ADG2108 Data Sheet
Rev. B | Page 2 of 28
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
I
2
C 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 I
2
C 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
9/12—Rev A to Rev. B
Changes to Figure 37 ....................................................................... 26
Changes to Ordering Guide ........................................................... 27
8/12—Rev. 0 to Rev. A
Changed CP-32-2 Package to CP-32-7 Package ............. Universal
Updated Outline Dimensions ...................................................... 27
Changes to Ordering Guide .......................................................... 27
4/06—Revision 0: Initial Version
