Datasheet

ADM2491E
Rev. B | Page 2 of 16
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 Functional Descriptions .......................... 7
Test Circuits ....................................................................................... 8
Switching Characteristics .................................................................9
Typical Performance Characteristics ........................................... 10
Circuit Description......................................................................... 12
Electrical Isolation ...................................................................... 12
Truth Tables................................................................................. 12
Thermal Shutdown .................................................................... 13
Fail-Safe Receiver Inputs ........................................................... 13
Magnetic Field Immunity.......................................................... 13
Applications Information .............................................................. 14
Isolated Power Supply Circuit .................................................. 14
PCB Layout ................................................................................. 14
Typical Applications ................................................................... 15
Outline Dimensions ....................................................................... 16
Ordering Guide .......................................................................... 16
REVISION HISTORY
12/10—Rev. A to Rev. B
Changes to Figure 31 ...................................................................... 15
12/08—Rev. 0 to Rev. A
Updated Regulatory Approval Status Throughout ...................... 1
Changes to Table 7 ............................................................................ 6
10/07
—Revision 0: Initial Version