General Description

The MAX6638 thermal-management sensor includes internal (local) and external (remote) digital temperature sensors and two independent SMBus™ serial ports. The remote temperature accuracy is ±1.0°C, and the local temperature accuracy is ±2°C. The MAX6638 also features extended temperature resolution data available in 0.125°C increments.

Features

♦ Two Independent SMBus/I2C*-Compatible Interfaces with Collision Avoidance

♦ High Accuracy ±1.0°C from +85°C to +100°C (Remote)

♦ Remote and Local Temperature Measurements

♦ Three Programmable Output Alarms: ALERT1, OVERT1, and ALERT2

♦ Programmable Conversion Rates

♦ 11-Bit Low-Noise Integrating ADC

♦ No Calibration Required

♦ Autoscan Conversions

Applications

   Graphics Cards

   Notebook Computers

   Computer Motherboard Systems

   Desktop Computers

   Workstations