dtwww.165aa.com

LM134,LM234,LM334www.
ti.
comSNVS746E–MARCH2000–REVISEDMAY2013LM134/LM234/LM3343-TerminalAdjustableCurrentSourcesCheckforSamples:LM134,LM234,LM3341FEATURESThesensevoltageusedtoestablishoperatingcurrent2OperatesFrom1Vto40VintheLM134is64mVat25°Candisdirectly0.
02%/VCurrentRegulationproportionaltoabsolutetemperature(°K).
TheProgrammableFrom1μAto10mAsimplestoneexternalresistorconnection,then,generatesacurrentwith≈+0.
33%/°CtemperatureTrue2-TerminalOperationdependence.
ZerodriftoperationcanbeobtainedbyAvailableasFullySpecifiedTemperatureaddingoneextraresistorandadiode.
SensorApplicationsforthecurrentsourcesincludebias±3%InitialAccuracynetworks,surgeprotection,lowpowerreference,rampgeneration,LEDdriver,andtemperatureDESCRIPTIONsensing.
TheLM234-3andLM234-6arespecifiedasTheLM134/LM234/LM334are3-terminaladjustabletruetemperaturesensorswithensuredinitialcurrentsourcesfeaturing10,000:1rangeinoperatingaccuracyof±3°Cand±6°C,respectively.
Thesecurrent,excellentcurrentregulationandawidedevicesareidealinremotesenseapplicationsdynamicvoltagerangeof1Vto40V.
Currentisbecauseseriesresistanceinlongwirerunsdoesnotestablishedwithoneexternalresistorandnootheraffectaccuracy.
Inaddition,only2wiresarerequired.
partsarerequired.
Initialcurrentaccuracyis±3%.
TheLM134isspecifiedoveratemperaturerangeofTheLM134/LM234/LM334aretruefloatingcurrent55°Cto+125°C,theLM234from25°Cto+100°Csourceswithnoseparatepowersupplyconnections.
andtheLM334from0°Cto+70°C.
ThesedevicesInaddition,reverseappliedvoltagesofupto20VwillareavailableinTOhermetic,TO-92andSOIC-8drawonlyafewdozenmicroamperesofcurrent,plasticpackages.
allowingthedevicestoactasbotharectifierandcurrentsourceinACapplications.
ConnectionDiagramsFigure1.
SOIC-8SurfaceMountPackageFigure2.
SOIC-8AlternativePinoutSurfaceMountPackage(LM334M;LM334M/NOPB;LM334MX;LM334MX/NOPB)(LM334SM;LM334SM/NOPB;LM334SMX;LM334SMX/NOPB)SeePackageNumberDSeePackageNumberDFigure3.
TOMetalCanPackage(BottomView)Figure4.
TO-92PlasticPackage(BottomView)SeePackageNumberNDVSeePackageNumberLP1Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsofTexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
2Alltrademarksarethepropertyoftheirrespectiveowners.
PRODUCTIONDATAinformationiscurrentasofpublicationdate.
Copyright2000–2013,TexasInstrumentsIncorporatedProductsconformtospecificationsperthetermsoftheTexasInstrumentsstandardwarranty.
Productionprocessingdoesnotnecessarilyincludetestingofallparameters.
LM134,LM234,LM334SNVS746E–MARCH2000–REVISEDMAY2013www.
ti.
comThesedeviceshavelimitedbuilt-inESDprotection.
TheleadsshouldbeshortedtogetherorthedeviceplacedinconductivefoamduringstorageorhandlingtopreventelectrostaticdamagetotheMOSgates.
AbsoluteMaximumRatings(1)(2)V+toVForwardVoltageLM134/LM234/LM33440VLM234-3/LM234-630VV+toVReverseVoltage20VRPintoVVoltage5VSetCurrent10mAPowerDissipation400mWESDSusceptibility(3)2000VOperatingTemperatureRange(4)LM13455°Cto+125°CLM234/LM234-3/LM234-625°Cto+100°CLM3340°Cto+70°CSolderingInformationTO-92Package(10sec.
)260°CTOPackage(10sec.
)300°CSOICPackageVaporPhase(60sec.
)215°CInfrared(15sec.
)220°C(1)"AbsoluteMaximumRatings"indicatelimitsbeyondwhichdamagetothedevicemayoccur.
OperatingRatingsindicateconditionsforwhichthedeviceisfunctional,butdonotensurespecificperformancelimits.
(2)IfMilitary/Aerospacespecifieddevicesarerequired,pleasecontacttheTexasInstrumentsSalesOffice/Distributorsforavailabilityandspecifications.
(3)Humanbodymodel,100pFdischargedthrougha1.
5kΩresistor.
