREPACKAGEORDERINGMEDIA,PRODUCT(LSB)(LSB)LEADDESIGNATORRANGEMARKINGNUMBERQUANTITYTapeandReel,DAC8801±1±0.
5MSOP-8DGK-40°Cto85°CF01DAC8801IDGKT250TapeandReel,DAC8801±1±0.
5MSOP-8DGK-40°Cto85°CF01DAC8801IDGKR2500TapeandReel,DAC8801±1±0.
5SON-8DRB-40°Cto85°CE01DAC8801IDRBT250TapeandReel,DAC8801±1±0.
5SON-8DRB-40°Cto85°CE01DAC8801IDRBR2500(1)Forthemostcurrentpackageandorderinginformation,seethePackageOptionAddendumattheendofthisdatasheet,orrefertoourwebsiteatwww.
ti.
com.
overoperatingfree-airtemperaturerange(unlessotherwisenoted)DAC8801UNITSVDDtoGND–0.
3to7VDigitalInputvoltagetoGND–0.
3to+VDD+0.
3VVOUTtoGND–0.
3to+VDD+0.
3VOperatingtemperaturerange–40to105°CVREF,RFBtoGND–25to25VStoragetemperaturerange–65to150°CJunctiontemperaturerange(TJmax)125°CPowerdissipation(TJmax–TA)/RΘJAWThermalimpedance,RΘJA55°C/WLeadtemperature,solderingVaporphase(60s)215°CLeadtemperature,solderingInfrared(15s)220°CESDrating,HBM4000VESDrating,CDM1000V(1)StressesabovethoselistedunderAbsoluteMaximumRatingsmaycausepermanentdamagetothedevice.
Exposuretoabsolutemaximumconditionsforextendedperiodsmayaffectdevicereliability.
2SubmitDocumentationFeedbackELECTRICALCHARACTERISTICSDAC8801SLAS403B–NOVEMBER2004–REVISEDFEBRUARY2007VDD=2.
7Vto5.
5V;IOUT=VirtualGND,GND=0V;VREF=10V;TA=FullOperatingTemperature;allspecifications-40°Cto85°Cunlessotherwisenoted.
DAC8801PARAMETERCONDITIONSUNITSMINTYPMAXSTATICPERFORMANCEResolution14BitsRelativeaccuracy±1LSBDifferentialnonlinearity±0.
5LSBOutputleakagecurrentData=0000h,TA=25°C10nAOutputleakagecurrentData=0000h,TA=TMAX10nAFull-scalegainerrorAllonesloadedtoDACregister±1±4mVppmofFull-scaletempco±3FSR/°COUTPUTCHARACTERISTICS(1)Outputcurrent2mAOutputcapacitanceCodedependent50pFREFERENCEINPUT(1)VREFRange–1515VInputresistance5kInputcapacitance5pFLOGICINPUTSANDOUTPUT(1)VDD=2.
7V0.
6VVILInputlowvoltageVDD=5V0.
8VVDD=2.
7V2.
1VVIHInputhighvoltageVDD=5V2.
4VIILInputleakagecurrent10ACILInputcapacitance10pFINTERFACETIMINGfCLKClockinputfrequency50MHzt(CH)Clockpulsewidthhigh10nst(CL)Clockpulsewidthlow10nst(CSS)CStoClocksetuptime0nst(CSH)ClocktoCSholdtime10nst(DS)Datasetuptime5nst(DH)Dataholdtime10nsPOWERREQUIREMENTSVDD2.
75.
5VIDD(normaloperation)Logicinputs=0V5AVDD=4.
5Vto5.
5VVIH=VDDandVIL=GND35AVDD=2.
7Vto3.
6VVIH=VDDandVIL=GND12.
5AACCHARACTERISTICS(1)(2)To±0.
1%offull-scale,Data=0000hto3FFFhto0000h0.
3tsOutputvoltagesettlingtimesTo±0.
006%offull-scale,Data=0000hto3FFFhto0000h0.
5ReferencemultiplyingBWVREF=5VPP,Data=3FFFh10MHzDACglitchimpulseVREF=0V,Data=3FFFhto2000h2nV/sFeedthrougherrorVREF=100mVRMS,100kHz,Data=0000h–70dBDigitalfeedthroughCS=1andfCLK=1MHz2nV/s(1)Specifiedbydesignandcharacterization,notproductiontested.
