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Analog Devices Inc ADM1021AARQ Temperature Sensor

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Ad - Analog Devices Inc ADM1021AARQ IC Processor 18pin QSOP Temp Monitoring System (Sensor) 0°C ~ 100°C, External Sensor Internal and External Sensor SMBus Output 16-QSOP

Analog Devices Inc ADM1021AARQ Temperature Sensor

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Analog Devices Inc - AD ADM1021AARQ IC SENSOR TEMP DUAL3/5.5V 16QSOP
Sensing Temperature 0°C ~ 100°C, External Sensor
Output Type SMBus™
Voltage - Supply 3 V ~ 5.5 V
Package / Case 16-SSOP (0.154", 3.90mm Width)
Packaging Tube
Function Temp Monitoring System (Sensor)
RoHS Status RoHS Non-Compliant

The ADM1021A is a two-channel digital thermometer and undertemperature/overtemperature alarm, intended for use in personal computers and other systems requiring thermal monitor- ing and management. 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.

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