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MCP9844 - 1.8V Digital Temperature Sensor

General Description

Microchip Technology Inc.’s MCP9844 digital temperature sensor converts temperature from -40°C to +125°C to a digital word.

It provides an accuracy of ±0.2°C/±1°C (typical/maximum) from +75°C to +95°C with an operating voltage of 1.7V to 3.6V.

Key Features

  • 1MHz, 2-wire I2C™ Interface.
  • User Selectable Measurement Resolution: - +0.5°C, +0.25°C, +0.125°C, +0.0625°C.
  • User Programmable Temperature Limits: - Temperature Window Limit - Critical Temperature Limit.
  • User Programmable Temperature Alert Output.
  • Specified VDD Range: 1.7V to 3.6V.
  • Operating Current: 100 µA (typical).
  • Available Package: 8-Pin TDFN Temperature Sensor Features.
  • Temperature-to-Digital Converter (°C).

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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MCP9844 ±1°C Accurate, 1.8V Digital Temperature Sensor Features • 1MHz, 2-wire I2C™ Interface • User Selectable Measurement Resolution: - +0.5°C, +0.25°C, +0.125°C, +0.0625°C • User Programmable Temperature Limits: - Temperature Window Limit - Critical Temperature Limit • User Programmable Temperature Alert Output • Specified VDD Range: 1.7V to 3.6V • Operating Current: 100 µA (typical) • Available Package: 8-Pin TDFN Temperature Sensor Features • Temperature-to-Digital Converter (°C) • Sensor Accuracy (Grade B): - ±0.2°C/±1°C (typ./max.)  +75°C to +95°C - ±0.5°C/±2°C (typ./max.)  +40°C to +125°C - ±1°C/±3°C (typ./max.