MCP9600 Sensor Conditioning ICs - Microchip

Thermocouple Sensor Conditioning

Thermocouple interfacing requires expertise in sensitive analog design, mixed-signal systems and high-order mathematics for realizing temperature from the small voltage (μV) output of a thermocouple. Microchip’s Fully Integrated Thermocouple Electromotive Force (EMF) to Degree Celsius converter with cold-junction compensation greatly simplifies the design process by integrating all needed functions in one package, reducing time to market.

MCP9600 Thermocouple Electromotive Force (EMF) to degree Celsius converter

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). The MCP9600 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.

MCP9600 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
  • Low Power: Shutdown Mode, Burst Mode - 1 to 128 Temperature Samples
  • 2-wire Interface: I2C™ Compatible, 100 kHz, supports eight devices per I2C bus
  • Operating Voltage Range: 2.7 V to 5.5 V
  • Operating Current: 500 μA (typical)
  • Shutdown Current: 2 μA (typical)
  • Package: 20-lead MQFN

MCP9600 Thermocouple EMF to C Converter Evaluation Board (ADM00665)

The MCP9600 Evaluation Board is available to enable you to easily evaluate the features of the MCP9600 Thermocouple EMF to Degree Celsius Converter using a Type K thermocouple. The device also supports Types J, T, N, E, B, S and R which can be evaluated by replacing the Type K Thermocouple connector with the corresponding connectors.

MCP9600 Target Applications

  • Process control
  • Boilers
  • Water heaters
  • Engine thermal monitoring
  • Heating racks
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MCP9600 Thermocouple EMF to C Converter Evaluation Board (ADM00665)

The MCP9600 Evaluation Board enables you to easily evaluate the features of the MCP9600 Thermocouple EMF to Degree Celsius Converter using a Type K thermocouple. The device also supports Types J, T, N, E, B, S and R which can be evaluated by replacing the Type K Thermocouple connector with the corresponding connectors.

MCP9600-eval-board.jpg
 
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