(4)Forelevatedtemperatureoperation,TJmaxis:LM134150°CLM234125°CLM334100°CSeeThermalCharacteristics.
ThermalCharacteristicsoveroperatingfree-airtemperaturerange(unlessotherwisenoted)ThermalResistanceTO-92TOSOIC-8θja(JunctiontoAmbient)180°C/W(0.
4″leads)440°C/W165°C/W160°C/W(0.
125″leads)θjc(JunctiontoCase)N/A32°C/W80°C/W2SubmitDocumentationFeedbackCopyright2000–2013,TexasInstrumentsIncorporatedProductFolderLinks:LM134LM234LM334LM134,LM234,LM334www.
ti.
comSNVS746E–MARCH2000–REVISEDMAY2013ElectricalCharacteristics(1)LM134/LM234LM334ParameterConditionsUnitsMinTypMaxMinTypMaxSetCurrentError,V+=2.
5V(2)10μA≤ISET≤1mA36%1mA80.
8V100μA90.
9V1mA01.
0VAverageChangeinSetCurrent2μA≤ISET≤1mA1.
5≤V+≤5V0.
020.
050.
020.
1%/VwithInputVoltage5V≤V+≤40V0.
010.
030.
010.
05%/V1mA5V≤V≤5V0.
030.
03%/V5V≤V≤40V0.
020.
02%/VTemperatureDependenceof25μA≤ISET≤1mA0.
96TT1.
04T0.
96TT1.
04TSetCurrent(3)EffectiveShuntCapacitance1515pF(1)Unlessotherwisespecified,testsareperformedatTj=25°Cwithpulsetestingsothatjunctiontemperaturedoesnotchangeduringtest(2)SetcurrentisthecurrentflowingintotheV+pin.
FortheBasic2-TerminalCurrentSourcecircuitshowninFigure13.
ISETisdeterminedbythefollowingformula:ISET=67.
7mV/RSET(@25°C).
Setcurrenterrorisexpressedasapercentdeviationfromthisamount.
ISETincreasesat0.
336%/°C@Tj=25°C(227μV/°C).
(3)ISETisdirectlyproportionaltoabsolutetemperature(°K).
ISETatanytemperaturecanbecalculatedfrom:ISET=Io(T/To)whereIoisISETmeasuredatTo(°K).
ElectricalCharacteristics(1)LM234-3LM234-6ParameterConditionsUnitsMinTypMaxMinTypMaxSetCurrentError,V+=2.
5V(2)100μA≤ISET≤1mA±1±2%TJ=25°EquivalentTemperatureError±3±6°CRatioofSetCurrenttoBias100μA≤ISET≤1mA141826141826CurrentMinimumOperatingVoltage100μAISET≤1mA0.
90.
9VAverageChangeinSetCurrent100μA≤ISET≤1mA1.
5≤V+≤5V0.
020.
050.
020.
01%/VwithInputVoltage5V≤V+≤30V0.
010.
030.
010.
05%/VTemperatureDependenceof100μA≤ISET≤1mA0.
98TT1.
02T0.
97TT1.
03TSetCurrent(3)EquivalentSlopeError±2±3%EffectiveShuntCapacitance1515pF(1)Unlessotherwisespecified,testsareperformedatTj=25°Cwithpulsetestingsothatjunctiontemperaturedoesnotchangeduringtest(2)SetcurrentisthecurrentflowingintotheV+pin.
FortheBasic2-TerminalCurrentSourcecircuitshowninFigure13.
ISETisdeterminedbythefollowingformula:ISET=67.
7mV/RSET(@25°C).
Setcurrenterrorisexpressedasapercentdeviationfromthisamount.
ISETincreasesat0.
336%/°C@Tj=25°C(227μV/°C).
(3)ISETisdirectlyproportionaltoabsolutetemperature(°K).
ISETatanytemperaturecanbecalculatedfrom:ISET=Io(T/To)whereIoisISETmeasuredatTo(°K).
Copyright2000–2013,TexasInstrumentsIncorporatedSubmitDocumentationFeedback3ProductFolderLinks:LM134LM234LM334LM134,LM234,LM334SNVS746E–MARCH2000–REVISEDMAY2013www.
ti.
comTypicalPerformanceCharacteristicsMaximumSlewRateOutputImpedanceLinearOperationFigure5.
Figure6.
Start-UpTransientResponseFigure7.
Figure8.
VoltageAcrossRSET(VR)CurrentNoiseFigure9.
Figure10.
4SubmitDocumentationFeedbackCopyright2000–2013,TexasInstrumentsIncorporatedProductFolderLinks:LM134LM234LM334LM134,LM234,LM334www.
ti.
comSNVS746E–MARCH2000–REVISEDMAY2013TypicalPerformanceCharacteristics(continued)Turn-OnVoltageRatioofISETtoIBIASFigure11.
