ADM488 Ver la hoja de datos (PDF) - Analog Devices

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ADM488

Full-Duplex, Low Power, Slew Rate Limited, EIA RS-485 Transceivers

Analog Devices 

ADM488/ADM489

TABLE OF CONTENTS

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

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

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

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

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

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

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

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

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

Test Circuits................................................................................... 7

Switching Characteristics ............................................................ 8

Typical Performance Characteristics ............................................. 9

REVISION HISTORY

4/06—Rev. C to Rev. D

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

Changes to Ordering Guide .......................................................... 16

11/04—Rev. B to Rev. C

Updated Format..................................................................Universal

Changes to Receiving Truth Table Inputs Data Section ............ 11

Renamed General Information to Theory of Operation........... 12

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

Changes to Ordering Guide .......................................................... 16

5/01—Rev. A to Rev. B

Changes to Absolute Maximum Ratings Section......................... 3

3/01—Rev. 0 to Rev. A

Changes to ESD Specification, Absolute Maximum Ratings...... 3

6/97—Revision 0: Initial Version

Theory of Operation ...................................................................... 11

EFT Transient Protection Scheme ........................................... 11

Fast Transient Burst Immunity (IEC1000-4-4)...................... 11

Radiated Immunity (IEC1000-4-3) ......................................... 12

EMI Emissions............................................................................ 13

Conducted Emissions ................................................................ 13

Application Information................................................................ 14

Differential Data Transmission ................................................ 14

Cable and Data Rate................................................................... 14

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

Ordering Guide .......................................................................... 16

Rev. D | Page 2 of 16

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