AD9284(Rev0) 查看數據表（PDF） - Analog Devices

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AD9284
(Rev.:Rev0)

8-Bit, 250 MSPS, 1.8 V Dual Analog-to-Digital Converter (ADC)

Analog Devices 

AD9284

TABLE OF CONTENTS

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

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

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

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

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

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

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

DC Specifications ......................................................................... 3

AC Specifications.......................................................................... 4

Digital Specifications ................................................................... 5

Switching Specifications .............................................................. 6

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

Absolute Maximum Ratings............................................................ 7

Thermal Resistance ...................................................................... 7

ESD Caution.................................................................................. 7

Pin Configuration and Function Descriptions............................. 8

Typical Performance Characteristics ........................................... 10

Equivalent Circuits ......................................................................... 12

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

ADC Architecture ...................................................................... 13

Analog Input Considerations.................................................... 13

REVISION HISTORY

1/11—Revision 0: Initial Version

Voltage Reference ....................................................................... 13

RBIAS........................................................................................... 13

Clock Input Considerations...................................................... 14

Digital Outputs ........................................................................... 14

Built-In Self-Test (BIST) and Output Test .................................. 15

Built-In Self-Test (BIST)............................................................ 15

Output Test Modes..................................................................... 15

Serial Port Interface (SPI).............................................................. 16

Configuration Using the SPI..................................................... 16

Hardware Interface..................................................................... 17

Configuration Without the SPI ................................................ 17

SPI Accessible Features.............................................................. 17

Memory Map .................................................................................. 18

Reading the Memory Map Register Table............................... 18

Memory Map Register Table..................................................... 19

Memory Map Register Descriptions........................................ 21

Applications Information .............................................................. 22

Design Guidelines ...................................................................... 22

Outline Dimensions ....................................................................... 23

Ordering Guide .......................................................................... 23

Rev. 0 | Page 2 of 24

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