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ADT7484A

ON Semiconductor
Part Number ADT7484A
Manufacturer ON Semiconductor
Description Digital Temperature Sensor
Published Apr 18, 2015
Detailed Description ADT7484A/ADT7486A Digital Temperature Sensor with SST Interface The ADT7484A/ADT7486A are simple digital temperature se...
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ADT7484A
ADT7484A

Overview
ADT7484A/ADT7486A Digital Temperature Sensor with SST Interface The ADT7484A/ADT7486A are simple digital temperature sensors for use in PC applications with a Simple Serial Transport (SST) interface.
These devices can monitor their own temperature as well as the temperature of one (ADT7484A) or two (ADT7486A) remote sensor diodes.
The ADT7484A/ADT7486A are controlled by a single SST bidirectional data line.
The devices are fixed-address SST clients where the target address is chosen by the state of the two address pins, ADD0 and ADD1.
Features  1 On-Chip Temperature Sensor  1 or 2 Remote Temperature Sensors  Simple Serial Transport (SST) Interface Rev 1 Compliant  These Devices are Pb-Free and are RoHS Compliant Applications  Personal Computers  Portable Personal Devices  Industrial Sensor Nets ON-CHIP TEMPERATURE SENSOR LOCAL TEMP VALUE REGISTER D1+ D1− ANALOG A/D D2+ MUX CONVERTER D2− REMOTE TEMP VALUE REGISTER OFFSET REGISTERS DIGITAL MUX ADT7484A/ ADT7486A SST INTERFACE ADDRESS SELECTION VCC GND RESERVED ADD0 ADT7486A ONLY Figure 1.
Functional Block Diagram ADD1 SST  Semiconductor Components Industries, LLC, 2012 July, 2012 − Rev.
5 1 http://onsemi.
com SOIC−8 CASE 751 MSOP−8 CASE 846AB MSOP−10 CASE 846AC PIN ASSIGNMENTS VCC 1 8 SST GND 2 ADT7484A 7 ADD0 D1+ 3 (Top View) 6 RESERVED D1− 4 5 ADD1 VCC 1 10 SST GND 2 9 ADD0 D1+ 3 ADT7486A (Top View) 8 RESERVED D1− 4 7 ADD1 D2+ 5 6 D2− MARKING DIAGRAMS 8 T7484A ALYWG G 1 SOIC−8 T7484A = Specific Device Code A = Assembly Location L = Wafer Lot Y = Year W = Work Week G = Pb-Free Package 8 10 T20 AYWG G T22 AYWG G 11 MSOP−8 MSOP−10 T2x = Specific Device Code A = Assembly Location Y = Year W = Work Week G = Pb-Free Package (Note: Microdot may be in either location) ORDERING INFORMATION See detailed ordering and shipping information in the package dimensions section on page 11 of this data sheet.
Publication Order Number: ADT7484A−86A/D ADT7484A/ADT7486A Tab...


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