(2)Allaccharacteristictestsareperformedinaclosed-loopsystemusingtheTHS4011I-to-Vconverteramplifier.
3SubmitDocumentationFeedbackPINASSIGNMENTSDAC8801SLAS403B–NOVEMBER2004–REVISEDFEBRUARY2007ELECTRICALCHARACTERISTICS(continued)VDD=2.
7Vto5.
5V;IOUT=VirtualGND,GND=0V;VREF=10V;TA=FullOperatingTemperature;allspecifications-40°Cto85°Cunlessotherwisenoted.
DAC8801PARAMETERCONDITIONSUNITSMINTYPMAXTotalharmonicdistortionVREF=5VPP,Data=3FFFh,f=1kHz–105dBOutputspotnoisevoltagef=1kHz,BW=1Hz12nV/√HzTERMINALFUNCTIONSPINNAMEDESCRIPTION1CLKClockinput,positiveedgetriggeredclocksdataintoshiftregister2SDISerialregisterinput,dataloadsdirectlyintotheshiftregisterMSBfirst.
Extraleadingbitsareignored.
3RFBInternalmatchingfeedbackresistor.
Connecttoexternalopampoutput.
4VREFDACreferenceinputpin.
EstablishesDACfull-scalevoltage.
Constantinputresistanceversuscode.
5IOUTDACcurrentoutput.
ConnectstoinvertingterminalofexternalprecisionItoVopamp.
6GNDAnaloganddigitalground7VDDPosiitvepowersupplyinput.
Specifiedrangeofoperation2.
7Vto5.
5V.
Chipselect,activelowdigitalinput.
TransfersshiftregisterdatatoDACregisteronrisingedge.
SeeTable1for8CSoperation.
4SubmitDocumentationFeedbackTYPICALCHARACTERISTICS:VDD=5VDAC8801SLAS403B–NOVEMBER2004–REVISEDFEBRUARY2007AtTA=25°C,+VDD=5V,unlessotherwisenoted.
LINEARITYERRORDIFFERENTIALLINEARITYERRORvsDIGITALINPUTCODEvsDIGITALINPUTCODEFigure1.
Figure2.
LINEARITYERRORDIFFERENTIALLINEARITYERRORvsDIGITALINPUTCODEvsDIGITALINPUTCODEFigure3.
Figure4.
LINEARITYERRORDIFFERENTIALLINEARITYERRORvsDIGITALINPUTCODEvsDIGITALINPUTCODEFigure5.
Figure6.
5SubmitDocumentationFeedbackDAC8801SLAS403B–NOVEMBER2004–REVISEDFEBRUARY2007TYPICALCHARACTERISTICS:VDD=5V(continued)AtTA=25°C,+VDD=5V,unlessotherwisenoted.
SUPPLYCURRENTvsLOGICINPUTVOLTAGEREFERENCEBANDWIDTHFigure7.
Figure8.
DACSETTLINGTIMEDACGLITCHFigure9.
Figure10.
6SubmitDocumentationFeedbackTYPICALCHARACTERISTICS:VDD=2.
7VDAC8801SLAS403B–NOVEMBER2004–REVISEDFEBRUARY2007AtTA=25°C,+VDD=2.
7V,unlessotherwisenoted.
LINEARITYERRORDIFFERENTIALLINEARITYERRORvsDIGITALINPUTCODEvsDIGITALINPUTCODEFigure11.
Figure12.
LINEARITYERRORDIFFERENTIALLINEARITYERRORvsDIGITALINPUTCODEvsDIGITALINPUTCODEFigure13.
Figure14.
LINEARITYERRORDIFFERENTIALLINEARITYERRORvsDIGITALINPUTCODEvsDIGITALINPUTCODEFigure15.
Figure16.
7SubmitDocumentationFeedbackTHEORYOFOPERATION(1)DAC8801SLAS403B–NOVEMBER2004–REVISEDFEBRUARY2007TheDAC8801isasinglechannelcurrentoutput,16-bitdigital-to-analogconverter(DAC).
