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AD7689ACPZRL7 参数 Datasheet PDF下载

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型号：	AD7689ACPZRL7
PDF下载：	下载PDF文件查看货源
内容描述：	16位4通道/ 8通道， 250 kSPS时的PulSAR ADC [16-Bit, 4-Channel/8-Channel, 250 kSPS PulSAR ADC]
分类和应用：	转换器模数转换器
文件页数/大小：	28 页 / 828 K
品牌：	AD [ ANALOG DEVICES ]

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AD7682/AD7689

TABLE OF CONTENTS

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

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

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

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

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

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

Timing Specifications....................................................................... 6

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

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

Pin Configurations and Function Descriptions ........................... 9

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

Terminology .................................................................................... 14

Theory of Operation ...................................................................... 15

Overview...................................................................................... 15

Converter Operation.................................................................. 15

Transfer Functions...................................................................... 16

Typical Connection Diagrams.................................................. 17

Analog Inputs ............................................................................. 18

Driver Amplifier Choice ........................................................... 19

Voltage Reference Output/Input .............................................. 20

Power Supply............................................................................... 21

Supplying the ADC from the Reference.................................. 21

Digital Interface .............................................................................. 22

Configuration Register, CFG .................................................... 22

Read/Write Spanning Conversion Without a

Busy Indicator............................................................................. 24

Read/Write Spanning Conversion with a Busy Indicator..... 25

Application Hints ........................................................................... 26

Layout .......................................................................................... 26

Evaluating AD7682/AD7689 Performance ............................ 26

Outline Dimensions ....................................................................... 27

Ordering Guide .......................................................................... 27

REVISION HISTORY

5/08—Revision 0: Initial Version

Rev. 0 | Page 2 of 28

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