Datasheet

AD8657
Rev. A | Page 2 of 24
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
Pin Configuration ............................................................................. 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3 
Electrical Characteristics—2.7 V Operation ............................ 3
Electrical Characteristics—10 V Operation ............................. 4
Electrical Characteristics—18 V Operation ............................. 5
Absolute Maximum Ratings ............................................................ 6
Thermal Resistance ...................................................................... 6
ESD Caution .................................................................................. 6
Typical Performance Characteristics ............................................. 7
Applications Information .............................................................. 17
Input Stage ................................................................................... 17
Output Stage ................................................................................ 17
Rail to Rail ................................................................................... 18
Resistive Load ............................................................................. 18
Comparator Operation .............................................................. 19
EMI Rejection Ratio .................................................................. 20
4 mA to 20 mA Process Control Current Loop
Transmitter .................................................................................. 20

Outline Dimensions ....................................................................... 21
Ordering Guide .......................................................................... 21
REVISION HISTORY
3/11—Rev. 0 to Rev. A
Added LFCSP Package Information ........................... Throughout
Added Figure 2, Renumbered Subsequent Figures ................... 1
Changes to Table 2, Introductory Text; Input Characteristics,
Offset Voltage and Common-Mode Rejection Ratio Test
Conditions/Comments; and Dynamic Performance, Phase
Margin Values ................................................................................... 3
Changes to Table 3, Introductory Text; Input Characteristics,
Offset Voltage and Common-Mode Rejection Ratio Test
Conditions/Comments .................................................................... 4
Changes to Table 4, Introductory Text; Input Characteristics,
Offset Voltage and Common-Mode Rejection Ratio Test
Conditions/Comments .................................................................... 5
Changes to Thermal Resistance Section and Table 5 ................... 6
Updated Outline Dimensions ....................................................... 21
Changes to Ordering Guide .......................................................... 21
1/11—Revision 0: Initial Version