The ADM1021A is a two−channel digital thermometer and

under/overtemperature alarm, intended for use in personal computers and other systems requiring thermal monitoring and management.

FEATURES

• Alternative to the ADM1021

• On−Chip and Remote Temperature Sensing

• No Calibration Necessary

• 1°C Accuracy for On−Chip Sensor

• 3°C Accuracy for Remote Sensor

• Programmable Over/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

• 3.0 V to 5.5 V Supply

• Small 16−Lead QSOP Package

APPLICATIONS

• Desktop Computers

• Notebook Computers

• Smart Batteries

• Industrial Controllers

• Telecom Equipment

• Instrumentation