adm2485 Analog Devices, Inc., adm2485 Datasheet - Page 2

• Manufacturer Part Number: adm2485
• Description: High Speed Isolated Rs-485 Transceiver With Integrated Transformer Driver
• Manufacturer: Analog Devices, Inc.

ADM2485
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Functional Block Diagram .............................................................. 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 5
ADM2485 Characteristics ............................................................... 6
Pin Configuration and Function Descriptions............................. 8
REVISION HISTORY
1/07—Revision 0: Initial Version
Timing Specifications .................................................................. 4
ESD Caution.................................................................................. 5
Package Characteristics ............................................................... 6
Regulatory Information............................................................... 6
Insulation and Safety-Related Specifications............................ 6
VDE 0884-2 Insulation Characteristics..................................... 7
Rev. 0 | Page 2 of 20
Test Circuits........................................................................................9
Switching Characteristics .............................................................. 10
Typical Performance Characteristics ........................................... 11
Circuit Description......................................................................... 14
Applications Information .............................................................. 16
Outline Dimensions ....................................................................... 17
Electrical Isolation...................................................................... 14
Truth Tables................................................................................. 14
Thermal Shutdown .................................................................... 15
Receiver Fail-Safe Inputs ........................................................... 15
Magnetic Field Immunity.......................................................... 15
Printed Circuit Board Layout ................................................... 16
Transformer Suppliers .............................................................. 16
Applications Diagram................................................................ 16
Ordering Guide .......................................................................... 17