AD7933 데이터 시트보기 (PDF) - Analog Devices

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AD7933

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

Analog Devices 

AD7933/AD7934

TABLE OF CONTENTS

Features .............................................................................................. 1

Functional Block Diagram .............................................................. 1

General Description ......................................................................... 1

Product Highlights ........................................................................... 1

Revision History ............................................................................... 2

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

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

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

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

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

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

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

Typical Performance Characteristics ........................................... 11

Terminology .................................................................................... 13

Control Register.............................................................................. 15

Sequencer Operation ................................................................. 16

Circuit Information ........................................................................ 17

REVISION HISTORY

2/07—Rev. A to Rev B

Changes to Timing Specifications .................................................. 7

Changes to Figure 13...................................................................... 12

12/05—Rev. 0 to Rev. A

Replaced Figures .................................................................Universal

Changes to General Description .................................................... 1

Changes to Product Highlights....................................................... 1

Added Table 1.................................................................................... 1

Changes to Specifications Section.................................................. 3

Changes to Table 5............................................................................ 9

Changes to Terminology Section.................................................. 13

Changes to Control Register Section ........................................... 15

Changes to Circuit Information Section ..................................... 17

Changes to Application Hints Section......................................... 29

1/05—Revision 0: Initial Version

Converter Operation.................................................................. 17

ADC Transfer Function............................................................. 17

Typical Connection Diagram ................................................... 18

Analog Input Structure.............................................................. 18

Analog Inputs ............................................................................. 19

Analog Input Selection .............................................................. 21

Reference ..................................................................................... 22

Parallel Interface......................................................................... 23

Power Modes of Operation ....................................................... 26

Power vs. Throughput Rate....................................................... 27

Microprocessor Interfacing....................................................... 27

Application Hints ........................................................................... 29

Grounding and Layout .............................................................. 29

Evaluating the AD7933/AD7934 Performance...................... 29

Outline Dimensions ....................................................................... 30

Ordering Guide .......................................................................... 30

Rev. B | Page 2 of 32

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