1 Features 3 Description 2 Applications - TI.com

1 LM741-+V-V++VsupplyR1 VinputOutputR2-VsupplyProductFolderSampl e &BuyTechnicalDocumentsTools &SoftwareSupport &CommunityLM741 SNOSC25D MAY1998 REVISEDOCTOBER2015LM741 OperationalAmplifier1 Features3 DescriptionTheLM741seriesare general-purposeoperational1 OverloadProtectionon the Inputand Outputamplifierswhichfeatureimprovedperf ormanceover No Latch-UpWhenthe Common-ModeRangeisindustrystandardslike the direct,Exceededplug-inreplacementsfor the 709C,LM201,MC1439,and 748 in ApplicationsThe amplifiersoffermanyfeatureswhichmakethei r Comparatorsapplicationnearlyfoolproof:ov erloadprotectiononthe inputand output,no latch-upwhenthe common- Multivibratorsmoderangeis exceeded,as wellas freedomfrom DC Amplifiersoscillations. SummingAmplifiersThe LM741 Cis identicalto the LM741and LM741A Integratoror DifferentiatorsexceptthattheLM741 Chastheirperformance ActiveFiltersensuredovera 0 C to +70 C temperaturerange,insteadof 55 C to +125 (1)PARTNUMBERPACKAGEBODYSIZE(NOM)TO-99(8 ) (8) (8) (1) For all availablepackages,see the orderableaddendumatthe end of the IMPORTANTNOTICEat the end of this datasheetaddressesavailability,warranty, changes,use in safety-criticalapplications,intellectual propertymattersand MAY1998 Applicationand Pin Configurationand Deviceand , , , Mechanical,Packaging,and RevisionHistoryNOTE.

2 Pagenumbersfor previousrevisionsmay differfrompagenumbersin the (October2004)to RevisionDPage AddedApplicationssection,Pin Configurationand Functionssection,ESDR atingstable,FeatureDescriptionsection,De viceFunctionalModes,Applicationand Implementationsection,PowerSupplyRecomme ndationssection,Layoutsection,Deviceand DocumentationSupportsection,andMechanica l,Packaging,and RemovedobseleteM (S0-8)packagefromthe (March2013)to RevisionDPage AddedApplicationssection,Pin Configurationand Functionssection,ESDR atingstable,FeatureDescriptionsection,De viceFunctionalModes,Applicationand Implementationsection,PowerSupplyRecomme ndationssection,Layoutsection,Deviceand DocumentationSupportsection,andMechanica l,Packaging,and RemovedobseleteM (S0-8)packagefromthe 1998 2015, MAY1998 REVISEDOCTOBER20155 Pin Configurationand FunctionsLMCP ackageNABP ackage8-PinTO-998-PinCDIPor PDIPTop ViewTop ViewLM741 His availableper JM38510/10101 Pin Connect,shouldbe left floatingNONINVERTING3 INoninvertingsignalinputINPUTOFFSETNULL1 , 5 IOffsetnull pin usedto eliminatethe offsetvoltageand balancethe +7 IPositivesupplyvoltageV 4 INegativesupplyvoltageCopyright 1998 2015,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback3 ProductFolderLinks.

3 LM741LM741 SNOSC25D MAY1998 (unlessotherwisenoted)(1)(2)(3)MINMAXUNI TLM741,LM741A 22 SupplyvoltageVLM741C 18 Powerdissipation(4)500mWDifferentialinpu tvoltage 30 VInputvoltage(5) 15 VOutputshortcircuitdurationContinuousLM7 41,LM741A 50125 Operatingtemperature CLM741C070LM741,LM741A150 Junctiontemperature CLM741C100 PDIP package(10 seconds)260 CSolderinginformationCDIPor TO-99package(10 seconds)300 CStoragetemperature,Tstg 65150 C(1)StressesbeyondthoselistedunderAbsolu teMaximumRatingsmay causepermanentdamageto the stressratingsonly,whichdo not implyfunctionaloperationof the deviceat theseor any otherconditionsbeyondthoseindicatedunder RecommendedOperatingConditions. Exposureto absolute-maximum-ratedconditionsfor extendedperiodsmay affectdevicereliability.(2)For militaryspecificationssee RETS741 Xfor LM741and RETS741 AXfor LM741A.(3)If Military/Aerospacespecifieddevicesare required,pleasecontactthe TI SalesOffice/Distributorsfor availabilityand specifications.

