AD7608

Data Sheet

Rev. A | Page 2 of 32

TABLE OF CONTENTS

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

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

Companion Products....................................................................... 1

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

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

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

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

Timing Specifications .................................................................. 6

Absolute Maximum Ratings.......................................................... 10

Thermal Resistance .................................................................... 10

ESD Caution................................................................................ 10

Pin Configuration and Function Descriptions........................... 11

Typical Performance Characteristics ........................................... 14

Terminology .................................................................................... 18

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

Converter Details ....................................................................... 19

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

ADC Transfer Function............................................................. 20

Internal/External Reference...................................................... 21

Typical Connection Diagram ................................................... 22

Power-Down Modes .................................................................. 22

Conversion Control ................................................................... 23

Digital Interface .............................................................................. 24

Parallel Interface (PAR/SER SEL = 0)...................................... 24

Serial Interface (PAR/SER SEL = 1)......................................... 25

Reading During Conversion..................................................... 25

Digital Filter ................................................................................ 26

Layout Guidelines....................................................................... 30

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

Ordering Guide .......................................................................... 32

REVISION HISTORY

1/12—Rev. 0 to Rev. A

Changes to Analog Input Ranges Section ····································19

4/11—Revision 0: Initial Version