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Dual Channel Temperature Sensor and Over Temperature Alarm ADT7481
FEATURES
1 local and 2 remote temperature sensors 0.25°C resolution/1°C accuracy on remote channels 1°C resolution/1°C accuracy on local channel Extended, switchable temperature measurement range 0°C to 127°C (default) or –64°C to +191°C 2-wire SMBus serial interface with SMBus ALERT support Programmable over/under temperature limits Offset registers for system calibration Up to 2 over temperature fail-safe THERM outputs Small 10-lead MSOP package 240 μA operating current, 5 μA standby current
GENERAL DESCRIPTION
The ADT74811 is a 3-channel digital thermometer and under/ over temperature alarm, intended for use in PCs and thermal management systems.