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LM35

National Semiconductor
Part Number LM35
Manufacturer National Semiconductor
Description Precision Centigrade Temperature Sensors
Published Mar 22, 2005
Detailed Description LM35 Precision Centigrade Temperature Sensors July 1999 LM35 Precision Centigrade Temperature Sensors General Descript...
Datasheet PDF File LM35 PDF File

LM35
LM35

Overview
LM35 Precision Centigrade Temperature Sensors July 1999 LM35 Precision Centigrade Temperature Sensors General Description 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 µA from its supply...


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