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LM45,datasheet,pdf(SOT-23 Prec
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大小:554 |
2009-10-20
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The LM45 series are precision integrated-circuit temperature
sensors, whose output voltage is linearly proportional to the
Celsius (Centigrade) temperature. The LM45 does not require
any external calibration or trimming to provide accuracies
of ±2°C at room temperature and ±3°C over a full −20 to
+100°C temperature range. Low cost is assured by trimming
and calibration at the wafer level. The LM45’s low output
impedance, linear output, and precise inherent calibration
make interfacing to readout or control circuitry especially
easy. It can be used with a single power supply, or with plus
and minus supplies. As it draws only 120 μA from its supply,
it has very low self-heating, less than 0.2°C in still air. The
LM45 is rated to operate over a −20° to +100°C temperature
range.
sensors, whose output voltage is linearly proportional to the
Celsius (Centigrade) temperature. The LM45 does not require
any external calibration or trimming to provide accuracies
of ±2°C at room temperature and ±3°C over a full −20 to
+100°C temperature range. Low cost is assured by trimming
and calibration at the wafer level. The LM45’s low output
impedance, linear output, and precise inherent calibration
make interfacing to readout or control circuitry especially
easy. It can be used with a single power supply, or with plus
and minus supplies. As it draws only 120 μA from its supply,
it has very low self-heating, less than 0.2°C in still air. The
LM45 is rated to operate over a −20° to +100°C temperature
range.
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