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ADT7421

ON Semiconductor
Part Number ADT7421
Manufacturer ON Semiconductor
Description Temperature Sensor W/ Beta Correction
Published Jun 10, 2009
Detailed Description ADT7421 Precision Temperature Sensor with Beta Compensation www.datasheet4u.com (for <45nm geometries) The ADT7421 is a ...
Datasheet PDF File ADT7421 PDF File

ADT7421
ADT7421

Overview
ADT7421 Precision Temperature Sensor with Beta Compensation www.
datasheet4u.
com (for <45nm geometries) The ADT7421 is a dual −channel digital thermometer and undertemperature/overtemperature alarm, intended for use in PCs and thermal management systems.
It is pin− and register−compatible with the ADM1032, ADT7461 and ADT7461A.
The ADT7421 includes Beta Cancellation Technology.
This enables accurate measurement of temperature from very small geometry (45nm) processes.
Significant variations in the Beta factor can be observed when different currents are applied to transistors embedded in small geometry CPU’s.
This leads to large temperature errors.
The ADT7421 automatically cancels the effects of error induced by beta variations.
Features http://onsemi.
com MARKING DIAGRAMS 8 1 SOIC−8 CASE 751 1 8 1 MSOP−8 CASE 846AB 1 (Top) (Bottom) L xx #YWW ZZZZ 8 T7421 ALYWR # • • • • • • • • • • • • • • • • • • • On−Chip and Remote Temperature Sensor 0.
25°C Resolution on Remote Channel 1°C Resoluti...


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