AD7933(RevPrG) Ver la hoja de datos (PDF) - Analog Devices

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AD7933
(Rev.:RevPrG)

4-Channel, 1.5 MSPS, 12-Bit and 10-Bit Parallel ADCs with a Sequencer

Analog Devices 

AD7933/AD7934

TABLE OF CONTENTS

AD7933—Specifications.................................................................. 3

AD7934—Specifications.................................................................. 5

Timing Specifications....................................................................... 7

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

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

Pin Configuration and Function Descriptions............................. 9

Terminology .................................................................................... 11

Typical Performance Characteristics ........................................... 13

Control Register.......................................................................... 16

Sequencer Operation ................................................................. 17

Circuit Information ........................................................................ 18

Converter Operation.................................................................. 18

ADC Transfer Function............................................................. 18

Typical Connection Diagram ................................................... 19

REVISION HISTORY

8/04—Revision PrG: Preliminary Version

Preliminary Technical Data

Analog Input Structure.............................................................. 19

Analog Inputs.............................................................................. 20

Analog Input Selection .............................................................. 22

Reference Section ....................................................................... 22

Parallel Interface......................................................................... 24

Power Modes of Operation....................................................... 27

Power vs. Throughput Rate....................................................... 28

Microprocessor Interfacing....................................................... 28

Application Hints ........................................................................... 30

Grounding and Layout .............................................................. 30

Evaluating the AD7933/AD7934 Performance ...................... 30

Outline Dimensions ....................................................................... 31

Ordering Guide .......................................................................... 31

Rev. PrG | Page 2 of 32

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