MAX31855 Thermocouple Amplifier IC

Thermocouples are highly sensitive and require a reliable amplifier. The MAX31855 thermocouple amplifier IC provides a complete solution, allowing easy connection to a microcontroller without the need for an analog input.

The MAX31855 IC features a 14-bit analog-to-digital converter with an SPI interface. It is compatible with various thermocouple types including K, J, N, T, S, R, and E.

Using the MAX31855 amplifier IC ensures accurate and efficient temperature measurement for your projects.

Note: This item is non-returnable.

Applications of the MAX31855 IC

1. Industrial controls
2. Home appliances
3. HVAC systems
4. Automotive automation

Specifications of the amplifier IC

1. 14-bit resolution with 0.25°C accuracy
2. Compatible with K-, J-, N-, T-, S-, R-, and E-type thermocouples
3. Supply voltage range: -0.3V to +4.0V (VCC to GND), other pins up to VCC + 0.3V
4. ESD protection: ±2kV (Human Body Model)
5. Operating temperature: -40°C to +125°C
6. Junction temperature limit: 150°C
7. Storage temperature range: -65°C to +150°C
8. Lead soldering temperature: 300°C (10 seconds)
9. Reflow soldering temperature: 260°C
10. Features cold-junction compensation and detects open thermocouples and shorts to GND or VCC
11. Simple read-only SPI-compatible interface

Documents:

MAX31855 Datasheet