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LM335A

National Semiconductor
Part Number LM335A
Manufacturer National Semiconductor
Description Precision Temperature Sensors
Published Mar 22, 2005
Detailed Description LM135/LM235/LM335, LM135A/LM235A/LM335A Precision Temperature Sensors May 1999 LM135/LM235/LM335, LM135A/LM235A/LM335A...
Datasheet PDF File LM335A PDF File

LM335A
LM335A

Overview
LM135/LM235/LM335, LM135A/LM235A/LM335A Precision Temperature Sensors May 1999 LM135/LM235/LM335, LM135A/LM235A/LM335A Precision Temperature Sensors General Description The LM135 series are precision, easily-calibrated, integrated circuit temperature sensors.
Operating as a 2-terminal zener, the LM135 has a breakdown voltage directly proportional to absolute temperature at +10 mV/˚K.
With less than 1Ω dynamic impedance the device operates over a current range of 400 µA to 5 mA with virtually no change in performance.
When calibrated at 25˚C the LM135 has typically less than 1˚C error over a 100˚C temperature range.
Unlike other sensors the LM135 has a linear output.
Applications for the LM135 include almost any type of temperature sensing over a −55˚C to +150˚C temperature range.
The low impedance and linear output make interfacing to readout or control circuitry especially easy.
The LM135 operates over a −55˚C to +150˚C temperature range while the LM235 operates over a −40˚C to +125...


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