AD7934-6

Rev. B | Page 2 of 28

TABLE OF CONTENTS

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

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

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

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

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

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

Timing Specifications .................................................................. 5

Absolute Maximum Ratings............................................................ 6

ESD Caution.................................................................................. 6

Pin Configuration and Function Descriptions............................. 7

Typical Performance Characteristics ............................................. 9

Terminology .................................................................................... 11

Control Register.............................................................................. 13

Sequencer Operation ................................................................. 14

Circuit Information ........................................................................ 15

Converter Operation.................................................................. 15

ADC Transfer Function............................................................. 15

Typical Connection Diagram ................................................... 16

Analog Input Structure.............................................................. 16

Analog Input Configurations ................................................... 17

Analog Input Selection .............................................................. 19

Reference ..................................................................................... 20

Parallel Interface......................................................................... 21

Power Modes of Operation ....................................................... 24

Power vs. Throughput Rate....................................................... 25

Microprocessor Interfacing....................................................... 25

Application Hints ........................................................................... 27

Grounding and Layout .............................................................. 27

Evaluating the AD7934-6 Performance .................................. 27

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

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

REVISION HISTORY

2/07—Rev. A to Rev. B

Updated Format..................................................................Universal

Changes to Figure 13...................................................................... 10

Changes to Sequencer Operation Section................................... 14

Changes to Figure 34...................................................................... 21

10/05—Rev. 0 to Rev. A

Changes to Product Highlights....................................................... 1

Inserted Table 1................................................................................. 1

Changes to Specifications ................................................................ 3

Changes to Timing Specifications .................................................. 5

Changes to Pin Function Descriptions.......................................... 7

Added Writing to the Control Register to

Program the Sequencer Section.................................................... 14

Changes to the Analog Inputs Section......................................... 17

Changes to the Grounding and Layout Section ......................... 27

1/05—Revision 0: Initial Version