AD6657A

Data Sheet

Rev. 0 | Page 2 of 36

TABLE OF CONTENTS

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

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

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

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

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

Product Highlights ........................................................................... 3

Specifications..................................................................................... 4

DC Specifications ......................................................................... 4

AC Specifications.......................................................................... 5

Digital Specifications ................................................................... 7

Switching Specifications .............................................................. 9

Timing Specifications ................................................................ 10

Absolute Maximum Ratings ..................................................... 11

Thermal Characteristics ............................................................ 11

ESD Caution................................................................................ 11

Pin Configuration and Function Descriptions........................... 12

Typical Performance Characteristics ........................................... 14

Equivalent Circuits......................................................................... 18

Theory of Operation ...................................................................... 19

ADC Architecture ...................................................................... 19

Analog Input Considerations.................................................... 19

Clock Input Considerations...................................................... 21

Power Dissipation and Standby Mode..................................... 23

Channel/Chip Synchronization................................................ 23

Digital Outputs ........................................................................... 24

Timing ......................................................................................... 24

Noise Shaping Requantizer ........................................................... 25

22% BW Mode (>40 MHz at 184.32 MSPS)........................... 25

33% BW Mode (>60 MHz at 184.32 MSPS)........................... 26

36% BW Mode (>65 MHz at 184.32 MSPS)........................... 27

MODE Pin................................................................................... 27

Built-In Self Test (BIST) and Output Test................................... 28

BIST.............................................................................................. 28

Output Test Modes..................................................................... 28

Serial Port Interface (SPI).............................................................. 29

Configuration Using the SPI..................................................... 29

Hardware Interface..................................................................... 29

Memory Map .................................................................................. 30

Reading the Memory Map Register Table............................... 30

Memory Map Register Table..................................................... 31

Memory Map Register Descriptions........................................ 33

Applications Information .............................................................. 35

Design Guidelines ...................................................................... 35

Packaging and Ordering Information ......................................... 36

Outline Dimensions................................................................... 36

Ordering Guide .......................................................................... 36

REVISION HISTORY

10/11—Revision 0: Initial Version