MCP6V01RD-TCPL: Thermocouple Interface


The MCP6V01 Thermocouple Auto-Zeroed Reference Design demonstrates how to measure electromotive force (EMF) voltage at the cold junction of the thermocouple in order to accurately measure temperature at the hot junction. This can be done by using the MCP6V01 auto-zeroed op amp because of its ultra low offset voltage (VOS) and high common mode rejection ratio (CMRR).


  • Uses a MCP6V01 difference amplifier as an analog sensor conditioning circuit

  • Uses the K-type thermocouple to sense temperature

  • Temperature range is from -100°C to +1000°C

  • Uses the MCP9800 Temperature Sensor for cold junction compensation

  • Uses the USB interface to transfer data to PC

  • 14-Bit Resolution, 10-Bit ADC

  • Test points for bench work


Manufacturer Microchip Technology
Category Sensor Solutions
Sub-Category Temperature Sensing
Eval Board Part Number MCP6V01RD-TCPL-ND
Eval Board Supplier Microchip Technology
Eval Board -
Purpose Thermocouple Interface
Sensing Method Thermocouple
Sensing Range -100°C ~ 1000°C
Features Auto-Zeroed
USB Interface
Design Author Microchip
Main I.C. Base Part MCP6V01
Component Count + Extras 38 + 13
Date Created By Author 2008-01
Date Added To Library 2012-06

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