Thearchitecture,illustratedinFigure17,isanR-2RladderconfigurationwiththethreeMSBssegmented.
Each2RlegoftheladderiseitherswitchedtoGNDortheIOUTterminal.
TheIOUTterminaloftheDACisheldatavirtualGNDpotentialbytheuseofanexternalI/Vconverteropamp.
TheR-2RladderisconnectedtoanexternalreferenceinputVREFthatdeterminestheDACfull-scalecurrent.
TheR-2Rladderpresentsacodeindependentloadimpedancetotheexternalreferenceof5k±25%.
Theexternalreferencevoltagecanvaryinarangeof-10Vto10V,thusprovidingbipolarIOUTcurrentoperation.
ByusinganexternalI/VconverterandtheDAC8801RFBresistor,outputvoltagerangesof-VREFtoVREFcanbegenerated.
WhenusinganexternalI/VconverterandtheDAC8801RFBresistor,theDACoutputvoltageisgivenbyEquation1:Figure17.
EquivalentR-2RDACCircuitEachDACcodedeterminesthe2RlegswitchpositiontoeitherGNDorIOUT.
BecausetheDACoutputimpedanceasseenlookingintotheIOUTterminalchangesversuscode,theexternalI/Vconverternoisegainwillalsochange.
Becauseofthis,theexternalI/VconverteropampmusthaveasufficientlylowoffsetvoltagesuchthattheamplifieroffsetisnotmodulatedbytheDACIOUTterminalimpedancechange.
ExternalopampswithlargeoffsetvoltagescanproduceINLerrorsinthetransferfunctionoftheDAC8801duetooffsetmodulationversusDACcode.
ForbestlinearityperformanceoftheDAC8801,anopamp(OPA277)asshowninFigure18isrecommended.
ThiscircuitallowsVREFtoswingfrom-10Vto+10V.
Figure18.
VoltageOutputConfiguration8SubmitDocumentationFeedbackDAC8801SLAS403B–NOVEMBER2004–REVISEDFEBRUARY2007Figure19.
DAC8801TimingDiagramTable1.
ControlLogicTruthTable(1)CLKCSSerialShiftRegisterDACRegisterXHNoeffectLatched↑+LShiftregisterdataadvancedonebitLatchedXHNoeffectLatchedX↑+ShiftregisterdatatransferredtoDACregisterNewdataloadedfromserialregister(1)↑+Positivelogictransition;X=Don'tcareTable1.
SerialInputRegisterDataFormat,DataLoadedMSBFirstB13B0Bit(MSB)B12B11B10B9B8B7B6B5B4B3B2B1(LSB)Data(1)D13D12D11D10D9D8D7D6D5D4D3D2D1D0(1)Afull16-bitdatawordcanbeloadedintotheserialregister,butonlythelast14bitsaretransferredtotheDACregisterwhenCSgoeshigh.
9SubmitDocumentationFeedbackAPPLICATIONINFORMATIONStabilityCircuitPositiveVoltageOutputCircuitDAC8801SLAS403B–NOVEMBER2004–REVISEDFEBRUARY2007Foracurrent-to-voltagedesignasshowninFigure20,theDAC8801currentoutput(IOUT)andtheconnectionwiththeinvertingnodeoftheopampshouldbeasshortaspossibleandaccordingtocorrectPCBlayoutdesign.
Foreachcodechangethereisastepfunction.
IftheGBPoftheopampislimitedandparasiticcapacitanceisexcessiveattheinvertingnodethengainpeakingispossible.
Therefore,forcircuitstability,acompensationcapacitorC1(4pFto20pFtyp)canbeaddedtothedesignasshowninFigure20.
Figure20.
GainPeakingPreventionCircuitWithCompensationCapacitorAsshowninFigure21,inordertogenerateapositivevoltageoutput,anegativereferenceisinputtotheDAC8801.
Thisdesignissuggestedinsteadofusinganinvertingamptoinverttheoutputduetotoleranceerrorsoftheresistor.
Foranegativereference,VOUTandGNDofthereferencearelevel-shiftedtoavirtualgroundanda-2.
5VinputtotheDAC8801withanopamp.
Figure21.
