LM35 高精度摄氏温度传感器 ... - Texas Instruments

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 :SNIS159LM35 ZHCSHC4H AUGUST1999 REVISEDDECEMBER2017LM35 11 1 +10mV/ C C 25 C 55 C 150 C 4V 30V 60 A C C 1mA 2 HVAC 3 LM35 LM35 LM35 C 55 C +150 C C LM35 LM35 60 A C LM35 55 C 150 C LM35C 40 C 110 C 10 LM35 TO LM35C LM35CA LM35D TO-92 LM35D 8 TO-220 (1) LM35TO-CAN(3) (3) (8) (3) (1)

2 2 C 150 C R1= VS/50 A150 C VOUT= 1500mV25 C VOUT= 250mV 55 C VOUT= 550mV2LM35 ZHCSHC4H AUGUST1999 1999 2017,TexasInstrumentsIncorporated 1 ..12 ..13 ..14 ..25 Pin Configurationand :LM35A, :LM35A, :LM35,LM35C, :LM35,LM35C, Applicationand ..214 ChangesfromRevisionG (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 ..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 ESD ..1 ChangesfromRevisionC (July2013)to RevisionDPage W.

3 1 ChangedWto +VSVOUTGNDLM35DT123+ +VSVOUTGND321(1) +VS (2) VOUT (3) GND AUGUST1999 REVISEDDECEMBER2017 Copyright 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).NOTE:The LM35 DTpinoutis differentthanthe discontinuedLM35 DPPin 2 No Connection 3 GND3324 GROUNDD evicegroundpin, connectto 5 No Connection 6 7+VS1118 POWERP ositivepowersupplypin4LM35 ZHCSHC4H AUGUST1999 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:TMINtoTMAXL M35,LM35A 55150 CLM35C,LM35CA 40110LM35D0100 SupplyVoltage(+VS)430V(1)For moreinformationabouttraditionaland new thermalmetrics,see theICPackageThermalMetricsapplicationrep ort,SPRA953.

4 (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 Copyright 1999 2017,TexasInstrumentsIncorporated(1)Test edLimitsare ensuredand 100%testedin production.(2)DesignLimitsare ensured(but not 100%productiontested)overthe indicatedtemperatureand usedto calculateoutgoingqualitylevels.(3)Accura cyis 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.

5 (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. 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 ZHCSHC4H AUGUST1999 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).

6 (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. 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 Copyright 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 100 C for the 5 Vdc and ILOAD= 50 A, in the circuitof Full-RangeCentigradeTemperatureSensor.

7 Thesespecificationsalso applyfrom2 C to TMAXin the circuitof (6)Quiescentcurrentis definedin the circuitof (6)VS= 5 V, 25 C5656 ATestedLimit(2)6767 DesignLimit(3)VS= 5 V, 40 C TJ 125 C10591 TestedLimit(2)DesignLimit(3)131114VS= 30 V, 25 (2)6868 DesignLimit(3)VS= 30 V, 40 C TJ 125 (2)DesignLimit(3)133116 Changeofquiescentcurrent(5)4 V VS 30 V, 25 ATestedLimit(2)11 DesignLimit(3)4 V VS 30 V, 40 C TJ 125 (2)DesignLimit(3)22 Temperaturecoefficientofquiescentcurrent 40 C TJ 125 A/ CTestedLimit(2)DesignLimit(3) accuracyIn circuitof Figure14, IL= CTestedLimit(2)DesignLimit(3)22 LongtermstabilityTJ= TMAX, for 1000hours C8LM35 ZHCSHC4H AUGUST1999 1999 2017,TexasInstrumentsIncorporated(1)Test edLimitsare ensuredand 100%testedin production.(2)DesignLimitsare ensured(but not 100%productiontested)overthe indicatedtemperatureand usedto calculateoutgoingqualitylevels.(3)Accura cyis definedas the errorbetweenthe outputvoltageand 10 mv/ C timesthe casetemperatureof the device,at specifiedconditionsof voltage,current,and temperature(expressedin C).

