LM35 Precision Centigrade Temperature Sensors datasheet ...

1 lm35 +VSR1 VOUT tVSLM35+VS(4 V to 20 V)OUTPUT0 mV + mV/ CProductFolderOrderNowTechnicalDocuments Tools &SoftwareSupport &CommunityAn IMPORTANTNOTICEat the end of this datasheetaddressesavailability,warranty, changes,use in safety-criticalapplications,intellectual propertymattersand AUGUST1999 REVISEDDECEMBER2017LM35 PrecisionCentigradeTemperatureSensors11 Features1 CalibratedDirectlyin Celsius( Centigrade ) Linear+ 10-mV/ C ScaleFactor C EnsuredAccuracy(at 25 C) Ratedfor Full 55 C to 150 C Range Suitablefor RemoteApplications Low-CostDue to Wafer-LevelTrimming OperatesFrom4 V to 30 V LessThan60- A CurrentDrain Low Self-Heating, C in Still Air Non-LinearityOnly C Typical Low-ImpedanceOutput, for 1-mALoad2 Applications PowerSupplies BatteryManagement HVAC Appliances3 DescriptionTheLM35seriesareprecisioninte grated-circuittemperaturedeviceswithan outputvoltagelinearly-proportionalto Kelvin.

2 As the useris not requiredto subtracta largeconstantvoltagefromthe outputto requireanyexternalcalibrationor trimmingto providetypicalaccuraciesof C at roomtemperatureand Covera full 55 C to 150 C assuredby trimmingandcalibrationat low-outputimpedance,linearoutput,and preciseinherentcalibrationof the LM35devicemakesinterfacingto readoutor deviceis usedwith singlepowersupplies,or theLM35devicedrawsonly 60 A fromthe supply,it hasvery low self-heatingof less C in still air. TheLM35deviceis ratedto operateovera 55 C to150 C temperaturerange,whilethe lm35 Cdeviceisratedfor a 40 C to 110 C range( 10 withimprovedaccuracy).

3 TheLM35-seriesdevicesareavailablepackage din hermeticTOtransistorpackages,whilethe LM35C,LM35CA,and lm35 Ddevicesare availablein the lm35 Ddeviceis availablein an 8-leadsurface-mountsmall-outlinepackagea nda (1)PARTNUMBERPACKAGEBODYSIZE(NOM)LM35TO- CAN(3) (3) (8) (3) (1) For all availablepackages,see the orderableaddendumatthe end of the (2 C to 150 C)Full-RangeCentigradeTemperatureSensorC hooseR1= VS/ 50 AVOUT= 1500mV at 150 CVOUT= 250 mV at 25 CVOUT= 550 mV at 55 C2LM35 SNIS159H AUGUST1999 : lm35 SubmitDocumentationFeedbackCopyright 1999 2017,TexasInstrumentsIncorporatedTableof Contents1 Pin Configurationand :LM35A, :LM35A, : lm35 ,LM35C, : lm35 ,LM35C, Applicationand Deviceand Mechanical,Packaging,and RevisionHistoryChangesfromRevisionG (August2016)to RevisionHPage ChangedNDVP ackage(TO-CAN)pinoutfrombottomviewbackto top view;addedtextnoteto Addedpin numbersto the TO-CAN(TO46) (January2016)to RevisionGPage Equation1, changedFrom:10 mV/ F To: 10mv/ C.

