AD9434

Rev. A | Page 2 of 28

TABLE OF CONTENTS

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

 

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

 

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

 

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

 

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

 

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

 

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

 

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

 

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

 

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

 

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

 

Timing Diagrams.......................................................................... 7

 

Absolute Maximum Ratings............................................................ 8

 

Thermal Resistance ...................................................................... 8

 

ESD Caution.................................................................................. 8

 

Pin Configurations and Function Descriptions ........................... 9

 

Typical Performance Characteristics ........................................... 13

 

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

 

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

 

Analog Input and Voltage Reference ....................................... 19

 

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

 

Power Dissipation and Power-Down Mode ........................... 21

 

Digital Outputs ........................................................................... 21

 

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

 

VREF............................................................................................ 22

 

AD9434 Configuration Using the SPI ..................................... 22

 

Using the AD9434 to Replace the AD9230............................. 23

 

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

 

Configuration Without the SPI ................................................ 23

 

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

 

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

 

Reserved Locations .................................................................... 25

 

Default Values ............................................................................. 25

 

Logic Levels................................................................................. 25

 

Outline Dimensions ....................................................................... 28

 

Ordering Guide .......................................................................... 28

 

REVISION HISTORY

5/11—Rev. 0 to Rev. A

Changes to General Description .................................................... 1

Changes to Table 4, Aperture Time Values ................................... 6

Changes to Figure 32...................................................................... 17

Changes to Figure 42...................................................................... 19

Changes to Table 13, Register 10, Bits[7:0] Value, Register 14

Default Value, Register 15 Default Value, Register 17, Bit 7 Value

and Register 18, Bit[4:0] Values .................................................... 26

3/11—Revision 0: Initial Version