AD7980(RevC) 데이터 시트보기 (PDF) - Analog Devices

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AD7980
(Rev.:RevC)

16-Bit, 1 MSPS PulSAR ADC in MSOP/QFN

Analog Devices 

AD7980

TABLE OF CONTENTS

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

Applications....................................................................................... 1

Application Diagram Example........................................................ 1

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

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

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

Timing Specifications....................................................................... 5

Absolute Maximum Ratings............................................................ 6

ESD Caution.................................................................................. 6

Pin Configurations and Function Descriptions ........................... 7

Terminology ...................................................................................... 8

Typical Performance Characteristics ............................................. 9

Theory of Operation ...................................................................... 13

Circuit Information.................................................................... 13

Converter Operation.................................................................. 13

Typical Connection Diagram ................................................... 14

Analog Input ............................................................................... 15

REVISION HISTORY

8/13—Rev. B to Rev. C

Change to Features Section ............................................................. 1

Changes to Table 3............................................................................ 4

Change to Figure 5 ........................................................................... 7

Added EPAD Row, Table 6 .............................................................. 7

Changes to Evaluating the Performance of the

AD7980 Section .............................................................................. 23

Updated Outline Dimensions ....................................................... 24

Changes to Ordering Guide .......................................................... 25

6/09—Rev. A to Rev. B

Changes to Table 5............................................................................ 6

Changes to Figure 25...................................................................... 13

Updated Outline Dimensions ....................................................... 24

Changes to Ordering Guide .......................................................... 25

9/08—Rev. 0 to Rev. A

Delete QFN Endnote..................................................... Throughout

Changes to Ordering Guide .......................................................... 24

8/07—Revision 0: Initial Version

Data Sheet

Driver Amplifier Choice ........................................................... 15

Voltage Reference Input ............................................................ 16

Power Supply............................................................................... 16

Digital Interface .......................................................................... 16

CS Mode, 3-Wire, Without Busy Indicator ............................ 17

CS Mode 3-Wire with Busy Indicator ..................................... 18

CS Mode 4-Wire, Without Busy Indicator ............................. 19

CS Mode 4-Wire with Busy Indicator ..................................... 20

Chain Mode, Without Busy Indicator ..................................... 21

Chain Mode with Busy Indicator ............................................. 22

Application Hints ........................................................................... 23

Layout .......................................................................................... 23

Evaluating the Performance of the AD7980............................... 23

Outline Dimensions ....................................................................... 24

Ordering Guide .......................................................................... 25

Rev. C | Page 2 of 28

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