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Partname:ADM1023ARQ
Description:0.3-6V; 650mW; ACPI-compliant high-accuracy microprocessor systems temperature monitor. For desktop computers, notebook computers, smart batteries, industrial controllers
Manufacturer:Analog Devices
Package:QSOP
Pins:16
Oper. temp.:0 to 120
Datasheet:PDF (179K).
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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.

Click here to download ADM1023ARQ Datasheet
Click here to download ADM1023ARQ Datasheet
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