LM134-LM10 Thermometer/Temperature Sensor

Published:2012/9/3 3:08:00 Author:Ecco | Keyword: Thermometer, Temperature Sensor | From:SeekIC

Using LM134 and LM10 integrated circuits, we can build a thermometer which has -55 to 150°C sensing range. The ideal meter for this circuit is a 0-200uA digital ampere meter, which can show both positive and negative polarity. This will make the circuit suitable for indicating temperatures below 0°C. LM134 is basically a current source with very accurate and consistent temperature coefficient, so many temperature sensing application find it suitable for the sensor. Here is the schematic diagram of the circuit: (Source: freecircuitdiagram)



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