µA741 General-Purpose Operational Amplifiers

1 IN +IN OUT+ OFFSET N1 OFFSET N2 ProductFolderOrderNowTechnicalDocumentsT ools &SoftwareSupport &CommunityAn IMPORTANTNOTICEat the end of this datasheetaddressesavailability,warranty, changes,use in safety-criticalapplications,intellectual propertymattersand NOVEMBER1970 REVISEDJANUARY2018 A741 General-PurposeOperationalAmplifiers11 Features1 Short-CircuitProtection Offset-VoltageNull Capability LargeCommon-Modeand DifferentialVoltageRanges No FrequencyCompensationRequired No Latch-Up2 Applications DVDR ecordersand Players Pro AudioMixers3 DescriptionThe A741deviceis a general-purposeoperationalamplifierfeatu ringoffset-voltagenull highcommon-modeinputvoltagerangeand theabsenceof latch-upmakethe low-valuepotentiometermaybeconnectedbetw eenthe offsetnull inputsto null outthe offsetvoltageas shownin A741 Cdeviceis characterizedfor operationfrom0 C to 70 (1)PARTNUMBERPACKAGEBODYSIZE(NOM) A741 CDSOIC(8) A741 CPPDIP(8) A741 CPSSO (8) (1) For all availablepackages,see the orderableaddendumatthe end of the NOVEMBER1970 :uA741 SubmitDocumentationFeedbackCopyright 1970 2018,TexasInstrumentsIncorporatedTableof Contents1 Pin Configurationsand : : : : Applicationand Deviceand Mechanical,Packaging,and RevisionHistoryChangesfromRevisionF (May2017)to RevisionGPage Changedsupplyvoltageunit from" C" to "V" (January2015)to RevisionFPage Updateddatasheettext to the latestdocumentationand Deletedtext regarding A741 Mdevice(obsoletepackage) Added A741CD, A741CP,and Deleted UpdatedpinoutdiagramsandPin Functionstablesin thePin Configurationsand Deleted A741 MpinoutdrawingsinformationfromPin Configurationsand DeletedElectricalCharacteristics.

2 Addedoperatingjunctiontemperature(TJ) and Deletedtext regarding Deletedtext regarding AddedThermalInformationtableand Deleted Correcttypo in Figure1 ..8 Deletedtext regarding Updatedtext Addedcaptionto Figure11 Changedpins 1 and 5 from"NC" to "OffsetN1" and "OffsetN2" in NOVEMBER1970 REVISEDJANUARY2018 ProductFolderLinks:uA741 SubmitDocumentationFeedbackCopyright 1970 2018,TexasInstrumentsIncorporatedChanges fromRevisionD (February2014)to RevisionEPage AddedApplications,DeviceInformationtable ,Pin Functionstable,ESDR atingstable,ThermalInformationtable,Feat ureDescriptionsection,DeviceFunctionalMo des,Applicationand Implementationsection,PowerSupplyRecomme ndationssection,Layoutsection,Deviceand DocumentationSupportsection,andMechanica l,Packaging,and (January2014)to RevisionDPage FixedTypicalCharacteristicsgraphsto (September2000)to RevisionCPage Updateddocumentto new TI datasheetformat- no N18 NC2IN 7 VCC+3IN+6 OUT4 VCC 5 OFFSET N2 Not to scale4uA741 SLOS094G NOVEMBER1970.

