ADT7518ARQZ-REEL7 datasheet(2/40 Pages) AD

Part #	ADT7518ARQZ-REEL7

Description	SPI/I2C Compatible, Temperature Sensor, 4-Channel ADC and Quad Voltage Output DAC

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Manufacturer	AD [Analog Devices]

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ADT7518

Rev. A | Page 2 of 40

TABLE OF CONTENTS

Specifications..................................................................................... 3

DAC AC Characteristics.............................................................. 6

Functional Block Diagram .............................................................. 7

Absolute Maximum Ratings............................................................ 8

ESD Caution.................................................................................. 8

Pin Configuration and Functional Descriptions.......................... 9

Terminology .................................................................................... 10

Typical Performance Characteristics ........................................... 12

Theory of Operation ...................................................................... 17

Power-Up Calibration................................................................ 17

Conversion Speed....................................................................... 17

Function Description—Voltage Output.................................. 18

Functional Description—Analog Inputs................................. 20

ADC Transfer Function............................................................. 21

Functional Description—Measurement.................................. 22

ADT7518 Registers .................................................................... 25

Serial Interface ............................................................................ 33

SMBus Alert Response............................................................... 38

Outline Dimensions ....................................................................... 40

Ordering Guide .......................................................................... 40

REVISION HISTORY

8/04—Data Sheet Changed from Rev. 0 to Rev. A

Updated Format...................................................................... Universal

Separate ADT7518 from

ADT7516/ADT7517/ADT7518 Data Sheet........................ Universal

Change to Equation.............................................................................25

7/03—Revision 0: Initial Version

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