Figure12.
Copyright2000–2013,TexasInstrumentsIncorporatedSubmitDocumentationFeedback5ProductFolderLinks:LM134LM234LM334LM134,LM234,LM334SNVS746E–MARCH2000–REVISEDMAY2013www.
ti.
comAPPLICATIONHINTSTheLM134hasbeendesignedforeaseofapplication,butageneraldiscussionofdesignfeaturesispresentedheretofamiliarizethedesignerwithdevicecharacteristicswhichmaynotbeimmediatelyobvious.
Theseincludetheeffectsofslewing,powerdissipation,capacitance,noise,andcontactresistance.
CalculatingRSETThetotalcurrentthroughtheLM134(ISET)isthesumofthecurrentgoingthroughtheSETresistor(IR)andtheLM134'sbiascurrent(IBIAS),asshowninFigure13.
Figure13.
BasicCurrentSourceAgraphshowingtheratioofthesetwocurrentsissuppliedunderRatioofISETtoIBIASinTypicalPerformanceCharacteristics.
ThecurrentflowingthroughRSETisdeterminedbyVR,whichisapproximately214μV/°K(64mV/298°K214μV/°K).
(1)Since(foragivensetcurrent)IBIASissimplyapercentageofISET,theequationcanberewrittenwherenistheratioofISETtoIBIASasspecifiedinElectricalCharacteristicsandshowninthegraph(2)Sincenistypically18for2μA≤ISET≤1mA,theequationcanbefurthersimplifiedto(3)formostsetcurrents.
SlewRateAtslewratesaboveagiventhreshold(seecurve),theLM134mayexhibitnon-linearcurrentshifts.
TheslewingrateatwhichthisoccursisdirectlyproportionaltoISET.
AtISET=10μA,maximumdV/dtis0.
01V/μs;atISET=1mA,thelimitis1V/μs.
SlewratesabovethelimitdonotharmtheLM134,orcauselargecurrentstoflow.
ThermalEffectsInternalheatingcanhaveasignificanteffectoncurrentregulationforISETgreaterthan100μA.
Forexample,each1VincreaseacrosstheLM134atISET=1mAwillincreasejunctiontemperatureby≈0.
4°Cinstillair.
Outputcurrent(ISET)hasatemperaturecoefficientof≈0.
33%/°C,sothechangeincurrentduetotemperaturerisewillbe(0.
4)(0.
33)=0.
132%.
Thisisa10:1degradationinregulationcomparedtotrueelectricaleffects.
Thermaleffects,therefore,mustbetakenintoaccountwhenDCregulationiscriticalandISETexceeds100μA.
HeatsinkingoftheTOpackageortheTO-92leadscanreducethiseffectbymorethan3:1.
6SubmitDocumentationFeedbackCopyright2000–2013,TexasInstrumentsIncorporatedProductFolderLinks:LM134LM234LM334LM134,LM234,LM334www.
ti.
comSNVS746E–MARCH2000–REVISEDMAY2013ShuntCapacitanceIncertainapplications,the15pFshuntcapacitanceoftheLM134mayhavetobereduced,eitherbecauseofloadingproblemsorbecauseitlimitstheACoutputimpedanceofthecurrentsource.
ThiscanbeeasilyaccomplishedbybufferingtheLM134withanFETasshownintheapplications.
Thiscanreducecapacitancetolessthan3pFandimproveregulationbyatleastanorderofmagnitude.
DCcharacteristics(withtheexceptionofminimuminputvoltage),arenotaffected.
NoiseCurrentnoisegeneratedbytheLM134isapproximately4timestheshotnoiseofatransistor.
IftheLM134isusedasanactiveloadforatransistoramplifier,inputreferrednoisewillbeincreasedbyabout12dB.
Inmanycases,thisisacceptableandasinglestageamplifiercanbebuiltwithavoltagegainexceeding2000.
LeadResistanceThesensevoltagewhichdeterminesoperatingcurrentoftheLM134islessthan100mV.
Atthislevel,thermocoupleorleadresistanceeffectsshouldbeminimizedbylocatingthecurrentsettingresistorphysicallyclosetothedevice.
Socketsshouldbeavoidedifpossible.
Ittakesonly0.
7Ωcontactresistancetoreduceoutputcurrentby1%atthe1mAlevel.
SensingTemperatureTheLM134makesanidealremotetemperaturesensorbecauseitscurrentmodeoperationdoesnotloseaccuracyoverlongwireruns.
