AD9649

Data Sheet

Rev. B | Page 2 of 32

TABLE OF CONTENTS

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

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

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

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

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

General Description ......................................................................... 3

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

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

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

Digital Specifications ................................................................... 6

Switching Specifications .............................................................. 7

Timing Specifications .................................................................. 8

Absolute Maximum Ratings............................................................ 9

Thermal Characteristics .............................................................. 9

ESD Caution.................................................................................. 9

Pin Configuration and Function Descriptions........................... 10

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

AD9649-80 .................................................................................. 11

AD9649-65 .................................................................................. 13

AD9649-40 .................................................................................. 14

AD9649-20 .................................................................................. 15

Equivalent Circuits......................................................................... 16

Theory of Operation ...................................................................... 17

Analog Input Considerations.................................................... 17

Voltage Reference ....................................................................... 19

Clock Input Considerations...................................................... 20

Power Dissipation and Standby Mode .................................... 21

Digital Outputs ........................................................................... 22

Timing.......................................................................................... 22

Built-In Self-Test (BIST) and Output Test .................................. 23

Built-In Self-Test (BIST)............................................................ 23

Output Test Modes..................................................................... 23

Serial Port Interface (SPI).............................................................. 24

Configuration Using the SPI..................................................... 24

Hardware Interface..................................................................... 25

Configuration Without the SPI ................................................ 25

SPI Accessible Features.............................................................. 25

Memory Map .................................................................................. 26

Reading the Memory Map Register Table............................... 26

Open Locations .......................................................................... 26

Default Values............................................................................. 26

Memory Map Register Table..................................................... 27

Memory Map Register Descriptions........................................ 29

Applications Information .............................................................. 30

Design Guidelines ...................................................................... 30

Outline Dimensions....................................................................... 31

Ordering Guide .......................................................................... 31

REVISION HISTORY

2/2017—Rev. A to Rev. B

Added Endnote 1, Table 16 ........................................................... 28

Changes to Power and Ground Recommendations Section..... 30

Added Soft Reset Section............................................................... 30

6/2015—Rev. 0 to Rev. A

Change to Product Highlights Section .......................................... 1

Changes to Figure 3 and Table 8................................................... 10

Updated Outline Dimensions....................................................... 32

Changes to Ordering Guide .......................................................... 32

10/2009—Revision 0: Initial Version