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MCP9904 Datasheet Multi-Channel Low-Temperature Remote Diode Sensor

Manufacturer: Microchip Technology

Download the MCP9904 datasheet PDF. This datasheet also includes the MCP9902 variant, as both parts are published together in a single manufacturer document.

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

General Description

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

The MCP9902/3/4 monitors up to

Overview

MCP9902/3/4 Multi-Channel Low-Temperature Remote Diode 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).

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