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MCP9903 - Multi-Channel Low-Temperature Remote Diode Sensor

Download the MCP9903 datasheet PDF. This datasheet also covers the MCP9902 variant, as both devices belong to the same multi-channel low-temperature remote diode sensor family and are provided as variant models within a single manufacturer datasheet.

General Description

The MCP9902/3/4 is a high-accuracy, low-cost, System Management Bus (SMBus) temperature sensor.

Key Features

  • Up to Three External Temperature Monitors - ±1°C maximum accuracy MCP9902: -40°C to +105°C MCP9903/4: -40°C to +125°C - ±2°C maximum accuracy (+65°C < TDIODE < +125°C) - 0.125°C resolution.
  • Internal Temperature Monitor - ±1°C accuracy - (-40°C to +65°C) - 0.125°C resolution.
  • Supports up to 2.2 nF diode filter capacitor.
  • Up to 400 kHz clock rate - Maskable with register control.
  • Programmable SMBus address.
  • Operating voltage: 3.0 to 3.6 (V).

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (MCP9902-Microchip.pdf) that lists specifications for multiple related part numbers.

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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.

View original datasheet text
MCP9902/3/4 Multi-Channel Low-Temperature Remote Diode Sensor Features • Up to Three External Temperature Monitors - ±1°C maximum accuracy MCP9902: -40°C to +105°C MCP9903/4: -40°C to +125°C - ±2°C maximum accuracy (+65°C < TDIODE < +125°C) - 0.125°C resolution • Internal Temperature Monitor - ±1°C accuracy - (-40°C to +65°C) - 0.125°C resolution • Supports up to 2.2 nF diode filter capacitor • Up to 400 kHz clock rate - Maskable with register control • Programmable SMBus address • Operating voltage: 3.0 to 3.