PositiveVoltageOutputCircuit10SubmitDocumentationFeedbackBipolarOutputCircuit(2)ProgrammableCurrentSourceCircuit(3)DAC8801SLAS403B–NOVEMBER2004–REVISEDFEBRUARY2007APPLICATIONINFORMATION(continued)TheDAC8801,asa2-quadrantmultiplyingDAC,canbeusedtogenerateaunipolaroutput.
Thepolarityofthefull-scaleoutputIOUTistheinverseoftheinputreferencevoltageatVREF.
Someapplicationsrequirefull4-quadrantmultiplyingcapabilitiesorbipolaroutputswing.
AsshowninFigure22,externalopampU4isaddedasasummingampandhasagainof2Xthatwidenstheoutputspanto5V.
A4-quadrantmultiplyingcircuitisimplementedbyusinga2.
5-VoffsetofthereferencevoltagetobiasU4.
AccordingtothecircuittransferequationgiveninEquation2,inputdata(D)fromcode0tofullscaleproducesoutputvoltagesofVOUT=-2.
5VtoVOUT=2.
5V.
Figure22.
BipolarOutputCircuitADAC8801canbeintegratedintothecircuitinFigure23toimplementanimprovedHowlandcurrentpumpforprecisevoltagetocurrentconversions.
Bidirectionalcurrentflowandhighvoltagecompliancearetwofeaturesofthecircuit.
Aapplicationofthiscircuitincludesa4-mAto20-mAcurrenttransmitterwithuptoa500-load.
Withamatchedresistornetwork,theloadcurrentofthecircuitisshowninEquation3:Figure23.
ProgrammableBidirectionalCurrentSourceCircuit11SubmitDocumentationFeedback(4)Cross-ReferenceDAC8801SLAS403B–NOVEMBER2004–REVISEDFEBRUARY2007APPLICATIONINFORMATION(continued)ThevalueofR3inthepreviousequationcanbereducedtoincreasetheoutputcurrentdriveofU3.
U3candrive±20mAinbothdirectionswithvoltagecompliancelimitedupto15VbytheU3voltagesupply.
EliminationofthecircuitcompensationcapacitorC1inthecircuitisnotsuggestedbecauseofthechangeintheoutputimpedanceZO,accordingtoEquation4:AsshowninEquation4,withmatchedresistors,ZOisinfiniteandthecircuitisoptimumforuseasacurrentsource.
However,ifunmatchedresistorsareused,ZOispositiveornegativewithnegativeoutputimpedancebeingapotentialcauseofoscillation.
Therefore,byincorporatingC1intothecircuit,possibleoscillationproblemsareeliminated.
ThevalueofC1canbedeterminedforcriticalapplications;however,formostapplicationsavalueofseveralpFissuggested.
TheDAC8801hasanindustry-standardpinout.
Table2providesthecross-referenceinformation.
Table2.
CrossReferenceSPECIFIEDINLDNLTEMPERATUREPACKAGEPACKAGECROSSPRODUCT(LSB)(LSB)RANGEDESCIPTIONOPTIONREFERENCEDAC8801IDGK±1±1-40°Cto+85°C8-LeadMicroSOICMSOP-8ADS5553CRMDAC8801IDRB±1±1-40°Cto+85°C8-LeadSmallOutlineSON-8N/ATable3.
DAC8801RevisionHistoryRevisionDateDescriptionA12/04Removedthe"ProductPreview"label.
AddedinformationtotheFeatures.
AddedOutputleakagecurrentData=0000h,TA=TMAXintheElectricalCharacteristicstable.
AddedInputhighvoltagefor2.
7Vand5VintheElectricalCharacteristicstable.
ChangedthevaluesofthePowerRequirementsandtheACcharacteristicsintheElectricalCharacteristicstable.
B10/06ChangedtheESDrating,HBMfrom1500to4000intheAbsoluteMaximumRatings.
RevisedFigure8.
12SubmitDocumentationFeedbackPACKAGEOPTIONADDENDUMwww.
