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