ADM1021AARQ-REEL - onsemi

Manufacturer Part Number

ADM1021AARQ-REEL

Manufacturer

onsemi

Introduction

The ADM1021AARQ-REEL is a high-accuracy digital temperature sensor and thermal watchdog.

Product Features and Performance

Dual-channel temperature sensing for local and remote locations

SMBus compatible interface for simple integration into designs

Outputs temperature as a digital value eliminating the need for analog-to-digital conversion

Programmable temperature threshold and hysteresis settings

Support for overtemperature alarm indicating critical thermal conditions

Product Advantages

High accuracy of ±1°C for local sensor readings

Capability to monitor both internal chip temperature and external temperatures

Low voltage operation ranging from 3V to 5.5V

Key Technical Parameters

Sensing Temperature Range: 0°C ~ 100°C for external sensor

Accuracy: ±1°C Local, ±5°C Remote

Voltage - Supply: 3V ~ 5.5V

Output Type: SMBus

Operating Temperature: 0°C ~ 100°C

Mounting Type: Surface Mount

Package / Case: 16-SSOP

Supplier Device Package: 16-QSOP

Quality and Safety Features

Includes programmable overtemperature alarm for safety

Built-in comparator and multiplexer for error detection and prevention

Compatibility

Designed for SMBus compatibility, can interface with most modern microcontrollers and systems

Application Areas

Computer systems, Servers

Telecommunications equipment

Electronics thermal monitoring

Industrial temperature control systems

Product Lifecycle

Obsolete status implies limited availability and support

Potential for replacement or upgrade options may be limited

Key Reasons to Choose This Product

Provides a compact, accurate solution for monitoring temperature in sensitive electronics

Helps prevent thermal runaway in systems with its accurate sensing and alarm features

Ease of integration with standard communication protocols

Low power requirements for energy-sensitive applications

Obsolete status adds rarity, possibly suitable for maintaining or repairing legacy systems