System Temperature Sensor

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Overview

The ADM1021A is a two-channel digital thermometer and undertemperature/overtemperature alarm, intended for use in personal computers and other systems requiring thermal monitoring and management.

  • Thermal Management
  • Notebook and Desktop Computers
  • Game Consoles
  • RFID Readers
  • On-chip and remote temperature sensing
  • No calibration necessary
  • 1°C accuracy for on-chip sensor
  • 3°C accuracy for remote sensor
  • Programmable overtemperature / undertemperature limits
  • Programmable conversion rate
  • 2-wire SMBus serial interface
  • Supports system management bus (SMBus) alert
  • 200 µA max operating current
  • 1 µA standby current

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Product

Status

CAD Models

Compliance

Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

ON Target

Sensor Type

Data Transmission Standard

ICC Max (mA)

VCC Min (V)

VCC Max (V)

T Min (°C)

T Max (°C)

Temperature Error (°C)

Reference Price

ADM1021AARQZ-R

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Active

CAD Model

Pb

A

H

P

QSOP-16

1

260

REEL

2500

N

Local & Remote

SMBus

0.2

3

5.5

-55

125

±3

$3.5332

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