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The MAX31855 peripheral module provides the necessary hardware to interface the MAX31855 cold-junction compensated thermocouple-to-digital converter to any system that utilizes a 6-Pin Pmod-Compatible Connector (SPI).

This converter resolves temperatures to 0.25° C, allows readings as high as +1800°C and as low as -270°C, and exhibits thermocouple accuracy of +/-2°C for temperatures ranging from -200°C to +700°C for K-type thermocouples.

The data is output in a signed 14-bit, SPI-compatible, read-only format.


  • Converts Output of a K-Type Thermocouple directly to a Signed 14-Bit Digital Word
  • Cold-Junction Compensation
  • 14-Bit, 0.25°C Resolution
  • Detects Thermocouple Shorts to GND or VCC
  • Detects Open Thermocouple
  • 6-Pin Pmod-Compatible Connector (SPI)



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