3 UA741 SubmitDocumentationFeedbackCopyright 1970 2018,TexasInstrumentsIncorporated5 Pin Configurationsand FunctionsuA741CD, P, or PS Package8-PinSOIC,PDIP,SOTop ViewNC- no internalconnectionPin +3 INoninvertinginputIN 2 IInvertinginputNC8 No internalconnectionOFFSETN11 IExternalinputoffsetvoltageadjustmentOFF SETN25 IExternalinputoffsetvoltageadjustmentOUT 6 OOutputVCC+7 PositivesupplyVCC 4 NOVEMBER1970 REVISEDJANUARY2018 ProductFolderLinks:uA741 SubmitDocumentationFeedbackCopyright 1970 2018,TexasInstrumentsIncorporated(1)Stre ssesbeyondthoselistedunderAbsoluteMaximu mRatingsmay causepermanentdamageto the stressratingsonly,and functionaloperationof the deviceat theseor any otherconditionsbeyondthoseindicatedunder RecommendedOperatingConditionsis not absolute-maximum-ratedconditionsfor extendedperiodsmay affectdevicereliability.(2)All voltagevalues,unlessotherwisenoted,are with respectto the midpointbetweenVCC+and VCC .(3)Differentialvoltagesare at IN+ with respectto IN.

4 (4)The magnitudeof the inputvoltagemustneverexceedthe magnitudeof the supplyvoltageor 15 V, whicheveris less.(5)The outputmay be shortedto groundor (unlessotherwisenoted)(1)MINMAXUNITS upplyvoltage,VCC(2) A741C 1818 VDifferentialinputvoltage,VID(3) A741C 1515 VInputvoltage,VI(anyinput)(2)(4) A741C 1515 VVoltagebetweenoffsetnull (eitherOFFSETN1 orOFFSETN2) and VCC A741C 1515 VDurationof outputshortcircuit(5)UnlimitedContinuous total powerdissipationSeeThermalInformationCas etemperaturefor 60 seconds A741CN/AN/A mm (1/16inch)fromcasefor 60 seconds A741CN/AN/A mm (1/16inch)fromcasefor 10secondsD, P, or PS package A741C260 COperatingjunctiontemperature,TJ150 CStoragetemperaturerange,Tstg A741C 65150 +Supplyvoltage515 VVCC 5 15 TAOperatingfree-airtemperature A741C070 C(1)For moreinformationabouttraditionaland new thermalmetrics,see theSemiconductorand IC (1) A741 UNITD (SOIC)P (PDIP)PS (SO)8 PINS8 PINS8 PINSR C/WR JC(top)Junction-to-case(top) C/WR C/W C/W C/W6uA741 SLOS094G NOVEMBER1970.

5 UA741 SubmitDocumentationFeedbackCopyright 1970 2018,TexasInstrumentsIncorporated(1)All characteristicsare measuredunderopen-loopconditionswith rangefor the A741 Cis 0 C to 70 C.(2)This typicalvalueappliesonly at frequenciesabovea few hundredhertzbecauseof the effectsof drift and : A741 Cat specifiedvirtualjunctiontemperature,VCC = 15 V (unlessotherwisenoted)PARAMETERTESTCONDI TIONS(1)MINTYPMAXUNITVIOI nputoffsetvoltageVO= 025 C16mVFull VIO(adj)OffsetvoltageadjustrangeVO= 025 C 15mVIIOI nputoffsetcurrentVO= 025 C20200nAFull range300 IIBI nputbias currentVO= 025 C80500nAFull range800 VICRC ommon-modeinputvoltagerange25 C 12 13 VFull range 12 VOMM aximumpeakoutputvoltageswingRL= 10 k 25 C 12 14 VRL 10 k Full range 12RL= 2 k 25 C 10RL 2 k Full range 10 AVDL arge-signaldifferentialvoltageamplificat ionRL 2 k 25 C20200V/mVVO= 10 VFull range15riInputresistance25 roOutputresistanceVO= 0; see(2)25 C75 CiInputcapacitance25 VICRmin25 C7090dBFull range70kSVSS upplyvoltagesensitivity( VIO/ VCC)VCC= 9 V to 15 V25 C30150 V/VFull range150 IOSS hort-circuitoutputcurrent25 C 25 40mAICCS upplycurrentVO= 0.

