AD8218
Data Sheet
 
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 
Absolute Maximum Ratings ............................................................ 4 
ESD Caution .................................................................................. 4 
Pin Configurations and Function Descriptions ........................... 5 
Typical Performance Characteristics ............................................. 6 
Theory of Operation ...................................................................... 10 
Amplifier Core ............................................................................ 10 
Output Clamping ....................................................................... 10 
Application Notes ........................................................................... 11 
Supply (V
S
) Connections ........................................................... 11 
Enable Pin (ENB) Operation .................................................... 11 
Applications Information .............................................................. 12 
Unidirectional High-Side Current Sensing ............................ 12 
Bidirectional High-Side Current Sensing ............................... 12 
Motor Control Current Sensing ............................................... 12 
Outline Dimensions ....................................................................... 13 
Ordering Guide .......................................................................... 13 
 
 
REVISION HISTORY
4/13Rev. A to Rev. B
Added 8-Lead LFCSP ......................................................... Universal
Changes to General Description Section ...................................... 1
Added Figure 3, Renumbered Sequentially .................................. 5
Changes to Table 3 ............................................................................ 5
Added Figure 37 .............................................................................. 13
Updated Outline Dimensions ....................................................... 13
Changes to Ordering Guide .......................................................... 13
2/11Rev. 0 to Rev. A
Changes to Features .......................................................................... 1
1/11Revision 0: Initial Version
 
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