ADG2108

Rev. 0 | Page 2 of 28

TABLE OF CONTENTS

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

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

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

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

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

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

I2C Timing Specifications............................................................ 7

Timing Diagram ........................................................................... 8

Absolute Maximum Ratings............................................................ 9

ESD Caution.................................................................................. 9

Pin Configuration and Function Descriptions........................... 10

Typical Performance Characteristics ........................................... 11

Test Circuits..................................................................................... 15

Terminology .................................................................................... 17

Theory of Operation ...................................................................... 18

RESET/Power-On Reset ............................................................ 18

Load Switch (LDSW)................................................................. 18

Readback ..................................................................................... 18

Serial Interface ................................................................................ 19

High Speed I2C Interface ........................................................... 19

Serial Bus Address...................................................................... 19

Writing to the ADG2108 ............................................................... 20

Input Shift Register .................................................................... 20

Write Operation.......................................................................... 22

Read Operation........................................................................... 22

Evaluation Board ............................................................................ 24

Using the ADG2108 Evaluation Board ................................... 24

Power Supply............................................................................... 24

Schematics................................................................................... 25

Outline Dimensions ....................................................................... 27

Ordering Guide .......................................................................... 27

REVISION HISTORY

4/06—Revision 0: Initial Version