6 No load25 0; no load25 C5085mWFull NOVEMBER1970 REVISEDJANUARY2018 ProductFolderLinks:uA741 SubmitDocumentationFeedbackCopyright 1970 2018,TexasInstrumentsIncorporated(1)This typicalvalueappliesonly at frequenciesabovea few hundredhertzbecauseof the effectsof drift and thermalfeedback.(2)All characteristicsare measuredunderopen-loopconditionswith : A741 Yat specifiedvirtualjunctiontemperature,VCC = 15 V, TA= 25 C (unlessotherwisenoted)(1)PARAMETERTESTCO NDITIONS(2)MINTYPMAXUNITVIOI nputoffsetvoltageVO= 015mV VIO(adj)OffsetvoltageadjustrangeVO= 0 15mVIIOI nputoffsetcurrentVO= 020200nAIIBI nputbias currentVO= 080500nAVICRC ommon-modeinputvoltagerange 12 13 VVOMM aximumpeakoutputvoltageswingRL= 10 k 12 14 VRL= 2 k 10 13 AVDL arge-signaldifferentialvoltageamplificat ionRL 2 k 20200 roOutputresistanceVO= 0; see(1)75 VICRmin7090dBkSVSS upplyvoltagesensitivity( VIO/ VCC)VCC= 9 V to 15 V30150 V/VIOSS hort-circuitoutputcurrent 25 40mAICCS upplycurrentVO= 0; no 0; no : A741 Coveroperatingfree-airtemperaturerange,V CC = 15 V, TA= 25 C (unlessotherwisenoted)PARAMETERTESTCONDI TIONSMINTYPMAXUNITtrRisetimeVI= 20 mV, RL= 2 k CL= 100 pF; see sOvershootfactor5%SRSlewrate at unitygainVI= 10 V, RL= 2 k CL= 100 pF.

7 See : A741 Yoveroperatingfree-airtemperaturerange,V CC = 15 V, TA= 25 C (unlessotherwisenoted)PARAMETERTESTCONDI TIONSMINTYPMAXUNITtrRisetimeVI= 20 mV, RL= 2 k CL= 100 pF; see sOvershootfactor5%SRSlewrate at unitygainVI= 10 V, RL= 2 k CL= 100 pF; see sV 20f Frequency Hz1M100k10k1kOM Maximum Peak Output Voltage V 18 16 14 12 10 8 6 4 20 VCC+= 15 VVCC = 15 VRL= 10 k!TA= 25 C100 VRL Load Resistance k! 4 5 6 7 8 9 10 11 12 13 14 VCC+= 15 VVCC = 15 VTA= 25 COM Maximum Peak Output Voltage VITA Free-Air Temperature C12080400 4020IO Input Offset Current nAVCC = 15 VVCC+= 15 V90705030100406080100 60 202060100140400300200100004080120TA Free-Air Temperature CIIB Input Bias Current nAVCC = 15 VVCC+= 15 V35025015050 40 60 202060100140 INPUT VOLTAGEWAVEFORMTEST CIRCUITRL= 2 k CL= 100 pFOUTIN+ 0 VVI8uA741 SLOS094G NOVEMBER1970 :uA741 SubmitDocumentationFeedbackCopyright 1970 2018, high and low temperaturesare applicableonly withinthe ratedoperatingfree-airtemperaturerangeso f the RiseTime,Overshoot,and SlewRateFigure2.

8 InputOffsetCurrentvs Free-AirTemperatureFigure3. InputBiasCurrentvs Free-AirTemperatureFigure4. MaximumOutputVoltagevs LoadResistanceFigure5. MaximumPeakOutputVoltagevs Frequency86420 2 4 69080706050403020100 Input and Output Voltage Vt Time ms 8 VOVIVCC+= 15 VVCC = 15 VRL= 2 k!CL= 100 pFTA= 25 CCMRR Common-Mode Rejection Ratio dBf Frequency Hz10k1M100M10010102030405060708090100 VCC+= 15 VVCC = 15 VBS= 10 k!TA= 25 C10% Output Voltage mVt Time- s 4VO90%VCC+= 15 VVCC = 15 VRL= 2 k!CL= 100 pFTA= 25 Cf Frequency Hz10M1M10k1001 1001020708090100110VO= 10 VRL= 2 k!TA= 25 CAVD Open-Loop Signal DifferentialVoltage Amplification dB101k100k60503040 VCC+= 15 VVCC = 15 V20181614121086424002001004020100 VCC Supply Voltage VVO= 10 VRL= 2 k!TA= 25 CAVD Open-Loop Signal DifferentialVoltage Amplification NOVEMBER1970 REVISEDJANUARY2018 ProductFolderLinks:uA741 SubmitDocumentationFeedbackCopyright 1970 2018,TexasInstrumentsIncorporatedTypical Characteristics(continued)Dataat high and low temperaturesare applicableonly withinthe ratedoperatingfree-airtemperaturerangeso f the Open-LoopSignalDifferentialVoltageAmplif icationvs SupplyVoltageFigure7.

