ADM2486BRW 查看數據表（PDF） - Analog Devices

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ADM2486BRW

High Speed, Half-Duplex iCoupler Isolated RS-485 Transceiver

Analog Devices 

ADM2486

TABLE OF CONTENTS

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

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

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

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

ADM2486 Characteristics ............................................................... 7

Package Characteristics ............................................................... 7

Regulatory Information............................................................... 7

Insulation and Safety-Related Specifications............................ 7

VDE 0884 Insulation Characteristics ........................................ 8

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

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

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

Typical Performance Characteristics ........................................... 12

REVISION HISTORY

3/05—Rev. B to Rev. C

Change to Package Characteristics................................................. 7

Changes to Figure 12, Figure 14, and Figure 15 ......................... 11

Change to Power_Valid Input Section......................................... 16

1/05—Rev. A to Rev. B

Added PROFIBUS logo ................................................................... 1

11/04—Rev. 0 to Rev. A

Changes to Figure 1.......................................................................... 1

Changes to Figure 6........................................................................ 10

Added Figure 22 through Figure 25............................................. 13

Updated Outline Dimensions ....................................................... 18

Changes to Ordering Guide .......................................................... 18

Circuit Description......................................................................... 14

Electrical Isolation...................................................................... 14

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

Power-Up/Power-Down Thresholds ....................................... 14

Thermal Shutdown .................................................................... 15

Receiver Fail-Safe Inputs ........................................................... 15

Magnetic Field Immunity.......................................................... 15

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

Power_Valid Input ..................................................................... 16

Isolated Power Supply Circuit .................................................. 17

Outline Dimensions ....................................................................... 18

Ordering Guide .......................................................................... 18

Rev. C | Page 2 of 20

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