ADM2481BRWZ Ver la hoja de datos (PDF) - Analog Devices

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ADM2481BRWZ

Half-Duplex, iCoupler Isolated RS-485 Transceiver

Analog Devices 

ADM2481

TABLE OF CONTENTS

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

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

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

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

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

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

Timing Specifications .................................................................. 4

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

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

Insulation and Safety-Related Specifications............................ 4

VDE 0884 Insulation Characteristics (Pending)...................... 5

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

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

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

REVISION HISTORY

7/10—Revision 0: Initial Version

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

Test Circuits..................................................................................... 11

Switching Characteristics .............................................................. 12

Circuit Description......................................................................... 13

Electrical Isolation...................................................................... 13

Truth Tables................................................................................. 14

Thermal Shutdown .................................................................... 14

True Fail-Safe Receiver Inputs .................................................. 14

Magnetic Field Immunity.......................................................... 14

Applications Information .............................................................. 16

Printed Circuit Board (PCB) Layout ....................................... 16

Isolated Power Supply Circuit .................................................. 16

Outline Dimensions ....................................................................... 17

Ordering Guide .......................................................................... 17

Rev. 0 | Page 2 of 20

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