AD7699 Просмотр технического описания (PDF) - Analog Devices

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AD7699

16-Bit, 8-Channel,500 kSPS PulSAR ADC

Analog Devices 

AD7699

TABLE OF CONTENTS

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

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

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

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

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

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

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

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

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

Pin Configuration and Function Descriptions............................. 7

Typical Performance Characteristics ............................................. 8

Terminology .................................................................................... 12

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

Overview...................................................................................... 13

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

Transfer Functions...................................................................... 14

Typical Connection Diagrams .................................................. 15

Analog Inputs.............................................................................. 16

Driver Amplifier Choice............................................................ 18

REVISION HISTORY

10/08—Revision 0: Initial Version

Voltage Reference Output/Input .............................................. 18

Power Supply............................................................................... 19

Supplying the ADC from the Reference.................................. 19

Digital Interface .............................................................................. 20

Reading/Writing During Conversion, Fast Hosts.................. 20

Reading/Writing During Acquisition, Any Speed Hosts ...... 20

Reading/Writing Spanning Conversion, Any Speed Host.... 20

Configuration Register, CFG .................................................... 20

General Timing Without a Busy Indicator ............................. 22

Read/Write Spanning Conversion Without a Busy

Indicator ...................................................................................... 23

General Timing With a Busy Indicator ................................... 24

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

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

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

Evaluating AD7699 Performance............................................. 26

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

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

Rev. 0 | Page 2 of 28

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