ADM2484EBRWZ 데이터 시트보기 (PDF) - Analog Devices

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ADM2484EBRWZ

500 kbps, ESD Protected, Half-/Full-Duplex, iC oupler, Isolated RS-485 Transceiver

Analog Devices 

ADM2484E

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 ............................................................... 4

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

VDE 0884 Insulation Characteristics ........................................ 5

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

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

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

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

REVISION HISTORY

11/10—Rev. B to Rev. C

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

Changes to Table 4............................................................................ 4

Change to Maximum Working Insulation Voltage Parameter,

Table 6 ................................................................................................ 5

Changes to Figure 30 and Figure 31............................................. 15

Updated Outline Dimensions ....................................................... 16

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

3/10—Rev. A to Rev. B

Changes to Minimum External Tracking (Creepage) Parameter

in Table 5............................................................................................ 5

3/09—Rev. 0 to Rev. A

Changes to Figure 28...................................................................... 14

5/08—Revision 0: Initial Version

Test Circuits..................................................................................... 10

Switching Characteristics .............................................................. 11

Circuit Description......................................................................... 12

Electrical Isolation...................................................................... 12

Truth Tables................................................................................. 12

Thermal Shutdown .................................................................... 13

True Fail-Safe Receiver Inputs .................................................. 13

Magnetic Field Immunity.......................................................... 13

Applications Information .............................................................. 14

Isolated Power Supply Circuit .................................................. 14

PC Board Layout ........................................................................ 14

Typical Applications................................................................... 15

Outline Dimensions ....................................................................... 16

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

Rev. C | Page 2 of 16

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