Reference Designs
Single-Supply Thermocouple Amplifier with RTD Based Cold Junction Compensation Reference Design
Texas Instruments
This reference design uses a thermocouple to measure temperatures from -50 °C to 500 °C. The design uses cold-junction compensation to reduce errors associated with changes in the cold-junction temperature of the thermocouple. The design operates on a single 24-V supply and has a linear output range of 250 mV to 5 V.
Features
- 24-V single supply0-V to 5-V outputUncalibrated measured error of -0.037%Hot-junction temperatures of -50 °C to 500 °CCold-junction temperatures of 0 °C to 75 °C
Product Categories
- Amplifiers
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