4 13 PowerSupplyRecommendations, changedFrom:"4-V to " To: "4-V to 30-Vpowersupply:..19 ChangesfromRevisionE (January2015)to RevisionFPage ChangedNDVP ackage(TO-CAN)pinoutfromTop Viewto (October2013)to RevisionEPage AddedPinConfigurationandFunctionssection ,ESDR atingstable,FeatureDescriptionsection,De viceFunctionalModes,ApplicationandImplem entationsection,PowerSupplyRecommendatio nssection,Layoutsection,DeviceandDocumen tationSupportsection,andMechanical,Packa ging, (July2013)to RevisionDPage ChangedWto ..1 ChangedWto +VSVOUTGNDLM35DT123+ +VSVOUTGND321(1) +VS (2) VOUT (3) GND AUGUST1999 REVISEDDECEMBER2017 ProductFolderLinks: lm35 SubmitDocumentationFeedbackCopyright 1999 2017,TexasInstrumentsIncorporated5 Pin Configurationand FunctionsNDVP ackage3-PinTO-CAN(TopView)Caseis connectedto negativepin (GND)Referthe secondNDV0003 HpageforreferenceD Package8-PINSOIC(TopView) No connectionLP Package3-PinTO-92(BottomView)NEBP ackage3-PinTO-220(TopView)Tab is connectedto the negativepin(GND).

5 NOTE:The lm35 DTpinoutis differentthanthe discontinuedLM35 DPPin 2 No Connection 3 GND3324 GROUNDD evicegroundpin, connectto 5 No Connection 6 7+VS1118 POWERP ositivepowersupplypin4LM35 SNIS159H AUGUST1999 : lm35 SubmitDocumentationFeedbackCopyright 1999 2017,TexasInstrumentsIncorporated(1)If Military/Aerospacespecifieddevicesare required,pleasecontactthe TexasInstrumentsSalesOffice/Distributors for availabilityandspecifications.(2)Absolut eMaximumRatingsindicatelimitsbeyondwhich damageto the devicemay and AC electricalspecificationsdo notapplywhenoperatingthe devicebeyondits (unlessotherwisenoted)(1)(2)MINMAXUNITS upplyvoltage 16 VOutputcurrent10mAMaximumJunctionTempera ture,TJmax150 CStorageTemperature,TstgTO-CAN,TO-92 Package 60150 CTO-220,SOICP ackage 65150(1)JEDEC documentJEP155statesthat 500-VHBM allowssafe manufacturingwith a (ESD)ElectrostaticdischargeHuman-bodymod el(HBM),per ANSI/ESDA/JEDECJS-001(1) (unlessotherwisenoted)MINMAXUNITS pecifiedoperatingtemperature.

6 TMINtoTMAXLM35,LM35A 55150 CLM35C,LM35CA 40110LM35D0100 SupplyVoltage(+VS)430V(1)For moreinformationabouttraditionaland new thermalmetrics,see theICPackageThermalMetricsapplicationrep ort,SPRA953.(2)For additionalthermalresistanceinformation, (1)(2) lm35 UNITNDVLPDNEB3 PINS8 PINS3 PINSR JAJunction-to-ambientthermalresistance40 018022090 C/WR JC(top)Junction-to-case(top)thermalresis tance24 AUGUST1999 REVISEDDECEMBER2017 ProductFolderLinks: lm35 SubmitDocumentationFeedbackCopyright 1999 2017,TexasInstrumentsIncorporated(1)Test edLimitsare ensuredand 100%testedin production.(2)DesignLimitsare ensured(but not 100%productiontested)overthe indicatedtemperatureand usedto calculateoutgoingqualitylevels.

7 (3)Accuracyis definedas the errorbetweenthe outputvoltageand 10 mv/ C timesthe casetemperatureof the device,at specifiedconditionsof voltage,current,and Temperature (expressedin C).(4)Non-linearityis definedas the deviationof the output-voltage-versus-temperaturecurvefr omthe best-fitstraightline, overthe ratedtemperaturerangeof the device.(5)Regulationis measuredat constantjunctiontemperature,usingpulsete stingwith a low duty outputdue to heatingeffectscan be computedby multiplyingthe internaldissipationby the thermalresistance.(6)Quiescentcurrentis definedin the circuitof :LM35A, lm35 CALimitsUnlessotherwisenoted,thesespecif icationsapply: 55 C TJ 150 C for the LM35and LM35A; 40 C TJ 110 C for theLM35 Cand LM35CA;and 0 C TJ 100 C for the 5 Vdc and ILOAD= 50 A, in the circuitof Full-RangeCentigradeTemperatureSensor.

