LM34, LM3 Datasheet - National Semiconductor

LM34, LM3, Precision Fahrenheit Temperature Sensors

LM34 Precision Fahrenheit Temperature Sensors July 1999 LM34 Precision Fahrenheit Temperature Sensors General .
The LM34 series are precision integrated-circuit temperature sensors, whose output voltage is linearly proportional to the Fahrenheit temperature.

Features

* n n n n n n n n n n n Calibrated directly in degrees Fahrenheit Linear +10.0 mV/˚F scale factor 1.0˚F accuracy guaranteed (at +77˚F) Rated for full

Applications

* Low cost due to wafer-level trimming Operates from 5 to 30 volts Less than 90 µA current drain Low self-heating, 0.18˚F in still air Nonlinearity only ± 0.5˚F typical Low-impedance output, 0.4Ω for 1 mA load Connection Diagrams TO-46 Metal Can Package (Note 1) TO-92 Plastic Package SO-8 Small Outli

LM3-4AH.pdf