OutputcurrentisdirectlyproportionaltoabsolutetemperatureindegreesKelvin,accordingtothefollowingformula:(4)CalibrationoftheLM134isgreatlysimplifiedbecauseofthefactthatmostoftheinitialinaccuracyisduetoagainterm(slopeerror)andnotanoffset.
Thismeansthatacalibrationconsistingofagainadjustmentonlywilltrimbothslopeandzeroatthesametime.
Inaddition,gainadjustmentisaonepointtrimbecausetheoutputoftheLM134extrapolatestozeroat0°K,independentofRSEToranyinitialinaccuracy.
Figure14.
GainAdjustmentThispropertyoftheLM134isillustratedintheaccompanyinggraph.
Lineabcisthesensorcurrentbeforetrimming.
Linea′b′c′isthedesiredoutput.
AgaintrimdoneatT2willmovetheoutputfrombtob′andwillsimultaneouslycorrecttheslopesothattheoutputatT1andT3willbecorrect.
ThisgaintrimcanbedoneonRSETorontheloadresistorusedtoterminatetheLM134.
Slopeerroraftertrimwillnormallybelessthan±1%.
Tomaintainthisaccuracy,however,alowtemperaturecoefficientresistormustbeusedforRSET.
A33ppm/°CdriftofRSETwillgivea1%slopeerrorbecausetheresistorwillnormallyseeaboutthesametemperaturevariationsastheLM134.
SeparatingRSETfromtheLM134requires3wiresandhasleadresistanceproblems,soisnotnormallyrecommended.
Metalfilmresistorswithlessthan20ppm/°Cdriftarereadilyavailable.
Wirewoundresistorsmayalsobeusedwherebeststabilityisrequired.
Copyright2000–2013,TexasInstrumentsIncorporatedSubmitDocumentationFeedback7ProductFolderLinks:LM134LM234LM334LM134,LM234,LM334SNVS746E–MARCH2000–REVISEDMAY2013www.
ti.
comApplicationasaZeroTemperatureCoefficentCurrentSourceAddingadiodeandaresistortothestandardLM134configurationcancancelthetemperature-dependentcharacteristicoftheLM134.
ThecircuitshowninFigure15balancesthepositivetempcooftheLM134(about+0.
23mV/°C)withthenegativetempcoofaforward-biasedsilicondiode(about2.
5mV/°C).
Figure15.
ZeroTempcoCurrentSourceThesetcurrent(ISET)isthesumofI1andI2,eachcontributingapproximately50%ofthesetcurrent,andIBIAS.
IBIASisusuallyincludedintheI1termbyincreasingtheVRvalueusedforcalculationsby5.
9%.
(SeeCALCULATINGRSET.
)(5)Thefirststepistominimizethetempcoofthecircuit,usingthefollowingequations.
Anexampleisgivenusingavalueof+227μV/°CasthetempcooftheLM134(whichincludestheIBIAScomponent),and2.
5mV/°Casthetempcoofthediode(forbestresults,thisvalueshouldbedirectlymeasuredorobtainedfromthemanufacturerofthediode).
(6)(7)WiththeR1toR2ratiodetermined,valuesforR1andR2shouldbedeterminedtogivethedesiredsetcurrent.
TheformulaforcalculatingthesetcurrentatT=25°Cisshownbelow,followedbyanexamplethatassumestheforwardvoltagedropacrossthediode(VD)is0.
6V,thevoltageacrossR1is67.
7mV(64mV+5.
9%toaccountforIBIAS),andR2/R1=10(fromthepreviouscalculations).
8SubmitDocumentationFeedbackCopyright2000–2013,TexasInstrumentsIncorporatedProductFolderLinks:LM134LM234LM334LM134,LM234,LM334www.
ti.
comSNVS746E–MARCH2000–REVISEDMAY2013(8)ThiscircuitwilleliminatemostoftheLM134'stemperaturecoefficient,anditdoesagoodjobeveniftheestimatesofthediode'scharacteristicsarenotaccurate(asthefollowingexamplewillshow).
ForlowesttempcowithaspecificdiodeatthedesiredISET,however,thecircuitshouldbebuiltandtestedovertemperature.
IfthemeasuredtempcoofISETispositive,R2shouldbereduced.
Iftheresultingtempcoisnegative,R2shouldbeincreased.
Therecommendeddiodeforuseinthiscircuitisthe1N457becauseitstempcoiscenteredat11timesthetempcooftheLM134,allowingR2=10R1.
Youcanalsousethiscircuittocreateacurrentsourcewithnon-zerotempcosbysettingthetempcocomponentofthetempcoequationtothedesiredvalueinsteadof0.
