SBOS181F –DECEMBER 2000–REVISED FEBRUARY …

1 RS21 OUTGNDRLVO= ISRSRL/1k Load1k 1k VIN+Up to 60 VVIN+VIN 34 ISV+5 Copyright 2017, Texas Instruments IncorporatedProductFolderOrderNowTechnic alDocumentsTools &SoftwareSupport &CommunityReferenceDesignAn IMPORTANTNOTICEat the end of this datasheetaddressesavailability,warranty, changes,use in safety-criticalapplications,intellectual propertymattersand ,INA169 SBOS181F DECEMBER2000 REVISEDFEBRUARY2017 INA1x9 High-SideMeasurementCurrentShuntMonitor1 1 Features1 CompleteUnipolarHigh-SideCurrentMeasurem entCircuit WideSupplyand Common-ModeRange INA139 V to 40 V INA169 V to 60 V IndependentSupplyand InputCommon-ModeVoltages SingleResistorGainSet Low QuiescentCurrent:60 A (Typical) 5-Pin,SOT-23 Packages2 Applications CurrentShuntMeasurement: Automotive,Telephone,Computers Portableand Battery-BackupSystems BatteryChargers PowerManagement Cell Phones PrecisionCurrentSource3 DescriptionTheINA139andINA169are high-side,unipolar, ,high-speed,low quiescentcurrent,andtiny SOT-23packagingenableuse in a power-supplyvoltagesareindependentand can V to 40 V for theINA139and V to 60 V for the only60 A, whichpermitsconnectingthepowersupplyto eithersideof thecurrentmeasurementshuntwith deviceconvertsa differentialinputvoltageto convertedbackto avoltagewithan externalloadresistorthat setsanygainfrom1 to ,thecircuitinvitescreativeapplicationsin INA139and INA169are availablein INA139deviceis specifiedforthe 40 C to +125 C temperaturerange,andtheINA169is specifiedfrom 40 C to +85 (1)PARTNUMBERPACKAGEBODYSIZE(NOM)INA139 SOT-23(5) (1)

2 For all availablepackages,see the orderableaddendumatthe end of the ,INA169 SBOS181F DECEMBER2000 :INA139 INA169 SubmitDocumentationFeedbackCopyright 2000 2017,TexasInstrumentsIncorporatedTableof Contents1 Pin Configurationand Applicationand Deviceand Mechanical,Packaging,and RevisionHistoryNOTE:Pagenumbersfor previousrevisionsmay differfrompagenumbersin the (December2015)to RevisionFPage ChangedINA139maximumtemperaturespecifica tionfrom+85 C to +125 C ChangedINA139devicemaximumtemperaturespe cificationfrom+85 C to +125 C UpdatedTypicalApplicationCircuitgraphico n frontpagewith UpdatedpinoutdiagraminPin Configurationsand Changedcommon-moderejectionminimumvaluef rom100 dB to 99 dB in Changedoffsetvoltagemaximumvaluefrom 1 mV to mV in ChangedINA139nonlinearityerrormaximumval uefrom Changedmaximumvalueof INA139temperaturerangespecificationfrom8 5 C to 125 C in (November2005)

3 To RevisionEPage ChangedESDR atingstable,FeatureDescriptionsection,De viceFunctionalModes,ApplicationandImplem entationsection,PowerSupplyRecommendatio nssection,Layoutsection,Deviceand DocumentationSupportsection,andMechanica l,Packaging,and +4 VIN 5V+Not to scale3 INA139, DECEMBER2000 REVISEDFEBRUARY2017 ProductFolderLinks:INA139 INA169 SubmitDocumentationFeedbackCopyright 2000 2017,TexasInstrumentsIncorporated5 Pin Configurationand FunctionsDBVP ackage5-PinSOT-23 Top ViewPin GroundOUT1 OOutputcurrentVIN+3 IPositiveinputvoltageVIN 4 INegativeinputvoltageV+5 IPowersupplyvoltage4 INA139,INA169 SBOS181F DECEMBER2000 :INA139 INA169 SubmitDocumentationFeedbackCopyright 2000 2017,TexasInstrumentsIncorporated(1)Stre ssesbeyondthoselistedunderAbsoluteMaximu mRatingsmay causepermanentdamageto the stressratingsonly,whichdo not implyfunctionaloperationof the deviceat theseor any otherconditionsbeyondthoseindicatedunder RecommendedOperatingConditions.

