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ADT7481 - Dual Channel Temperature Sensor and Overtemperature Alarm

General Description

Positive Supply, 3.0 V to 3.6 V.

Positive Connection to the Remote 1 Temperature Sensor.

Negative Connection to the Remote 1 Temperature Sensor.

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.

📥 Download Datasheet

Datasheet Details

Part number ADT7481
Manufacturer onsemi
File Size 247.48 KB
Description Dual Channel Temperature Sensor and Overtemperature Alarm
Datasheet download datasheet ADT7481 Datasheet

Full PDF Text Transcription for ADT7481 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for ADT7481. For precise diagrams, and layout, please refer to the original PDF.

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 PC...

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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. The ambient temperature, or the temperature of the remote thermal diode, can be accurately measured to ±1°C. The temperature measurement range defaults to 0°C to +127°C, compatible with ADM1032, but can be switched to a wider measurement range from −64°C to +191°C. The ADT7481 communicates over a 2-wire serial interface compat

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