adm2486 Analog Devices, Inc., adm2486 Datasheet - Page 2

• Manufacturer Part Number: adm2486
• Description: High Speed, Half-duplex Icoupler Isolated Rs-485 Transceiver
• Manufacturer: Analog Devices, Inc.

ADM2486
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Timing Specifications....................................................................... 5
ADM2486 Characteristics ............................................................... 6
Absolute Maximum Ratings............................................................ 8
Pin Configuration and Function Descriptions............................. 9
Test Circuits..................................................................................... 10
REVISION HISTORY
2/06—Rev. C to Rev. D
Updated Format..................................................................Universal
Changes to Table 1............................................................................ 3
Changes to Table 8............................................................................ 9
Changes to Figure 22 and Figure 23............................................. 13
Changes to Table 9 and Table 10................................................... 14
Added PC Board Layout Section ................................................. 16
Changes to Isolated Power Supply Circuit Section and
Figure 32 .......................................................................................... 17
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
Package Characteristics ............................................................... 6
Regulatory Information............................................................... 6
Insulation and Safety-Related Specifications............................ 6
VDE 0884 Insulation Characteristics ........................................ 7
ESD Caution.................................................................................. 8
Rev. D | Page 2 of 20
Switching Characteristics .............................................................. 11
Typical Performance Characteristics ........................................... 12
Circuit Description......................................................................... 14
Applications Information .............................................................. 16
Outline Dimensions ....................................................................... 18
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
Electrical Isolation...................................................................... 14
Truth Tables................................................................................. 14
Power-Up/Power-Down Thresholds ....................................... 14
Thermal Shutdown .................................................................... 15
Receiver Fail-Safe Inputs ........................................................... 15
Magnetic Field Immunity.......................................................... 15
PC Board Layout ........................................................................ 16
Power_Valid Input ..................................................................... 16
Isolated Power Supply Circuit .................................................. 17
Ordering Guide .......................................................................... 18