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ADT7421

Precision Temperature Sensor

ADT7421 Features

* On-chip and Remote Temperature Sensor

* 0.25C Resolution on Remote Channel

* 1C Resolution on Local Channel

* Automatically Cancels the Effect of Beta Variation in Thermal Transistors on Small Geometry CPU’s

* Automatically Cancels Up to 50 W (Typical) of Resistance in Series

ADT7421 General Description

Positive Supply, 3.0 V to 3.6 V. Positive Connection to Remote Temperature Sensor. (Anode) Negative Connection to Remote Temperature Sensor. (Cathode) Open-drain Output. Can be used to turn a fan on/off or throttle a CPU clock in the event of an overtemperature condition. Requires pullup resistor. .

ADT7421 Datasheet (252.79 KB)

Preview of ADT7421 PDF

Datasheet Details

Part number:

ADT7421

Manufacturer:

ON Semiconductor ↗

File Size:

252.79 KB

Description:

Precision temperature sensor.
ADT7421 Precision Temperature Sensor with Beta Compensation (for <45 nm Geometries) The ADT7421 is a dual-channel digital thermometer and under/overt.

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ADT7421 Precision Temperature Sensor ON Semiconductor

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