adm2481 Analog Devices, Inc., adm2481 Datasheet - Page 2

• Manufacturer Part Number: adm2481
• Description: Half-duplex, Icoupler Isolated Rs-485 Transceiver Adm2481
• Manufacturer: Analog Devices, Inc.

ADM2481
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
Functional Block Diagram .............................................................. 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
Absolute Maximum Ratings ............................................................ 6
Pin Configuration and Function Descriptions ............................. 7
REVISION HISTORY
7/10—Revision 0: Initial Version
Timing Specifications .................................................................. 4
Package Characteristics ............................................................... 4
Regulatory Information (Pending) ............................................ 4
Insulation and Safety-Related Specifications ............................ 4
VDE 0884 Insulation Characteristics (Pending) ...................... 5
ESD Caution .................................................................................. 6
Rev. 0 | Page 2 of 20
Typical Performance Characteristics ..............................................8
Test Circuits ..................................................................................... 11
Switching Characteristics .............................................................. 12
Circuit Description......................................................................... 13
Applications Information .............................................................. 16
Outline Dimensions ....................................................................... 17
Electrical Isolation ...................................................................... 13
Truth Tables................................................................................. 14
Thermal Shutdown .................................................................... 14
True Fail-Safe Receiver Inputs .................................................. 14
Magnetic Field Immunity .......................................................... 14
Printed Circuit Board (PCB) Layout ....................................... 16
Isolated Power Supply Circuit .................................................. 16
Ordering Guide .......................................................................... 17