EXAMPLE:A1mA,Zero-TempcoCurrentSourceFirst,solveforR1andR2:(9)ThevaluesofR1andR2canbechangedtostandard1%resistorvalues(R1=133ΩandR2=1.
33kΩ)withlessthana0.
75%error.
Iftheforwardvoltagedropofthediodewas0.
65Vinsteadoftheestimateof0.
6V(anerrorof8%),theactualsetcurrentwillbe(10)anerroroflessthan5%.
Iftheestimateforthetempcoofthediode'sforwardvoltagedropwasoff,thetempcocancellationisstillreasonablyeffective.
Assumethetempcoofthediodeis2.
6mV/°Cinsteadof2.
5mV/°C(anerrorof4%).
Thetempcoofthecircuitisnow:(11)A1mALM134currentsourcewithnotemperaturecompensationwouldhaveasetresistorof68Ωandaresultingtempcoof(12)Soevenifthediode'stempcovariesasmuchas±4%fromitsestimatedvalue,thecircuitstilleliminates98%oftheLM134'sinherenttempco.
Copyright2000–2013,TexasInstrumentsIncorporatedSubmitDocumentationFeedback9ProductFolderLinks:LM134LM234LM334LM134,LM234,LM334SNVS746E–MARCH2000–REVISEDMAY2013www.
ti.
comTypicalApplications*SelectR3=VREF/583μA.
VREFmaybeanystablepositivevoltage≥2VTrimR3tocalibrateFigure16.
GroundReferredFahrenheitThermometerFigure17.
TerminatingRemoteSensorforVoltageOutput*OutputimpedanceoftheLM134atthe"R"pinisapproximatelywhereR2istheequivalentexternalresistanceconnectedfromtheVpintoground.
Thisnegativeresistancecanbereducedbyafactorof5ormorebyinsertinganequivalentresistorR3=(R2/16)inserieswiththeoutput.
Figure18.
LowOutputImpedanceThermometer10SubmitDocumentationFeedbackCopyright2000–2013,TexasInstrumentsIncorporatedProductFolderLinks:LM134LM234LM334LM134,LM234,LM334www.
ti.
comSNVS746E–MARCH2000–REVISEDMAY2013Figure19.
LowOutputImpedanceThermometer*SelectR1andC1foroptimumstabilityFigure20.
HigherOutputCurrentFigure21.
Basic2-TerminalCurrentSourceCopyright2000–2013,TexasInstrumentsIncorporatedSubmitDocumentationFeedback11ProductFolderLinks:LM134LM234LM334LM134,LM234,LM334SNVS746E–MARCH2000–REVISEDMAY2013www.
ti.
comFigure22.
MicropowerBiasFigure23.
LowInputVoltageReferenceDriverFigure24.
RampGenerator12SubmitDocumentationFeedbackCopyright2000–2013,TexasInstrumentsIncorporatedProductFolderLinks:LM134LM234LM334LM134,LM234,LM334www.
ti.
comSNVS746E–MARCH2000–REVISEDMAY2013*SelectratioofR1toR2toobtainzerotemperaturedriftFigure25.
1.
2VReferenceOperateson10μAand2V*SelectratioofR1toR2forzerotemperaturedriftFigure26.
1.
2VRegulatorwith1.
8VMinimumInputFigure27.
ZenerBiasingCopyright2000–2013,TexasInstrumentsIncorporatedSubmitDocumentationFeedback13ProductFolderLinks:LM134LM234LM334LM134,LM234,LM334SNVS746E–MARCH2000–REVISEDMAY2013www.
ti.
com*For±10%adjustment,selectRSET10%high,andmakeR1≈3RSETFigure28.
AlternateTrimmingTechniqueFigure29.
BufferforPhotoconductiveCell*SelectQ1orQ2toensureatleast1VacrosstheLM134.
Vp(1ISET/IDSS)≥1.
2V.
14SubmitDocumentationFeedbackCopyright2000–2013,TexasInstrumentsIncorporatedProductFolderLinks:LM134LM234LM334LM134,LM234,LM334www.
ti.
comSNVS746E–MARCH2000–REVISEDMAY2013Figure30.
FETCascodingforLowCapacitanceand/orUltraHighOutputImpedance*ZOUT≈16R1(R1/VINmustnotexceedISET)Figure31.
GeneratingNegativeOutputImpedance*Useminimumvaluerequiredtoensurestabilityofprotecteddevice.
Thisminimizesinrushcurrenttoadirectshort.
Figure32.
In-LineCurrentLimiterCopyright2000–2013,TexasInstrumentsIncorporatedSubmitDocumentationFeedback15ProductFolderLinks:LM134LM234LM334LM134,LM234,LM334SNVS746E–MARCH2000–REVISEDMAY2013www.
ti.
comSchematicDiagram16SubmitDocumentationFeedbackCopyright2000–2013,TexasInstrumentsIncorporatedProductFolderLinks:LM134LM234LM334LM134,LM234,LM334www.
