• Description

Adafruit Thermocouple Amp MAX31856

Thermocouples are very sensitive, requiring a good amplifier with a cold-compensation reference, as well as calculations to handle any non-linearities. This converter communicates over 4-wire SPI and can interface with any K, J, N, R, S, T, E, or B type thermocouple.



This breakout does everything for you, and can be easily interfaced with any microcontroller, even one without an analog input. This breakout board has the chip itself, a 3.3V regulator and level shifting circuitry, all assembled and tested. Comes with a 2 pin terminal block (for connecting to the thermocouple) and pin header (to plug into any breadboard or perfboard). An inline resistors and a filter capacitor have been added on-board for better stability.

Product Video

Quick Spec

• Works with any K, J, N, R, S, T, E, or B type thermocouple
• -210°C to +1800°C output in 0.0078125° resolution - note that many thermocouples have about ±2°C to ±6°C accuracy or worse depending on the temperature and type, so the resolution will be a lot better than the accuracy
• Internal temperature reading
• 3.3 to 5v power supply and logic level compliant
• SPI data requires any 4 digital I/O pins

PLEASE NOTE: This does not include a thermocouple

Dimensions

Resources

• Product Page
• Pinouts
• MAX31856 Datasheet
• Library on GitHub
• EagleCAD PCB files on GitHub
• Fritzing object in Adafruit Fritzing library
• Additional Information

Shipping List

• 1 x Adafruit Thermocouple Amp MAX31856

Adafruit Thermocouple Amp MAX31856

• Brand: Adafruit
• Product Code: AF3263
• Weight: 0.005kg
• Product Status : Active

Stock

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• R336.00 (Inc Tax: R386.40)