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The MCP9600 is a fully integrated thermocouple Electromotive Force (EMF) to degree Celsius converter with integrated cold-junction compensation. The MCP9600 supports eight thermocouple types (K, J, T, N, S, E, B, and R). It also provides user-programmable registers, adding design flexibility for various temperature-sensing applications. The registers allow user-selectable settings, such as low-power modes for battery-powered applications, an adjustable digital filter for fast transient temperatures, and four individually programmable temperature alert outputs, which can be used to detect multiple temperature zones.

Additional Features

• Thermocouple Voltage to °C Converter
  • Integrated Cold-Junction Compensation
• Supported Types (designated by NIST ITS-90): Type K, J, T, N, S, E, B, and R
• ±1.5°C (max.) Measurement Accuracy: ±1.0°C (max.) Cold-Junction, 0°C to +85°C
• Temperature Measurement Resolution: Hot and Cold-Junctions, 0.0625°C (typical)
• Four Programmable Temperature Alert Outputs
  • Monitor Hot- or Cold-Junction Temperatures
  • Detect Rising or Falling Temperatures
  • Up to 255°C of Programmable Hysteresis
• Programmable Digital Filter for Temperature
• 2-wire Interface: I²C™ Compatible, 100 kHz
  • Supports eight devices per I²C bus
• Low Power: Shutdown mode, Burst mode, 1 to 128 Temperature Samples
• Operating Voltage Range: 2.7V to 5.5V
• Operating Current: 500 μA (typical)
• Shutdown Current: 2 μA (typical)
• Package: 20-lead MQFN

MCP9600 Thermocouple EMF to °C Converter Demo & Evaluation Boards (ADM00665)

The MCP9600 Evaluation Board is used to digitize the thermocouple EMF voltage to degree Celsius with +/-1°C accuracy. Users can easily evaluate all the device features using a Type K thermocouple. The device also supports Types J, T, N, E, B, S, and R. Each of these types is evaluated by replacing the Type K thermocouple connector with the corresponding connectors (not included).

Features

• Fully integrated thermocouple measurement using MCP9600
• No prior thermocouple measurement experience is necessary
• Direct readout of measured temperature
• Programmable temperature set points with hysteresis
• 1.5°C accuracy over -40°C to +125°C

Benefits

• No prior experience in thermocouple measurement is necessary
• Simplifies design, reduces development time and costs
• Minimizes effects of system noise and EMI
• Shutdown mode reduces overall power consumption
• Thermal Management Utility works in conjunction with the demo board to provide real-time measurements and configuration of device parameters.
• I²C Bus available for host connectivity
• User-programmable thermal alerts, reduces microcontroller computation overhead
• MIKROE #2811 Click Board™ and MCC drivers and development environment allows rapid prototyping and evaluation.