4 Exposureto absolute-maximum-ratedconditionsfor extendedperiodsmay affectdevicereliability.(2)The inputvoltageat any pin may exceedthe voltageshownif the currentat that pin is limitedto 10 (unlessotherwisenoted)(1)MINMAXUNITS upplyvoltage,VSINA139 ,INA139 Common-mode(2) (VIN+) (VIN ) 402 VAnaloginputs,INA169 Common-mode(2) (VIN+) (VIN ) 402 VAnaloginput,out(2) any pin10mAOperatingtemperature,TA 55125 CJunctiontemperature,TJ150 CStoragetemperature,Tstg 65125 C(1)JEDEC documentJEP155statesthat 500-VHBM allowssafe manufacturingwith a standardESDcontrolprocess.(2)JEDEC documentJEP157statesthat 250-VCDM allowssafe manufacturingwith a (ESD)ElectrostaticdischargeHuman-bodymod el(HBM),per ANSI/ESDA/JEDECJS-001(1) 1000 VCharged-devicemodel(CDM),per JEDEC specificationJESD22-C101(2) (unlessotherwisenoted)MINNOMMAXUNITV+ , DECEMBER2000 REVISEDFEBRUARY2017 ProductFolderLinks:INA139 INA169 SubmitDocumentationFeedbackCopyright 2000 2017,TexasInstrumentsIncorporated(1)For moreinformationabouttraditionaland new thermalmetrics,see the Semiconductorand IC (1)INA1x9 UNITDBV(SOT-23)5 PINSR C/WR JC(top)Junction-to-case(top) C/WR C/W C/W C/W6 INA139,INA169 SBOS181F DECEMBER2000 :INA139 INA169 SubmitDocumentationFeedbackCopyright 2000 2017,TexasInstrumentsIncorporated(1)Defi nedas the amountof voltage(VSENSE) to drivethe outputto.

5 All othercharacteristicsat TA= 40 C to +125 C, V+= 5 V, VIN+= 12 V, and ROUT= 25 k , unlessotherwisenotedINA169:all othercharacteristicsat TA= 40 C to +85 C V+= 5 V, VIN+= 12 V, and ROUT= 25 k , unlessotherwisenotedPARAMETERTESTCONDITI ONSMINTYPMAXUNITINPUTFull-scalesensevolt ageVSENSE= VIN+ VIN :VIN+= V to 40 V, VSENSE= 50 mV99115dBINA169:VIN+= V to 60 V, VSENSE= 50 mV100120dBOffsetvoltage(1)RTIINA139 1vs. temperatureTMINto TMAX1 V/ Cvs powersupply(V+)INA139:V+ = V to 40 V, VSENSE= 50 V/VINA169:V+ = V to 60 V, VSENSE= 50 V/VInputbias current10 AOUTPUTT ransconductancevs temperatureVSENSE= 10 mV 150 mV99010001010 A/VVSENSE= 10 mV10nA/ CNonlinearityerrorVSENSE= 10 mV to 150mVINA139 100 mV 2%Outputimpedance1 || 5G || pFVoltageoutputSwingto powersupply,V+(V+) (V+) common-mode,VCMVCM 1 FREQUENCYRESPONSEB andwidthROUT= 10 k 440kHzROUT= 20 k 220kHzSettlingtime ( )5-V step,ROUT= 10 k s5-V step,ROUT= 20 k 5 sNOISEO utput-currentnoisedensity20pA/ HzTotaloutput-currentnoiseBW = 100 kHz7nA RMSPOWERSUPPLYO peratingrange,V+ 0, IO= 060125 ATEMPERATURERANGES pecification,TMINto TMAXINA139 40125 CINA169 4085 COperating 55125 CStorage 65150 CThermalresistance, JA200 C/W10080604020001020304050 Quiescent Current ( A)!

6 Power-Supply Voltage (V)6070+150 +125 55 Use the INA169 with(V+) > 40V+25 210 1 201020304050 Total Output Error (%)Power-Supply Voltage (V)6070G = 1G = 10G = 25 Output error is essentiallyindependent of bothV+ supply voltage andinput common-mode 5 10 150255075100125 Total Output Error (%)VIN(mV)150200 55 C+25 C+150 CVIN= (VIN+ VIN )140120100806040201101001k10k100kPSR (dB)Frequency (Hz)G = 1G = 10G = 100403020100 10 201001k10k100k1M10 MGain (dB)Frequency (Hz)RL= 10 k RL= 100 k RL= 1 k Rejection (dB)Frequency (Hz)100kG = 1G = 10G = 1007 INA139, DECEMBER2000 REVISEDFEBRUARY2017 ProductFolderLinks:INA139 INA169 SubmitDocumentationFeedbackCopyright 2000 2017, TA= 25 C, V+ = 5 V, VIN+= 12 V, and RL= 125 k , Gainvs FrequencyFigure2. Common-ModeRejectionvs FrequencyFigure3. Power-SupplyRejectionvs FrequencyFigure4. TotalOutputErrorvs VINO utputerroris essentiallyindependentbothof V+ TotalOutputErrorvs Power-SupplyVoltageFigure6.

