Mikroelektronika d.o.o.
Thermo Click Board
Thermo Click Board
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Overview
The Thermo Click Board™ features the MAX31855K thermocouple-to-digital converter as well as a PCC-SMP connector for K-type thermocouple probes. The click is designed to run on a 3.3V power supply. It communicates with the target MCU over an SPI interface (Read-only).
The Thermo Click Board™ features the MAX31855K thermocouple-to-digital converter as well as PCC-SMP connector for K-type thermocouple probes. The click is designed to run on a 3.3V power supply. It communicates with the target MCU over an SPI interface (Read-only).
The Thermo Click Board™ is a compact solution for adding thermocouple to your device.
Note : K-type thermocouple probe is not included in the package.
MAX31855K Thermocouple-to-Digital Converter
The MAX31855 is a sophisticated thermocouple-to-digital converter with a built-in 14-bit analog-to-digital converter (ADC).
The MAX31855K has a temperature range between -270 and 1372°C with sensitivity of about 41μV/°C .
The device also contains cold-junction compensation sensing and correction, a digital controller, an SPI compatible interface, and associated control logic.
The combination of the MAX31855K and PCC-SMP connector results in support for high-accuracy temperature measurement.
Thermocouple Probe
In order to use THERMO click you need to connect the appropriate K-type thermocouple probe (not included in the package) into the PCC-SMP connector.
Cold-Junction Compensation
The function of the thermocouple is to sense a difference in temperature between two ends of the thermocouple wires. The thermocouple's "hot" junction can be read across the operating temperature range.
The reference junction, or "cold" end (which should be at the same temperature as the board on which the device is mounted) can range from -55°C to +125°C. While the temperature at the cold end fluctuates, the device continues to accurately sense the temperature difference at the opposite end.
Application
THERMO click is ideal for thermostatic, process-control, monitoring applications and more.
Key Features
- MAX31855K
- 14-Bit, 0.25°C Resolution Converter
- Temperature range between -270 and 1372°C
- Detects Thermocouple Shorts to GND or VCC
- PCC-SMP connector
- Interface: SPI
- 3.3V power supply
Frequently Asked Questions
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