8 (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 :LM35,LM35C,LM35 DLimitsUnlessotherwisenoted,thesespecifi cationsapply: 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. Thesespecificationsalso applyfrom2 C to TMAXin the circuitof ,LM35 DUNITTYPTESTEDLIMIT(1)DESIGNLIMIT(2)TYPT ESTEDLIMIT(1)DESIGNLIMIT(2)Accuracy,LM35 ,LM35C(3)TA= 25 C 1 1 CTA= 10 C TMAX TMIN 2 Accuracy,LM35D(3)TA= 25 C CTA= TMAX 2TA= TMIN 2 Nonlinearity(4)TMIN TA TMAX, 40 C TJ 125 C CSensorgain(averageslope)TMIN TA TMAX, 40 C TJ 125 (5)0 IL 1 mATA= 25 C 2 2mV/mATMIN TA TMAX, 40 C TJ 125 C 5 5 Line regulation(5)TA= 25 C V VS 30 V, 40 C TJ 125 C (6)VS= 5 V, 25 C56805680 AVS= 5 V, 40 C TJ 125 C10515891138VS= 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 AUGUST1999 REVISEDDECEMBER2017 Copyright 1999 2017,TexasInstrumentsIncorporated(1)

9 Accuracyis definedas the errorbetweenthe outputvoltageand 10 mv/ C timesthe casetemperatureof the device,at specifiedconditionsof voltage,current,and temperature(expressedin C).(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 :LM35,LM35C,LM35 DUnlessotherwisenoted,thesespecification sapply: 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. Thesespecificationsalso applyfrom2 C to TMAXin the circuitof ,LM35 DUNITMINTYPMAXMINTYPMAXA ccuracy,LM35,LM35C(1)TA= 25 C CTestedLimit(2) 1 1 DesignLimit(3)TA= 10 C (2)DesignLimit(3) TMAX (2) (3) TMIN (2)DesignLimit(3) 2 Accuracy,LM35D(1)TA= 25 C CTestedLimit(2) (3)TA= TMAX (2)DesignLimit(3) 2TA= TMIN (2)DesignLimit(3) 2 Nonlinearity(4)TMIN TA TMAX, 40 C TJ 125 C CTestedLimit(2)DesignLimit(3) (averageslope)TMIN TA TMAX, 40 C TJ 125 C1010mV/ CTestedLimit(2) (3) (2) (3) (5)0 IL 1 mATA= 25 C (2) 2 2 DesignLimit(3)TMIN TA TMAX, 40 C TJ 125 C (2)DesignLimit(3) 5 510LM35 ZHCSHC4H AUGUST1999 1999 2017,TexasInstrumentsIncorporatedElectri calCharacteristics:LM35,LM35C,LM35D(cont inued)Unlessotherwisenoted,thesespecific ationsapply: 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 ,LM35 DUNITMINTYPMAXMINTYPMAX(6)Quiescentcurre ntis definedin the circuitof regulation(5)TA= 25 C (2) (3) V VS 30 V, 40 C TJ 125 C (2)DesignLimit(3) (6)VS= 5 V, 25 C5656 ATestedLimit(2)8080 DesignLimit(3)VS= 5 V, 40 C TJ 125 C10591 TestedLimit(2)DesignLimit(3)158138VS= 30 V, 25 (2)8282 DesignLimit(3)VS= 30 V, 40 C TJ 125 (2)DesignLimit(3)161141 Changeofquiescentcurrent(5)4 V VS 30 V, 25 ATestedLimit(2)2 DesignLimit(3)24 V VS 30 V, 40 C TJ 125 (2)DesignLimit(3)33 Temperaturecoefficientofquiescentcurrent 40 C TJ 125 A/ CTestedLimit(2)DesignLimit(3) accuracyIn circuitof Figure14, IL= CTestedLimit(2)DesignLimit(3)22 LongtermstabilityTJ= TMAX, for 1000hours C020406080100120140160 75 25 2575125175 QUIESCENT CURRENT ( A) TEMPERATURE ( C) C006 75 25 2575125175 SUPPLY VOLTAGE (V) TEMPERATURE ( C) C005 TYPICAL IOUT = mA TYPICAL IOUT = mA TYPICAL IOUT = 0 A or 50 A 20 02040608010012002468 PERCENT OF FINAL VALUE (%) TIME (MINUTES) C003 20 02040608010012002468 PERCENT OF FINAL VALUE (%) TIME (SEC) C004 T0-46 T0-92 01002003004000400800120016002000 THERMAL RESISTANCE ( C/W) AIR VELOCITY (FPM) C001 T0-46 T0-92 0510152025303540450400800120016002000 TIME CONSTANT (SEC) AIR VELOCITY (FPM) C002 T0-46 T0-92 AUGUST1999 REVISEDDECEMBER2017 Copyright 1999 2017, ThermalResistanceJunctionTo AirFigure2.