7 QuiescentCurrentvs Power-SupplyVoltage20 = = 1000V10 s/div1VG = 500V2VG = 100V8 INA139,INA169 SBOS181F DECEMBER2000 :INA139 INA169 SubmitDocumentationFeedbackCopyright 2000 2017,TexasInstrumentsIncorporatedTypical Characteristics(continued)at TA= 25 C, V+ = 5 V, VIN+= 12 V, and RL= 125 k , StepResponseFigure8. StepResponseOUTMAXINV V OUTMAXININV VVV +VIN+VIN-V+OUTGNDC opyright 2017, Texas Instruments Incorporated9 INA139, DECEMBER2000 REVISEDFEBRUARY2017 ProductFolderLinks:INA139 INA169 SubmitDocumentationFeedbackCopyright 2000 2017,TexasInstrumentsIncorporated7 INA139and INA169devicesare comprisedof a highvoltage,precisionoperationalamplifie r,precisionthinfilm resistorstrimmedin productionto an absolutetoleranceand a low INA139andINA169devicescan be poweredfroma singlepowersupplyand theirinputvoltagescan exceedthe INA139and INA169devicesare idealfor measuringsmalldifferentialvoltages,sucha sthosegeneratedacrossa shuntresistorin the presenceof large, theFunctionalBlockDiagram, whichillustratesthe functionalcomponentswithinboththe INA139and outputof the INA139is a current,whichis convertedto a voltageby the loadresistor(RL).

8 The outputcurrentremainsaccuratewithinthecom pliancevoltagerangeof the shuntvoltageand theinputcommon-modeand power-supplyvoltageslimit the maximumoutputvoltagecomplianceis limitedby the lowerof Equation1 and Equation2.(1)or whicheveris lower(2)10 INA139,INA169 SBOS181F DECEMBER2000 :INA139 INA169 SubmitDocumentationFeedbackCopyright 2000 2017,TexasInstrumentsIncorporatedFeature Description(continued) affectedby the valueof the loadresistor(RL). Highgainproducedby highvaluesofRLyielda narrowermeasurementbandwidth(seetheTypic alCharacteristicsgraphs).For widestpossiblebandwidth,keepthe capacitiveloadon the outputto a bandwidthdue to capacitiveloadis shownin bandwidthlimiting(filtering)is desired,a capacitorcan be addedto the output(seeFigure12). properoperationthe INA139and theirspecifiedpowersupplyvoltagerangeor theirspecifiedcommon-moderangeresultsinu nexpectedbehaviorand is not outputbeyondtheirspecifiedlimitswithresp ectto powersupplyvoltageand inputcommon-modevoltagewill also theElectricalCharacteristicstablefor devicespecifications.

9 OUTSSLV IR1000 A / V R OmININIgVV 11 INA139, DECEMBER2000 REVISEDFEBRUARY2017 ProductFolderLinks:INA139 INA169 SubmitDocumentationFeedbackCopyright 2000 2017,TexasInstrumentsIncorporated8 Applicationand ImplementationNOTEI nformationin the followingapplicationssectionsis not partof the TI componentspecification,and TI doesnot warrantits accuracyor s customersareresponsiblefor determiningsuitabilityof componentsfor test theirdesignimplementationto illustratesthe basiccircuitdiagramfor boththe INA139and drawnfromsupplyVSthroughshuntresistorRS. The voltagedropin shuntresistorVSis forcedacrossRG1by the internaloperationalamplifier,causingcurr entto flow into the collectorof Q1. The externalresistorRLconvertsthe outputcurrentto a voltage,VOUT, at the transferfunctionfor the INA139is givenby Equation3:where gm= 1000 A/V(3)In the circuitof Figure9, the inputvoltage(VIN+ VIN ) is equalto IS RSand the outputvoltage(VOUT) is equalto IO RL.

10 The transconductance(gm) of the INA139is 1000 A/V. The completetransferfunctionfor the currentmeasurementamplifierin this applicationis givenby Equation4:(4)The maximumdifferentialinputvoltagefor accuratemeasurementsis V, whichproducesa 500- A differentialinputvoltageof up to 2 V will not (pins3 and 4)mustbe unipolarwith a more-positivevoltageappliedto pin 3. If a more-negativevoltageis appliedto pin 3, theoutputcurrent,IO, is zero,but it will not 2017, Texas Instruments IncorporatedVOLTAGE GAINEXACT RL( )NEAREST 1% RL( ) +VO LoadRG11k RG21k VIN+VIN 34 ISV+5V+ power can becommon orindependent ofload V (V+) 40 V(1)VPLoad Power V to 40 V(1)Copyright 2017, Texas Instruments Incorporated12 INA139,INA169 SBOS181F DECEMBER2000 :INA139 INA169 SubmitDocumentationFeedbackCopyright 2000 2017,TexasInstrumentsIncorporatedApplica tionInformation(continued)(1)For the INA169device,maximumVPand V+ voltageis 60 INA139is designedfor currentshuntmeasurementcircuits,as shownin Figure9, but its basicfunctionisusefulin a widerangeof creativeengineerwill find manyunforeseenusesin measurementand few ideasare illustratedin Figure14 Drivean ADC(1)Bufferof ampdrivesthe A/D converterwithouteffectinggainFigure10.