AD7693 데이터 시트보기 (PDF) - Analog Devices

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AD7693

16-Bit, +/-0.65 LSB INL, 500 kSPS PulSAR® Differential ADC in MSOP/QFN

Analog Devices 

AD7693

TABLE OF CONTENTS

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

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

Application Diagram........................................................................ 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 ...................................................................... 12

Circuit Information.................................................................... 12

Converter Operation.................................................................. 12

Typical Connection Diagram ................................................... 13

Analog Inputs.............................................................................. 14

REVISION HISTORY

Preliminary Technical Data

Driver Amplifier Choice ........................................................... 14

Single-to-Differential Driver .................................................... 15

Voltage Reference Input ............................................................ 15

Power Supply............................................................................... 15

Supplying the ADC from the Reference.................................. 16

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

CS Mode 3-Wire, No BUSY Indicator..................................... 17

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

CS Mode 4-Wire, No BUSY Indicator..................................... 19

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

Chain Mode, NO BUSY Indicator ........................................... 21

Chain Mode with BUSY Indicator........................................... 22

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

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

Evaluating the AD7693’s Performance.................................... 23

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

Ordering Guide .......................................................................... 24

Rev. PrB | Page 2 of 24

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