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ADT7482 - Dual Channel Temperature Sensor and Overtemperature Alarm

Description

Positive Supply, 3.0 V to 3.6 V.

Positive Connection to the First Remote (Remote 1) Temperature Sensor.

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.
  • Automatically Cancels Up to 1.5 kW (Typ) of Resistance in Series with the Remote Sensors.
  • Extended, Switchable Temperature Measurement Range 0C to +127C (Default) or.
  • 55C to +150C.
  • 2-wire SMBus Serial Interface with SMBus Alert Support.
  • Programmable Over/Undertemperature Limits.
  • Offset Registers for System.

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Datasheet Details

Part number ADT7482
Manufacturer onsemi
File Size 272.88 KB
Description Dual Channel Temperature Sensor and Overtemperature Alarm
Datasheet download datasheet ADT7482 Datasheet

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Full PDF Text Transcription

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ADT7482 Dual Channel Temperature Sensor and Overtemperature Alarm The ADT7482 is a three-channel digital thermometer and under/overtemperature alarm for PCs and thermal management systems. It can measure the temperature in two remote locations, such as in the remote thermal diode in a CPU or GPU, or using a discrete diode connected transistor. This device also measures its own ambient temperature. One feature of the ADT7482 is series resistance cancellation where up to 1.5 kW (typical) of resistance in series with each of the temperature monitoring diodes can be automatically cancelled from the temperature result, allowing noise filtering. The temperature of the remote thermal diodes and ambient temperature can be measured accurate to 1C.
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