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comSNVS746E–MARCH2000–REVISEDMAY2013REVISIONHISTORYChangesfromRevisionC(April2013)toRevisionDPageChangedlayoutofNationalDataSheettoTIformat16Copyright2000–2013,TexasInstrumentsIncorporatedSubmitDocumentationFeedback17ProductFolderLinks:LM134LM234LM334PACKAGEOPTIONADDENDUMwww.
ti.
com6-Feb-2020Addendum-Page1PACKAGINGINFORMATIONOrderableDeviceStatus(1)PackageTypePackageDrawingPinsPackageQtyEcoPlan(2)Lead/BallFinish(6)MSLPeakTemp(3)OpTemp(°C)DeviceMarking(4/5)SamplesLM134MDCACTIVEDIESALEY0400Green(RoHS&noSb/Br)CallTILevel-1-NA-UNLIM-40to85LM134HACTIVETONDV31000TBDCallTICallTI-55to125(LM134H,LM134H)LM134H/NOPBACTIVETONDV31000Green(RoHS&noSb/Br)CallTILevel-1-NA-UNLIM-55to125(LM134H,LM134H)LM234Z-3/NOPBACTIVETO-92LP31800Green(RoHS&noSb/Br)SNN/AforPkgType-25to100LM234Z-3LM234Z-6/NOPBACTIVETO-92LP31800Green(RoHS&noSb/Br)SNN/AforPkgType-25to100LM234Z-6LM334MWCACTIVEWAFERSALEYS01Green(RoHS&noSb/Br)CallTILevel-1-NA-UNLIM-40to85LM334MNRNDSOICD895TBDCallTICallTI0to70LM334MLM334M/NOPBACTIVESOICD895Green(RoHS&noSb/Br)SNLevel-1-260C-UNLIM0to70LM334MLM334MX/NOPBACTIVESOICD82500Green(RoHS&noSb/Br)SNLevel-1-260C-UNLIM0to70LM334MLM334SM/NOPBACTIVESOICD895Green(RoHS&noSb/Br)SNLevel-1-260C-UNLIM0to70LM334SMLM334SMXNRNDSOICD82500TBDCallTICallTI0to70LM334SMLM334SMX/NOPBACTIVESOICD82500Green(RoHS&noSb/Br)SNLevel-1-260C-UNLIM0to70LM334SMLM334Z/LFT1ACTIVETO-92LP32000Green(RoHS&noSb/Br)SNN/AforPkgTypeLM334ZLM334Z/NOPBACTIVETO-92LP31800Green(RoHS&noSb/Br)SNN/AforPkgType0to70LM334Z(1)Themarketingstatusvaluesaredefinedasfollows:ACTIVE:Productdevicerecommendedfornewdesigns.
LIFEBUY:TIhasannouncedthatthedevicewillbediscontinued,andalifetime-buyperiodisineffect.
NRND:Notrecommendedfornewdesigns.
Deviceisinproductiontosupportexistingcustomers,butTIdoesnotrecommendusingthispartinanewdesign.
PREVIEW:Devicehasbeenannouncedbutisnotinproduction.
Samplesmayormaynotbeavailable.
OBSOLETE:TIhasdiscontinuedtheproductionofthedevice.
PACKAGEOPTIONADDENDUMwww.
ti.
com6-Feb-2020Addendum-Page2(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)Lead/BallFinish-OrderableDevicesmayhavemultiplematerialfinishoptions.
Finishoptionsareseparatedbyaverticalruledline.
Lead/BallFinishvaluesmaywraptotwolinesifthefinishvalueexceedsthemaximumcolumnwidth.
ImportantInformationandDisclaimer:TheinformationprovidedonthispagerepresentsTI'sknowledgeandbeliefasofthedatethatitisprovided.
TIbasesitsknowledgeandbeliefoninformationprovidedbythirdparties,andmakesnorepresentationorwarrantyastotheaccuracyofsuchinformation.
Effortsareunderwaytobetterintegrateinformationfromthirdparties.
TIhastakenandcontinuestotakereasonablestepstoproviderepresentativeandaccurateinformationbutmaynothaveconducteddestructivetestingorchemicalanalysisonincomingmaterialsandchemicals.
TIandTIsuppliersconsidercertaininformationtobeproprietary,andthusCASnumbersandotherlimitedinformationmaynotbeavailableforrelease.
InnoeventshallTI'sliabilityarisingoutofsuchinformationexceedthetotalpurchasepriceoftheTIpart(s)atissueinthisdocumentsoldbyTItoCustomeronanannualbasis.
