AD6672

Rev. 0 | Page 2 of 32

TABLE OF CONTENTS

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

 

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

 

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

 

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

 

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

 

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

 

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

 

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

 

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

 

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

 

Switching Specifications .............................................................. 8

 

Timing Specifications .................................................................. 9

 

Absolute Maximum Ratings.......................................................... 10

 

Thermal Characteristics ............................................................ 10

 

ESD Caution................................................................................ 10

 

Pin Configurations and Function Descriptions ......................... 11

 

Typical Performance Characteristics ........................................... 12

 

Equivalent Circuits ......................................................................... 15

 

Theory of Operation ...................................................................... 16

 

ADC Architecture ...................................................................... 16

 

Analog Input Considerations.................................................... 16

 

Voltage Reference ....................................................................... 18

 

Clock Input Considerations...................................................... 18

 

Power Dissipation and Standby Mode .................................... 19

 

Digital Outputs ........................................................................... 20

 

ADC Overrange (OR)................................................................ 20

 

Noise Shaping Requantizer ........................................................... 21

 

22% BW NSR Mode (55 MHz BW at 250 MSPS) ..................... 21

 

33% BW NSR Mode (>82 MHz BW at 250 MSPS) ............... 21

 

Serial Port Interface (SPI).............................................................. 23

 

Configuration Using the SPI..................................................... 23

 

Hardware Interface..................................................................... 23

 

SPI Accessible Features.............................................................. 24

 

Memory Map .................................................................................. 25

 

Reading the Memory Map Register Table............................... 25

 

Memory Map Register Table..................................................... 26

 

Memory Map Register Description ......................................... 28

 

Applications Information .............................................................. 29

 

Design Guidelines ...................................................................... 29

 

Outline Dimensions ....................................................................... 30

 

Ordering Guide .......................................................................... 30

 

REVISION HISTORY

7/11—Revision 0: Initial Version