4 (4)For operationat elevatedtemperatures,thesedevicesmustbe deratedbasedon thermalresistance,and Tjmax.(listedunder AbsoluteMaximumRatings ). Tj= TA+ ( jAPD).(5)For supplyvoltagesless than 15 V, the absolutemaximuminputvoltageis equalto the (ESD)ElectrostaticdischargeHumanbodymode l(HBM),per ANSI/ESDA/JEDECJS-001(1) 400V(1)Levellistedaboveis the passinglevelper ANSI,ESDA,and 500-VHBM allowssafe manufacturingwith a (unlessotherwisenoted)MINNOMMAXUNITLM741 ,LM741A 10 15 22 Supplyvoltage(VDD-GND)VLM741C 10 15 18LM741,LM741A 55125 Temperature (1)LMC(TO-99)NAB(CDIP)P (PDIP)UNIT8 PINS8 PINS8 PINSR JAJunction-to-ambientthermalresistance17 0100100 C/WR JC(top)Junction-to-case(top)thermalresis tance25 C/W(1)For moreinformationabouttraditionaland new thermalmetrics,see theSemiconductorand IC PackageThermalMetricsapplicationreport, 1998 2015, MAY1998 ,LM741(1)PARAMETERTESTCONDITIONSMINTYPMA XUNITTA= 25 C15mVInputoffsetvoltageRS 10 k TAMIN TA TAMAX6mVInputoffsetvoltageTA= 25 C, VS= 20 V 15mVadjustmentrangeTA= 25 C20200 InputoffsetcurrentnATAMIN TA TAMAX85500TA= 25 C80500nAInputbias currentTAMIN TA AInputresistanceTA= 25 C, VS= 20 InputvoltagerangeTAMIN TA TAMAX 12 13 VTA= 25 C50200VS= 15 V, VO= 10 V, RL 2 LargesignalvoltagegainV/mVk TAMIN TA TAMAX25RL 10 k 12 14 OutputvoltageswingVS= 15 VVRL 2 k 10 13 OutputshortcircuitcurrentTA= 25 C25mACommon-moderejectionratioRS 10 , VCM= 12 V, TAMIN TA TAMAX8095dBSupplyvoltagerejectionratioVS = 20 V to VS= 5 V, RS 10 , TAMIN TA sTransientTA= 25 C, unitygainresponseOvershoot5%SlewrateTA= 25 C, sSupplycurrentTA= 25 25 C5085 PowerconsumptionVS= 15 VTA= TAMIN60100mWTA= TAMAX4575(1)Unlessotherwisespecified,the sespecificationsapplyfor VS= 15 V, 55 C TA +125 C (LM741/LM741A).

5 For theLM741C/LM741E,thesespecificationsare limitedto 0 C TA +70 ,LM741A(1)PARAMETERTESTCONDITIONSMINTYPM AXUNITTA= 25 50 TAMIN TA TAMAX4mVAverageinputoffsetvoltage15 V/ CdriftInputoffsetvoltageTA= 25 C, VS= 20 V 10mVadjustmentrangeTA= 25 C330 InputoffsetcurrentnATAMIN TA CcurrentdriftTA= 25 C3080nAInputbias currentTAMIN TA ATA= 25 C, VS= 20 V16 InputresistanceM TAMIN TA TAMAX, VS= 20 25 C50VS= 20 V, VO= 15 V, RL 2k LargesignalvoltagegainTAMIN TA TAMAX32V/mVVS= 5 V, VO= 2 V, RL 2 k , TAMIN TA TAMAX10(1)Unlessotherwisespecified,these specificationsapplyfor VS= 15 V, 55 C TA +125 C (LM741/LM741A).For theLM741C/LM741E,thesespecificationsare limitedto 0 C TA +70 1998 2015,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback5 ProductFolderLinks:LM741LM741 SNOSC25D MAY1998 ,LM741A(1)(continued)PARAMETERTESTCONDIT IONSMINTYPMAXUNITRL 10 k 16 OutputvoltageswingVS= 20 VVRL 2 k 15TA= 25 C102535 OutputshortcircuitcurrentmATAMIN TA TAMAX1040 Common-moderejectionratioRS 50 , VCM= 12 V, TAMIN TA TAMAX8095dBSupplyvoltagerejectionratioVS = 20 V to VS= 5 V, RS 50 , TAMIN TA sTransientTA= 25 C, unitygainresponseOvershoot6%20%Bandwidth (2)TA= 25 25 C, sTA= 25 C80150 PowerconsumptionVS= 20 VTA= TAMIN165mWTA= TAMAX135(2)Calculatedvaluefrom:BW (MHz)= ( s).

