AD9484

Rev. A | Page 2 of 24

TABLE OF CONTENTS

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

 

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

 

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

 

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

 

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

 

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

 

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

 

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

 

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

 

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

 

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

 

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

 

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

 

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

 

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

 

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

 

Equivalent Circuits ......................................................................... 13

 

Theory of Operation ...................................................................... 14

 

Analog Input and Voltage Reference ....................................... 14

 

Clock Input Considerations...................................................... 15

 

Power Dissipation and Power-Down Mode ........................... 16

 

Digital Outputs ........................................................................... 16

 

Timing ......................................................................................... 17

 

VREF............................................................................................ 17

 

AD9484 Configuration Using the SPI ..................................... 18

 

Hardware Interface..................................................................... 18

 

Configuration Without the SPI ................................................ 18

 

Memory Map .................................................................................. 20

 

Reading the Memory Map Table.............................................. 20

 

Reserved Locations .................................................................... 20

 

Default Values ............................................................................. 20

 

Logic Levels................................................................................. 20

 

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

 

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

 

REVISION HISTORY

6/11—Rev. 0 to Rev. A

Change to General Description Section ........................................ 1

Change to Aperture Time Parameter in Table 4........................... 6

Change to Figure 34 ....................................................................... 16

Changes to Register 17 and Register 18 in Table 12 .................. 20

3/11—Revision 0: Initial Version