AD8475

Rev. B | Page 2 of 24

TABLE OF CONTENTS

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

 

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

 

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

 

Functional Block Diagrams............................................................. 1

 

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

 

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

 

Absolute Maximum Ratings............................................................ 5

 

Thermal Resistance ...................................................................... 5

 

ESD Caution.................................................................................. 5

 

Pin Configurations and Function Descriptions ........................... 6

 

Typical Performance Characteristics ............................................. 8

 

Terminology .................................................................................... 16

 

Theory of Operation ...................................................................... 17

 

Overview...................................................................................... 17

 

Circuit Information.................................................................... 17

 

DC Precision ............................................................................... 17

 

Input Voltage Range................................................................... 18

 

Driving the AD8475................................................................... 18

 

Power Supplies ............................................................................ 18

 

Applications Information .............................................................. 19

 

Typical Configuration................................................................ 19

 

Single-Ended to Differential Conversion................................ 19

 

Setting the Output Common-Mode Voltage .......................... 19

 

High Performance ADC Driving ............................................. 20

 

AD8475 Evaluation Board ............................................................ 22

 

Outline Dimensions ....................................................................... 23

 

Ordering Guide .......................................................................... 24

 

REVISION HISTORY

4/11—Rev. A to Rev. B

Added B Grade Columns to Specifications Section..................... 3

Changes to Figure 16........................................................................ 9

Changes to Figure 43...................................................................... 14

Changes to Ordering Guide .......................................................... 24

1/11—Rev. 0 to Rev. A

Added 16-Lead LFCSP.................................................. Throughout

Changes to Table 1 and Note 3........................................................ 3

Change to Table 2 ............................................................................. 5

Added Figure 3 and Table 4; Renumbered Sequentially ............. 6

Changes to Typical Performance Characteristics Format........... 8

Added AD8475 Evaluation Board Section and Figure 56......... 22

10/10—Revision 0: Initial Version