Microchip Technology Inc

AN684

Title:
Single Supply Temperature Sensing with Thermocouples
Name:
AN684
Date:
08/10/1999
Author:
Bonnie C. Baker
Description:
There is a variety of temperature sensors on the market all of which meet specific application needs. The most common sensors used to solve these application problems include the thermocouple, Resistive Temperature Detector (RTD), Thermistor, and silicon based sensors. For an overview and comparison of these sensors, refer to Microchip?s AN679, There is a variety of temperature sensors on the market all of which meet specific application needs. The most common sensors used to solve these application problems include the thermocouple, Resistive Temperature Detector (RTD), Thermistor, and silicon based sensors. For an overview and comparison of these sensors, refer to Microchip?s AN679, ?Temperature Sensing Technologies?. This application note focuses on circuit solutions that use thermocouples in the design. The signal conditioning path for the thermocouple system will be discussed in this application note followed by complete application circuits.
Keywords:
Thermocouples, Temperature Sensing, RTD, Resistive Temperature Detector
 
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