8 Thesespecificationsalso applyfrom2 C to TMAXin the circuitof (1)DESIGNLIMIT(2)TYPTESTEDLIMIT(1)DESIGN LIMIT(2)Accuracy(3)TA= 25 C CTA= 10 C 1TA= TMAX 1 1TA= TMIN 1 (4)TMIN TA TMAX, 40 C TJ 125 C CSensorgain(averageslope)TMIN TA C 40 C TJ 125 (5)0 IL 1 mATA= 25 C 1 1mV/mATMIN TA TMAX, 40 C TJ 125 C 3 3 Line regulation(5)TA= 25 C V VS 30 V, 40 C TJ 125 C (6)VS= 5 V, 25 C56675667 AVS= 5 V, 40 C TJ 125 C10513191114VS= 30 V, 25 30 V, 40 C TJ 125 quiescentcurrent(5)4 V VS 30 V, 25 A4 V VS 30 V, 40 C TJ 125 40 C TJ 125 A/ CMinimumtemperaturefor rate accuracyIn circuitof Figure14, IL= CLongtermstabilityTJ= TMAX, for 1000hours C6LM35 SNIS159H AUGUST1999 : lm35 SubmitDocumentationFeedbackCopyright 1999 2017,TexasInstrumentsIncorporated(1)Accu racyis definedas the errorbetweenthe outputvoltageand 10 mv/ C timesthe casetemperatureof the device,at specifiedconditionsof voltage,current,and Temperature (expressedin C).

9 (2)TestedLimitsare ensuredand 100%testedin production.(3)DesignLimitsare ensured(but not 100%productiontested)overthe indicatedtemperatureand usedto calculateoutgoingqualitylevels.(4)Non-li nearityis definedas the deviationof the output-voltage-versus-temperaturecurvefr omthe best-fitstraightline, overthe ratedtemperaturerangeof the device.(5)Regulationis measuredat constantjunctiontemperature,usingpulsete stingwith a low duty outputdue to heatingeffectscan be computedby multiplyingthe internaldissipationby the :LM35A, lm35 CAUnlessotherwisenoted,thesespecificatio nsapply: 55 C TJ 150 C for the LM35and LM35A; 40 C TJ 110 C for theLM35 Cand LM35CA;and 0 C TJ 100 C for the 5 Vdc and ILOAD= 50 A, in the circuitof Full-RangeCentigradeTemperatureSensor.

10 Thesespecificationsalso applyfrom2 C to TMAXin the circuitof (1)TA= 25 C CTestedLimit(2) (3)TA= 10 C (2)DesignLimit(3) 1TA= TMAX (2) 1 1 DesignLimit(3)TA= TMIN (2) 1 DesignLimit(3) (4)TMIN TA TMAX, 40 C TJ 125 C CTestedLimit(2)DesignLimit(3) (averageslope)TMIN TA TMAX1010mV/ CTestedLimit(2) (3) 40 C TJ 125 C1010 TestedLimit(2) (3) (5)0 IL 1 mATA= 25 C (2) 1 1 DesignLimit(3)TMIN TA TMAX, 40 C TJ 125 C (2)DesignLimit(3) 3 3 Line regulation(5)TA= 25 C (2) (3)4 V VS 30 V, 40 C TJ 125 C (2)DesignLimit(3) AUGUST1999 REVISEDDECEMBER2017 ProductFolderLinks: lm35 SubmitDocumentationFeedbackCopyright 1999 2017,TexasInstrumentsIncorporatedElectri calCharacteristics:LM35A,LM35CA(continue d)Unlessotherwisenoted,thesespecificatio nsapply: 55 C TJ 150 C for the LM35and LM35A; 40 C TJ 110 C for theLM35 Cand LM35CA;and 0 C TJ