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ADT7488A Datasheet(PDF) 1 Page - Analog Devices

Part No. ADT7488A
Description  SST Digital Temperature Sensor and Voltage Monitor
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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ADT7488A Datasheet(HTML) 1 Page - Analog Devices

 
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SST Digital Temperature Sensor
and Voltage Monitor
ADT7488A
Rev. 0
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
©2006 Analog Devices, Inc. All rights reserved.
FEATURES
1 on-chip temperature sensor
2 remote temperature sensors
Monitors 3 voltage inputs, including VCC
Simple Serial Transport™ (SST™) interface
APPLICATIONS
Personal computers
Portable personal devices
Industrial sensor nets
GENERAL DESCRIPTION
The ADT7488A is a simple digital temperature sensor for use in
PC applications with Simple Serial Transport (SST) interface. It
can monitor its own temperature as well as the temperature of
two remote sensor diodes. It also measures the processor core
voltage, VCCP; a 2.5 V supply voltage; and its own supply voltage,
VCC. The ADT7488A is controlled by an SST single
bidirectional data line. This device is a fixed-address SST client
where the target address is chosen by the state of the address
pin, ADD.
FUNCTIONAL BLOCK DIAGRAM
SST INTERFACE
INPUT
ATTENUATORS
AND
ANALOG
MULTIPLEXER
ADDRESS
SELECTION
TEMPERATURE
VALUE REGISTERS
VOLTAGE
VALUE REGISTERS
A/D
CONVERTER
ON-CHIP
TEMPERATURE
SENSOR
VCC
VCCP
GND
ADT7488A
SST
ADD
D2–
2.5V
D2+
D1–
D1+
OFFSET REGISTERS
Figure 1.


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