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( File format: PDF, 231.0kB )
Remote and Local System Temperature Monitor
ON Semiconductor Corp

Description
The ADM1032 is a dual-channel digital thermometer and under/overtemperature alarm intended for use in PCs and thermal management systems. The device can measure the temperature of a remote thermal diode, which can be located on the processor die or can be a discrete device (2N3904/06), accurate to 1C. A novel measurement technique cancels out the absolute value of the transistor's base emitter voltage so that no calibration ir required. The ADM1032 also measures its ambient temperature.
Features
On-Chip and Remote Temperature Sensing Offset Registers for System Calibration 0.125C Resolution/1C Accuracy on Remote Channel 1C Accuracy on Local Channel Fast (Up to 64 Measurements per Second) 2-Wire SMBus Serial Interface Supports SMBus Alert




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