TAPEANDREELINFORMATION*AlldimensionsarenominalDevicePackageTypePackageDrawingPinsSPQReelDiameter(mm)ReelWidthW1(mm)A0(mm)B0(mm)K0(mm)P1(mm)W(mm)Pin1QuadrantLM334MX/NOPBSOICD82500330.
012.
46.
55.
42.
08.
012.
0Q1LM334SMXSOICD82500330.
012.
46.
55.
42.
08.
012.
0Q1LM334SMX/NOPBSOICD82500330.
012.
46.
55.
42.
08.
012.
0Q1PACKAGEMATERIALSINFORMATIONwww.
ti.
com29-Sep-2019PackMaterials-Page1*AlldimensionsarenominalDevicePackageTypePackageDrawingPinsSPQLength(mm)Width(mm)Height(mm)LM334MX/NOPBSOICD82500367.
0367.
035.
0LM334SMXSOICD82500367.
0367.
035.
0LM334SMX/NOPBSOICD82500367.
0367.
035.
0PACKAGEMATERIALSINFORMATIONwww.
ti.
com29-Sep-2019PackMaterials-Page2www.
ti.
comPACKAGEOUTLINEC.
228-.
244TYP[5.
80-6.
19].
069MAX[1.
75]6X.
050[1.
27]8X.
012-.
020[0.
31-0.
51]2X.
150[3.
81].
005-.
010TYP[0.
13-0.
25]0-8.
004-.
010[0.
11-0.
25].
010[0.
25].
016-.
050[0.
41-1.
27]4X(0-15)A.
189-.
197[4.
81-5.
00]NOTE3B.
150-.
157[3.
81-3.
98]NOTE44X(0-15)(.
041)[1.
04]SOIC-1.
75mmmaxheightD0008ASMALLOUTLINEINTEGRATEDCIRCUIT4214825/C02/2019NOTES:1.
Lineardimensionsareininches[millimeters].
Dimensionsinparenthesisareforreferenceonly.
Controllingdimensionsareininches.
DimensioningandtolerancingperASMEY14.
5M.
2.
Thisdrawingissubjecttochangewithoutnotice.
3.
Thisdimensiondoesnotincludemoldflash,protrusions,orgateburrs.
Moldflash,protrusions,orgateburrsshallnotexceed.
006[0.
15]perside.
4.
Thisdimensiondoesnotincludeinterleadflash.
5.
ReferenceJEDECregistrationMS-012,variationAA.
18.
010[0.
25]CAB54PIN1IDAREASEATINGPLANE.
004[0.
1]CSEEDETAILADETAILATYPICALSCALE2.
800www.
ti.
comEXAMPLEBOARDLAYOUT.
0028MAX[0.
07]ALLAROUND.
0028MIN[0.
07]ALLAROUND(.
213)[5.
4]6X(.
050)[1.
27]8X(.
061)[1.
55]8X(.
024)[0.
6](R.
002)TYP[0.
05]SOIC-1.
75mmmaxheightD0008ASMALLOUTLINEINTEGRATEDCIRCUIT4214825/C02/2019NOTES:(continued)6.
PublicationIPC-7351mayhavealternatedesigns.
7.
Soldermasktolerancesbetweenandaroundsignalpadscanvarybasedonboardfabricationsite.
METALSOLDERMASKOPENINGNONSOLDERMASKDEFINEDSOLDERMASKDETAILSEXPOSEDMETALOPENINGSOLDERMASKMETALUNDERSOLDERMASKSOLDERMASKDEFINEDEXPOSEDMETALLANDPATTERNEXAMPLEEXPOSEDMETALSHOWNSCALE:8XSYMM1458SEEDETAILSSYMMwww.
ti.
comEXAMPLESTENCILDESIGN8X(.
061)[1.
55]8X(.
024)[0.
6]6X(.
050)[1.
27](.
213)[5.
4](R.
002)TYP[0.
05]SOIC-1.
75mmmaxheightD0008ASMALLOUTLINEINTEGRATEDCIRCUIT4214825/C02/2019NOTES:(continued)8.
Lasercuttingapertureswithtrapezoidalwallsandroundedcornersmayofferbetterpasterelease.
IPC-7525mayhavealternatedesignrecommendations.
9.
Boardassemblysitemayhavedifferentrecommendationsforstencildesign.
SOLDERPASTEEXAMPLEBASEDON.
005INCH[0.
125MM]THICKSTENCILSCALE:8XSYMMSYMM1458www.
ti.
comPACKAGEOUTLINE3X2.
672.
035.
214.
445.
344.
323X12.
