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ADT7481 Datasheet Dual Channel Temperature Sensor and Overtemperature Alarm

Manufacturer: onsemi

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Datasheet Details

Part number ADT7481
Manufacturer onsemi
File Size 247.48 KB
Description Dual Channel Temperature Sensor and Overtemperature Alarm
Download ADT7481 Download (PDF)

Overview

ADT7481 Dual Channel Temperature Sensor and Overtemperature Alarm The ADT7481 is a 3-channel digital thermometer and under/ over temperature alarm, intended for use in PCs and thermal management systems.

It can measure its own ambient temperature or the temperature of two remote thermal diodes.

These thermal diodes can be located in a CPU or GPU, or they can be discrete diode connected transistors.

Key Features

  • 1 Local and 2 Remote Temperature Sensors.
  • 0.25°C Resolution/1°C Accuracy on Remote Channels.
  • 1°C Resolution/1°C Accuracy on Local Channel.
  • Extended, Switchable Temperature Measurement Range 0°C to 127°C (Default) or.
  • 64°C to +191°C.
  • 2-wire SMBus Serial Interface with SMBus ALERT Support.
  • Programmable Over/Undertemperature Limits.
  • Offset Registers for System Calibration.
  • Up to 2 Overtemperature Fail-Safe THERM Output.

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