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com16-Jul-2020Addendum-Page1PACKAGINGINFORMATIONOrderableDeviceStatus(1)PackageTypePackageDrawingPinsPackageQtyEcoPlan(2)Leadfinish/Ballmaterial(6)MSLPeakTemp(3)OpTemp(°C)DeviceMarking(4/5)SamplesDAC8801IDGKRACTIVEVSSOPDGK82500Green(RoHS&noSb/Br)NIPDAU|NIPDAUAGLevel-2-260C-1YEAR-40to85F01DAC8801IDGKTACTIVEVSSOPDGK8250Green(RoHS&noSb/Br)NIPDAU|NIPDAUAGLevel-2-260C-1YEAR-40to85F01DAC8801IDGKTG4ACTIVEVSSOPDGK8250Green(RoHS&noSb/Br)NIPDAULevel-2-260C-1YEAR-40to85F01DAC8801IDRBTACTIVESONDRB8250Green(RoHS&noSb/Br)NIPDAULevel-2-260C-1YEAR-40to85E01(1)Themarketingstatusvaluesaredefinedasfollows:ACTIVE:Productdevicerecommendedfornewdesigns.
LIFEBUY:TIhasannouncedthatthedevicewillbediscontinued,andalifetime-buyperiodisineffect.
NRND:Notrecommendedfornewdesigns.
Deviceisinproductiontosupportexistingcustomers,butTIdoesnotrecommendusingthispartinanewdesign.
PREVIEW:Devicehasbeenannouncedbutisnotinproduction.
Samplesmayormaynotbeavailable.
OBSOLETE:TIhasdiscontinuedtheproductionofthedevice.
(2)RoHS:TIdefines"RoHS"tomeansemiconductorproductsthatarecompliantwiththecurrentEURoHSrequirementsforall10RoHSsubstances,includingtherequirementthatRoHSsubstancedonotexceed0.
1%byweightinhomogeneousmaterials.
Wheredesignedtobesolderedathightemperatures,"RoHS"productsaresuitableforuseinspecifiedlead-freeprocesses.
TImayreferencethesetypesofproductsas"Pb-Free".
RoHSExempt:TIdefines"RoHSExempt"tomeanproductsthatcontainleadbutarecompliantwithEURoHSpursuanttoaspecificEURoHSexemption.
Green:TIdefines"Green"tomeanthecontentofChlorine(Cl)andBromine(Br)basedflameretardantsmeetJS709Blowhalogenrequirementsof<=1000ppmthreshold.
Antimonytrioxidebasedflameretardantsmustalsomeetthe<=1000ppmthresholdrequirement.
(3)MSL,PeakTemp.
-TheMoistureSensitivityLevelratingaccordingtotheJEDECindustrystandardclassifications,andpeaksoldertemperature.
(4)Theremaybeadditionalmarking,whichrelatestothelogo,thelottracecodeinformation,ortheenvironmentalcategoryonthedevice.
(5)MultipleDeviceMarkingswillbeinsideparentheses.
OnlyoneDeviceMarkingcontainedinparenthesesandseparatedbya"~"willappearonadevice.
IfalineisindentedthenitisacontinuationofthepreviouslineandthetwocombinedrepresenttheentireDeviceMarkingforthatdevice.
(6)Leadfinish/Ballmaterial-OrderableDevicesmayhavemultiplematerialfinishoptions.
Finishoptionsareseparatedbyaverticalruledline.
Leadfinish/Ballmaterialvaluesmaywraptotwolinesifthefinishvalueexceedsthemaximumcolumnwidth.
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TAPEANDREELINFORMATION*AlldimensionsarenominalDevicePackageTypePackageDrawingPinsSPQReelDiameter(mm)ReelWidthW1(mm)A0(mm)B0(mm)K0(mm)P1(mm)W(mm)Pin1QuadrantDAC8801IDGKRVSSOPDGK82500330.
012.
45.
33.
41.
48.
012.
0Q1DAC8801IDGKTVSSOPDGK8250180.
012.
45.
33.
41.
48.
012.
0Q1DAC8801IDRBTSONDRB8250180.
012.
43.
33.
31.
18.
012.
0Q2PACKAGEMATERIALSINFORMATIONwww.
ti.
com9-Oct-2020PackMaterials-Page1*AlldimensionsarenominalDevicePackageTypePackageDrawingPinsSPQLength(mm)Width(mm)Height(mm)DAC8801IDGKRVSSOPDGK82500350.
0350.
043.
0DAC8801IDGKTVSSOPDGK8250210.
