ADM3252E

Data Sheet

Rev. A | Page 2 of 16

TABLE OF CONTENTS

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

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

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

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

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

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

Package Characteristics ............................................................... 4

Regulatory Information (Pending) ............................................ 4

Insulation and Safety-Related Specifications............................ 5

Absolute Maximum Ratings ....................................................... 6

ESD Caution.................................................................................. 6

Pin Configuration and Function Descriptions............................. 7

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

Theory of Operation ...................................................................... 10

Isolation of Power and Data...................................................... 10

Charge Pump Voltage Converter ............................................. 11

3.3 V Logic to EIA/TIA-232E Transmitter ............................. 11

EIA/TIA-232E to 3.3 V Logic Receiver ................................... 11

High Baud Rate........................................................................... 11

Applications Information .............................................................. 12

PCB Layout ................................................................................. 12

Start-Up Behavior....................................................................... 12

DC Correctness and Magnetic Field Immunity..................... 13

Power Considerations................................................................ 13

Thermal Analysis ....................................................................... 14

Insulation Lifetime..................................................................... 14

Packaging and Ordering Information ......................................... 15

Outline Dimensions................................................................... 15

Ordering Guide .......................................................................... 15

REVISION HISTORY

1/13—Rev. 0 to Rev. A

Changes to Features Section............................................................ 1

Changes to Figure 20...................................................................... 12

4/12—Revision 0: Initial Version