Temperature Sensor LM35
1) Calibrated Directly in Celsius (Centigrade).
2) Linear + 10-mV/°C Scale Factor i.e. if the output is 250mV then the temperature is 25°C.
3) ±5°C Accuracy (at 25°C) and ±0.75°C over full scale.
4) −55°C to +150°C Range.
5) Suitable for Remote Applications.
6) Operates from 4 V to 30 V.
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The LM35 series are precision integrated-circuit temperature sensors, whose output voltage is linearly proportional to the Celsius (Centigrade) temperature. The LM35 thus has an advantage over linear temperature sensors calibrated in ° Kelvin, as the user is not required to subtract a large constant voltage from its output to obtain convenient Centigrade scaling. The LM35 does not require any external calibration or trimming to provide typical accuracies of ±1/4 °C at room temperature and ±3/4°C over a full -55 to +150°C temperature range. Low cost is assured by trimming and calibration at the wafer level. The LM35's low output impedance, linear output, and precise inherent calibration make interfacing to readout or control circuitry especially easy. It can be used with single power supplies, or with plus and minus supplies. As it draws only 60 mA from its supply, it has very low self-heating, less than 0.1°C in still air.
Calibrated directly in ° Celsius (Centigrade)
Linear a 10.0 mV/°C scale factor
0.5°C accuracy guarantee able (at a25°C)
Rated for full b55° to a150°C range
Suitable for remote applications
Low cost due to wafer-level trimming
Operates from 4 to 30 volts
Less than 60 mA current drain
Low self-heating, 0.08°C in still air
Nonlinearity only g(/4°C typical
Low impedance output, 0.1 X for 1 mA load
1 X Temperature Sensor LM35.