0185.
035.
0DAC8801IDRBTSONDRB8250210.
0185.
035.
0PACKAGEMATERIALSINFORMATIONwww.
ti.
com9-Oct-2020PackMaterials-Page2www.
ti.
comPACKAGEOUTLINEC8X0.
370.
251.
750.
12X1.
951.
50.
16X0.
651MAX8X0.
50.
30.
050.
00(0.
65)A3.
12.
9B3.
12.
9(DIMA)TYP4X(0.
23)VSON-1mmmaxheightDRB0008APLASTICSMALLOUTLINE-NOLEAD4218875/A01/2018DIMAOPT1OPT2(0.
1)(0.
2)PIN1INDEXAREASEATINGPLANE0.
08C1458(OPTIONAL)PIN1ID0.
1CAB0.
05CTHERMALPADEXPOSEDNOTES:1.
Alllineardimensionsareinmillimeters.
Anydimensionsinparenthesisareforreferenceonly.
DimensioningandtolerancingperASMEY14.
5M.
2.
Thisdrawingissubjecttochangewithoutnotice.
3.
Thepackagethermalpadmustbesolderedtotheprintedcircuitboardforthermalandmechanicalperformance.
SCALE4.
000www.
ti.
comEXAMPLEBOARDLAYOUT0.
07MINALLAROUND0.
07MAXALLAROUND8X(0.
31)(1.
75)(2.
8)6X(0.
65)(1.
5)(0.
2)VIATYP(0.
5)(0.
625)8X(0.
6)(R0.
05)TYP(0.
825)(0.
23)(0.
65)VSON-1mmmaxheightDRB0008APLASTICSMALLOUTLINE-NOLEAD4218875/A01/2018SYMM1458LANDPATTERNEXAMPLEEXPOSEDMETALSHOWNSCALE:20XNOTES:(continued)4.
Thispackageisdesignedtobesolderedtoathermalpadontheboard.
Formoreinformation,seeTexasInstrumentsliteraturenumberSLUA271(www.
ti.
com/lit/slua271).
5.
Viasareoptionaldependingonapplication,refertodevicedatasheet.
Ifanyviasareimplemented,refertotheirlocationsshownonthisview.
Itisrecommendedthatviasunderpastebefilled,pluggedortented.
SYMMSOLDERMASKOPENINGSOLDERMASKMETALUNDERSOLDERMASKDEFINEDEXPOSEDMETALMETALSOLDERMASKOPENINGSOLDERMASKDETAILSNONSOLDERMASKDEFINED(PREFERRED)EXPOSEDMETALwww.
ti.
comEXAMPLESTENCILDESIGN(R0.
05)TYP8X(0.
31)8X(0.
6)(1.
34)(1.
55)(2.
8)6X(0.
65)4X(0.
725)4X(0.
23)(2.
674)(0.
65)VSON-1mmmaxheightDRB0008APLASTICSMALLOUTLINE-NOLEAD4218875/A01/2018NOTES:(continued)6.
Lasercuttingapertureswithtrapezoidalwallsandroundedcornersmayofferbetterpasterelease.
IPC-7525mayhavealternatedesignrecommendations.
SOLDERPASTEEXAMPLEBASEDON0.
125mmTHICKSTENCILEXPOSEDPAD84%PRINTEDSOLDERCOVERAGEBYAREASCALE:25XSYMM1458METALTYPSYMMIMPORTANTNOTICEANDDISCLAIMERTIPROVIDESTECHNICALANDRELIABILITYDATA(INCLUDINGDATASHEETS),DESIGNRESOURCES(INCLUDINGREFERENCEDESIGNS),APPLICATIONOROTHERDESIGNADVICE,WEBTOOLS,SAFETYINFORMATION,ANDOTHERRESOURCES"ASIS"ANDWITHALLFAULTS,ANDDISCLAIMSALLWARRANTIES,EXPRESSANDIMPLIED,INCLUDINGWITHOUTLIMITATIONANYIMPLIEDWARRANTIESOFMERCHANTABILITY,FITNESSFORAPARTICULARPURPOSEORNON-INFRINGEMENTOFTHIRDPARTYINTELLECTUALPROPERTYRIGHTS.
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