AD9434

Data Sheet

Rev. B | 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

2/13—Rev. A to Rev. B

Changes to Table 4.............................................................................6

Changes to Table 5.............................................................................8

Changes to Reading the Memory Map Table Section.................25

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