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Temperature Sensors | ADT7483A

Temperature Sensor, Over Temperature Alarm, Dual Channel

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Overview

The ADT7483A is a three-channel digital thermometer and under/over temperature alarm, intended for use in PCs and thermal management systems. It can measure the temperature in two remote locations, for example, the remote thermal diode in a CPU or GPU, or a discrete diode connected transistor. It can also measure its own ambient temperature.

  • Thermal Management
  • Notebook and Desktop Computers
  • Servers
  • Game Consoles
  • RFID Readers
  • 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/Under Temperature Limits
  • Offset Registers for System Calibration
  • Up to 2 Overtemperature Fail-safe overbar: THERM Outputs
  • 240 µA Operating Current, 5 µA Standby Current

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MSL Temp (°C)

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ICC Max (mA)

VCC Min (V)

VCC Max (V)

T Min (°C)

T Max (°C)

Temperature Error (°C)

Reference Price

ADT7483AARQZ-RL

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Active

CAD Model

Pb

A

H

P

QSOP-16

492-01

1

260

REEL

2500

Y

Local & Remote

SMBus

0.35

3

3.6

-40

125

±1

$3.716

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