6 ,LM741C(1)PARAMETERTESTCONDITIONSMINTYPM AXUNITTA= 25 C26mVInputoffsetvoltageRS 10 k TAMIN TA 25 C, VS= 20 V 15mVadjustmentrangeTA= 25 C20200 InputoffsetcurrentnATAMIN TA TAMAX300TA= 25 C80500nAInputbias currentTAMIN TA AInputresistanceTA= 25 C, VS= 20 InputvoltagerangeTA= 25 C 12 13 VTA= 25 C20200VS= 15 V, VO= 10 V, RLLargesignalvoltagegainV/mV 2 k TAMIN TA TAMAX15RL 10 k 12 14 OutputvoltageswingVS= 15 VVRL 2 k 10 13 OutputshortcircuitcurrentTA= 25 C25mACommon-moderejectionratioRS 10 k , VCM= 12 V, TAMIN TA TAMAX7090dBSupplyvoltagerejectionratioVS = 20 V to VS= 5 V, RS 10 , TAMIN TA sTransientresponseTA= 25 C, UnityGainOvershoot5%SlewrateTA= 25 C, sSupplycurrentTA= 25 15 V, TA= 25 C5085mW(1)Unlessotherwisespecified,these specificationsapplyfor VS= 15 V, 55 C TA +125 C (LM741/LM741A).For theLM741C/LM741E,thesespecificationsare limitedto 0 C TA +70 1998 2015, MAY1998 REVISEDOCTOBER20157 LM74devicesare general-purposeoperationalamplifierswhic hfeatureimprovedperformanceoverindustrys tandardslike the is intendedfor a widerangeof high gain and widerangeofoperatingvoltageprovidesuperi orperformancein integrator,summingamplifier, LM741can operatewith a singleor LM741devicesare direct,plug-inreplacementsfor the 709C,LM201,MC1439,and 748 in LM741featuresoverloadprotectioncircuitry on the inputand the LM741is designedso that thereis no latch-upoccurrencewhenthe common-moderangeis deviceto functionproperlywithouthavingto powercyclethe LM741is pin-to-pindirectreplacementsfor the LM709C,LM201,MC1439,and LM748in designfor 1998 2015,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback7 ProductFolderLinks.

7 LM741LM741 SNOSC25D MAY1998 LM741can be operatedin an magnitudeof the open-loopgain is typicallylargethusfor a smalldifferencebetweenthe noninvertingand invertinginputterminals,the amplifieroutputwill bedrivennearthe ,the LM741can act as a the invertinginputis held at 0 V, and the inputvoltageappliedto the noninvertinginputis positive,the outputwill be the inputvoltageappliedto the noninvertinginputis negative,the outputwill be a closed-loopconfiguration,negativefeedbac kis usedby applyinga portionof the outputvoltageto open-loopconfiguration,closedloopfeedbac kreducesthe gainof the responseof the circuitis determinedby the feedbacknetworkratherthanthe responseof the operationalamplifiercircuitis characterizedby the 1998 2015,TexasInstrumentsIncorporatedProduct FolderLinks:LM741LM741-+V-V++VsupplyR1 = = MAY1998 REVISEDOCTOBER20158 Applicationand ImplementationNOTEI nformationin the followingapplicationssectionsis not partof the TI componentspecification,and TI doesnot warrantits accuracyor s customersareresponsiblefor determiningsuitabilityof componentsfor test theirdesignimplementationto LM741is a general-purposeamplifierthancan be usedin a varietyof applicationsand in a this configuration,the outputsignalis inphasewith the input(not invertedas in the invertingamplifierconfiguration),the inputimpedanceof the amplifieris high,and the outputimpedanceis low.

