LM135/LM235/LM335, LM135A/LM235A/LM335APrecision Temperature SensorsGeneral DescriptionThe LM135 series are precision, easily-calibrated, integratedci
Typical Applications (Continued)Centigrade Calibrated Thermocouple ThermometerDS005698-12Terminate thermocouple reference junction in close proximity
Typical Applications (Continued)Differential Temperature SensorDS005698-14Variable Offset ThermometerDS005698-15†Adjust for zero with sensor at 0˚C an
Typical Applications (Continued)Definition of TermsOperating Output Voltage: The voltage appearing acrossthe positive and negative terminals of the de
Physical Dimensions inches (millimeters) unless otherwise notedMetal Can Package (H)Order Number LM135H, LM235H, LM335H, LM135AH, LM235AH or LM335AHNS
Physical Dimensions inches (millimeters) unless otherwise noted (Continued)LIFE SUPPORT POLICYNATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITIC
Connection DiagramsTO-92Plastic PackageDS005698-8Bottom ViewOrder Number LM335Zor LM335AZSee NS PackageNumber Z03ASO-8Surface Mount PackageDS005698-25
Absolute Maximum Ratings (Note 4)If Military/Aerospace specified devices are required,please contact the National Semiconductor Sales Office/Distribut
Electrical Characteristics (Note 1) (Continued)Note 1: Accuracy measurements are made in a well-stirred oil bath. For other conditions, self heating m
Typical Performance Characteristics (Continued)Application HintsCALIBRATING THE LM135Included on the LM135 chip is an easy method of calibratingthe de
Typical Applications (Continued)Minimum Temperature SensingDS005698-4Average Temperature SensingDS005698-18Remote Temperature SensingDS005698-19Wire l
Typical Applications (Continued)Simple Temperature ControllerDS005698-5Simple Temperature ControlDS005698-21Ground Referred Fahrenheit ThermometerDS00
Typical Applications (Continued)Fahrenheit ThermometerDS005698-24*To calibrate adjust R2 for 2.554V across LM336.Adjust R1 for correct output.THERMOCO
Typical Applications (Continued)Single Power Supply Cold Junction CompensationDS005698-11*Select R3 and R4 for thermocouple typeTHERMO- R3 R4 SEEBECKC
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