(LM50B / LM50C) SOT-23 Single-Supply Centigrade Temperature Sensor
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LM50B LM50C SOT-23 Single-Supply Centigrade Temperature Sensor
June 1996
LM50B LM50C SOT-23 Singl...
Description
www.DataSheet4U.com
LM50B LM50C SOT-23 Single-Supply Centigrade Temperature Sensor
June 1996
LM50B LM50C SOT-23 Single-Supply Centigrade Temperature Sensor
General Description
The LM50 is a precision integrated-circuit temperature sensor that can sense a b40 C to a 125 C temperature range using a single positive supply The LM50’s output voltage is linearly proportional to Celsius (Centigrade) temperature ( a 10 mV C) and has a DC offset of a 500 mV The offset allows reading negative temperatures without the need for a negative supply The ideal output voltage of the LM50 ranges from a 100 mV to a 1 75V for a b40 C to a 125 C temperature range The LM50 does not require any external calibration or trimming to provide accuracies of g 3 C at room temperature and g 4 C over the full b40 C to a 125 C temperature range Trimming and calibration of the LM50 at the wafer level assure low cost and high accuracy The LM50’s linear output a 500 mV offset and factory calibration simplify circuitry required in a single supply environment where reading negative temperatures is required Because the LM50’s quiescent current is less than 130 mA self-heating is limited to a very low 0 2 C in still air
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Features
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Applications
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Calibrated directly in Celsius (Centigrade) Linear a 10 0 mV C scale factor g 2 C accuracy guaranteed at a 25 C Specified for f...
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