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ADM1023 (sensor)
Added by ALMICO on 11 may 2002
The ADM1023 is a two-channel digital thermometer and under/over temperature alarm, intended for use in personal computers and other systems requiring thermal monitoring and management. Optimized for the Pentium III; the higher accuracy offered allows systems designers to safely reduce temperature guard banding and increase system performance. The device can measure the temperature of a microprocessor using a diode-connected PNP transistor, which may be provided on-chip in the case of the Pentium III or similar processors, or can be a low cost discrete NPN/PNP device such as the 2N3904/2N3906. A novel measurement technique cancels out the absolute value of the transistor's base emitter voltage, so that no calibration is required. The second measurement channel measures the output of an on-chip temperature sensor, to monitor the temperature of the device and its environment. The ADM1023 communicates over a 2-wire serial interface compatible with SMBus standards. Under and over temperature limits can be programmed into the device over the serial bus, and an ALERT output signals when the on-chip or remote temperature is out of range. This output can be used as an interrupt, or as an SMBus alert.

Feature Vote Votes Your vote Your comment
Power 1 1
Reliability 2 1
Ease of use 3 1
Features 10 1

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Feature Date Vote Voted by Comment
Features 02 sep 2007 10 DSYMON071
Ease of use 02 sep 2007 3 DSYMON071
Reliability 02 sep 2007 2 DSYMON071
Power 02 sep 2007 1 DSYMON071


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