9 Open-LoopLarge-SignalDifferentialVoltage Amplificationvs FrequencyFigure8. Common-ModeRejectionRatiovs FrequencyFigure9. OutputVoltagevs ElapsedTimeFigure10. Voltage-FollowerLarge-SignalPulseRespons eIN IN+VCC+VCC OUTOFFSET N1 OFFSET N2 Transistors 22 Resistors11 Diode1 Capacitor1 Component CountCopyright 2017, Texas Instruments Incorporated10uA741 SLOS094G NOVEMBER1970 :uA741 SubmitDocumentationFeedbackCopyright 1970 2018,TexasInstrumentsIncorporated7 A741has beena popularoperationalamplifierfor overfour 106 dBwhiledrivinga 2000- ,offsetvoltagetrimming,and unity-gainstabilitymakesthe A741usefulfor CapabilityTheinputoffsetvoltageof operationalamplifiers(op amps)arisesfromunavoidablemismatchesin thedifferentialinputstageof the op-ampcircuitcausedby mismatchedtransistorpairs,collectorcurre nts,current-gainbetas( ), collectoror emitterresistorsand so inputoffsetpinsallowthe designerto adjustformismatchescausedby moredetailson PAD ASSIGNMENTSCHIP THICKNESS: 15 TYPICALBONDING PADS: 4 4 MINIMUMTJmax= 150 ARE 10%.

10 ALL DIMENSIONS ARE IN MILS.+ OUTIN+IN VCC+(7)(3)(2)(6)(4)VCC (5)(1)OFFSET N2 OFFSET N14536(1)(8)(7)(6)(5)(4)(3)(2) NOVEMBER1970 REVISEDJANUARY2018 ProductFolderLinks:uA741 SubmitDocumentationFeedbackCopyright 1970 2018,TexasInstrumentsIncorporatedFeature Description(continued) slewrate is the rate at whichan operationalamplifiercan changean outputwhenthereis a changeon A741devicehas a s varysignificantlywith operatingvoltagesortemperatureare A741deviceis poweredon whenthe powersupplyis devicecan operateas a single-supplyor dual-supplyoperationalamplifierdepending on the A741 YChipInformationWhenproperlyassembled,th is chip displayscharacteristicssimilarto the ultrasonicbondingmay be usedon the be mountedwith conductiveepoxyor a BondingPad Assignments12 V+VINVOUT10 k To VCC OFFSET N110 k OFFSET N2+ OUTIN+IN 12uA741 SLOS094G NOVEMBER1970 :uA741 SubmitDocumentationFeedbackCopyright 1970 2018,TexasInstrumentsIncorporated8 Applicationand ImplementationNOTEI nformationin the followingapplicationssectionsis not partof the TI componentspecification,and TI doesnot warrantits accuracyor s customersareresponsiblefor determiningsuitabilityof componentsfor test theirdesignimplementationto operationalamplifiers(op amps)arisesfromunavoidablemismatchesin thedifferentialinputstageof the op-ampcircuitcausedby mismatchedtransistorpairs,collectorcurre nts,current-gainbetas( ), collectoror emitterresistorsand so inputoffsetpinsallowthe designerto be adjustedby placingresistorsor apotentiometerbetweenthe inputsas shownin Figure12.