AD7401A

Rev. 0 | Page 2 of 20

TABLE OF CONTENTS

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

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

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

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

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

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

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

Insulation and Safety-Related Specifications............................ 6

Regulatory Information............................................................... 6

DIN V VDE V 0884-10 (VDE V 0884-10) Insulation

Characteristics .............................................................................. 7

Absolute Maximum Ratings............................................................ 8

ESD Caution.................................................................................. 8

Pin Configuration and Function Descriptions............................. 9

Typical Performance Characteristics ........................................... 10

Terminology .................................................................................... 13

Theory of Operation ...................................................................... 14

Circuit Information.................................................................... 14

Analog Input ............................................................................... 14

Differential Inputs ...................................................................... 15

Current Sensing Applications................................................... 15

Voltage Sensing Applications.................................................... 15

Digital Filter ................................................................................ 16

Applications Information .............................................................. 18

Grounding and Layout .............................................................. 18

Evaluating the AD7401A Performance ................................... 18

Insulation Lifetime ..................................................................... 18

Outline Dimensions ....................................................................... 19

Ordering Guide .......................................................................... 19

REVISION HISTORY

7/08—Revision 0: Initial Version