7MIN2X1.
270.
133X0.
550.
384.
193.
173.
43MIN3X0.
430.
35(2.
54)NOTE32X2.
60.
22X4MAXSEATINGPLANE6X0.
076MAX(0.
51)TYP(1.
5)TYPTO-92-5.
34mmmaxheightLP0003ATO-924215214/B04/2017NOTES:1.
Alllineardimensionsareinmillimeters.
Anydimensionsinparenthesisareforreferenceonly.
DimensioningandtolerancingperASMEY14.
5M.
2.
Thisdrawingissubjecttochangewithoutnotice.
3.
Leaddimensionsarenotcontrolledwithinthisarea.
4.
ReferenceJEDECTO-226,variationAA.
5.
Shippingmethod:a.
Straightleadoptionavailableinbulkpackonly.
b.
Formedleadoptionavailableintapeandreelorammopack.
c.
Specificproductscanbeofferedinlimitedcombinationsofshippingmediumandleadoptions.
d.
Consultproductfolderformoreinformationonavailableoptions.
EJECTORPINOPTIONALPLANESEATINGSTRAIGHTLEADOPTION321SCALE1.
200FORMEDLEADOPTIONOTHERDIMENSIONSIDENTICALTOSTRAIGHTLEADOPTIONSCALE1.
200www.
ti.
comEXAMPLEBOARDLAYOUT0.
05MAXALLAROUNDTYP(1.
07)(1.
5)2X(1.
5)2X(1.
07)(1.
27)(2.
54)FULLRTYP(1.
4)0.
05MAXALLAROUNDTYP(2.
6)(5.
2)(R0.
05)TYP3X(0.
9)HOLE2X(1.
4)METAL3X(0.
85)HOLE(R0.
05)TYP4215214/B04/2017TO-92-5.
34mmmaxheightLP0003ATO-92LANDPATTERNEXAMPLEFORMEDLEADOPTIONNON-SOLDERMASKDEFINEDSCALE:15XSOLDERMASKOPENINGMETAL2XSOLDERMASKOPENING123LANDPATTERNEXAMPLESTRAIGHTLEADOPTIONNON-SOLDERMASKDEFINEDSCALE:15XMETALTYPSOLDERMASKOPENING2XSOLDERMASKOPENING2XMETAL123www.
ti.
comTAPESPECIFICATIONS19.
017.
513.
711.
711.
08.
50.
5MINTYP-4.
33.
79.
758.
50TYP2.
92.
46.
755.
9513.
012.
4(2.
5)TYP16.
515.
532234215214/B04/2017TO-92-5.
34mmmaxheightLP0003ATO-92FORFORMEDLEADOPTIONPACKAGEwww.
ti.
comPACKAGEOUTLINE(2.
54)1.
160.
924.
954.
550.
76MAX2.
67MAX0.
64MAXUNCONTROLLEDLEADDIA3X12.
7MIN3X0.
4830.
407-5.
565.
321.
220.
7245TO-CAN-2.
67mmmaxheightNDV0003HTO-464219876/A01/2017NOTES:1.
Alllineardimensionsareinmillimeters.
Anydimensionsinparenthesisareforreferenceonly.
DimensioningandtolerancingperASMEY14.
5M.
2.
Thisdrawingissubjecttochangewithoutnotice.
3.
ReferenceJEDECregistrationTO-46.
123SCALE1.
250www.
ti.
comEXAMPLEBOARDLAYOUT0.
07MAXALLAROUND0.
07MAXTYP(1.
2)METAL2X(1.
2)METAL3X(0.
7)VIA(R0.
05)TYP(2.
54)(1.
27)TO-CAN-2.
67mmmaxheightNDV0003HTO-464219876/A01/2017LANDPATTERNEXAMPLENON-SOLDERMASKDEFINEDSCALE:12X2XSOLDERMASKOPENINGSOLDERMASKOPENING123IMPORTANTNOTICEANDDISCLAIMERTIPROVIDESTECHNICALANDRELIABILITYDATA(INCLUDINGDATASHEETS),DESIGNRESOURCES(INCLUDINGREFERENCEDESIGNS),APPLICATIONOROTHERDESIGNADVICE,WEBTOOLS,SAFETYINFORMATION,ANDOTHERRESOURCES"ASIS"ANDWITHALLFAULTS,ANDDISCLAIMSALLWARRANTIES,EXPRESSANDIMPLIED,INCLUDINGWITHOUTLIMITATIONANYIMPLIEDWARRANTIESOFMERCHANTABILITY,FITNESSFORAPARTICULARPURPOSEORNON-INFRINGEMENTOFTHIRDPARTYINTELLECTUALPROPERTYRIGHTS.
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