8 The characteristicsof the inputand outputimpedanceis beneficialforapplicationsthatrequireisol ationbetweenthe significantloadingwill occurfromthepreviousstagebeforethe gainof the systemis set accordinglyso the outputsignalis a factorlargerthanthe shownin Figure1, the signalis appliedto the noninvertinginputof the gainof the systemisdeterminedby the feedbackresistorandinputresistorconnecte dto the becalculatedby Equation1:Gain= 1 + (R2/R1)(1)The gain is set to 2 for this and R2 are 5% LM741can be operatedin eithersinglesupplyor configuredfor dualsupplywith the supplyrails at 15 V. The inputsignalis connectedto a 1-Vpp,10-kHzsine wavewas usedas the toleranceresistorswereused,but if the applicationrequiresan accurategainresponse,use 1% 1998 2015,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback9 ProductFolderLinks:LM741LM741 SNOSC25D MAY1998 (continued) waveformsin Figure2 showthe inputand outputsignalsof the (top)showsthe inputsignal,whilethe red waveform(bottom)showsthe inputsignalis and the outputsignalis resistors,the theoreticalgain of the systemis 2.

9 Due to the 5% tolerance,the gainof the systemincludingthe toleranceis gainof the systemwhenmeasuredfromthe meanamplitudevalueson the oscilloscopewas Waveformsfor LM741 NoninvertingAmplifierCircuit9 PowerSupplyRecommendationsFor properoperation,the powersuppliesmustbe decouplingthe supplylines,a Fcapacitoris recommendedand shouldbe placedas closeas possibleto the 1998 2015, MAY1998 REVISEDOCTOBER201510 withmostamplifiers,takecarewithleaddress ,componentplacement,and supplydecouplingin example,resistorsfromthe outputto an inputshouldbe placedwith the bodycloseto theinputto minimizepick-upand maximizethe frequencyof the feedbackpoleby minimizingthe capacitancefromthe inputto shownin Figure3, the feedbackresistorsand the decouplingcapacitorsare locatedcloseto the deviceto ensuremaximumstabilityand noiseperformanceof the LM741 LayoutCopyright 1998 2015,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback11 ProductFolderLinks:LM741LM741 SNOSC25D MAY1998 Deviceand followinglinksconnectto TI provided"AS IS" by the not constituteTI specificationsand do not necessarilyreflectTI's views.

10 See TI's E2E OnlineCommunityTI'sEngineer-to-Engineer( E2E) ,you can ask questions,shareknowledge,exploreideasand helpsolveproblemswith 'sDesignSupportQuicklyfind helpfulE2E forumsalongwith designsupporttoolsandcontactinformationf or is a trademarkof othertrademarksare the propertyof leadsshouldbe shortedtogetheror the deviceplacedin conductivefoamduringstorageor handlingto preventelectrostaticdamageto the TI glossarylists and explainsterms,acronyms,and Mechanical,Packaging,and OrderableInformationThe followingpagesincludemechanical,packagin g,and the mostcurrentdataavailablefor the subjectto changewithoutnoticeand revisionofthis browser-basedversionsof this datasheet,referto the 1998 2015,TexasInstrumentsIncorporatedProduct FolderLinks:LM741 PACKAGE OPTION 1 PACKAGING INFORMATIONO rderable DeviceStatus(1)Package TypePackageDrawingPinsPackageQtyEco Plan(2)Lead/Ball Finish(6)MSL Peak Temp(3)Op Temp ( C)Device Marking(4/5)SamplesLM741C-MWCACTIVEWAFER SALEYS01 Green (RoHS& no Sb/Br)Call TILevel-1-NA-UNLIM-40 to 85LM741CN/NOPBACTIVEPDIPP840 Green (RoHS& no Sb/Br)CU SNLevel-1-NA-UNLIM0 to 70LM741CN (1) The marketing status values are defined as follows:ACTIVE: Product device recommended for new : TI has announced that the device will be discontinued, and a lifetime-buy period is in : Not recommended for new designs.