Datasheet
AD8278/AD8279
Rev. C | Page 2 of 24
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description......................................................................... 1
Functional Block Diagrams............................................................. 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 7
Thermal Resistance ...................................................................... 7
Maximum Power Dissipation ..................................................... 7
Short-Circuit Current .................................................................. 7
ESD Caution.................................................................................. 7
Pin Configurations and Function Descriptions ........................... 8
Typical Performance Characteristics ..............................................9
Theory of Operation ...................................................................... 16
Circuit Information.................................................................... 16
Driving the AD8278 and AD8279 ........................................... 16
Input Voltage Range................................................................... 16
Power Supplies............................................................................ 17
Applications Information.............................................................. 18
Configurations............................................................................ 18
Differential Output .................................................................... 19
Instrumentation Amplifier........................................................ 19
Outline Dimensions ....................................................................... 20
Ordering Guide .......................................................................... 21
REVISION HISTORY
1/11—Rev. B to Rev. C
Change to Impedance/Differential Parameter, Table 3 ............... 4
Change to Impedance/Differential Parameter, Table 5 ............... 6
4/10—Rev. A to Rev. B
Changed Supply Current Parameters to AD8278 Supply Current
Parameter and AD8279 Supply Current Parameter, Table 5 ...... 6
Updated Outline Dimensions....................................................... 20
10/09—Rev. 0 to Rev. A
Added AD8279 and 14-Lead SOIC Model .....................Universal
Changes to Features.......................................................................... 1
Changes to General Description .................................................... 1
Change to Table 2 ............................................................................. 3
Change to Table 3 ..............................................................................4
Change to Table 4 ..............................................................................5
Change to Table 5 ..............................................................................6
Added Figure 6 and Table 9 .............................................................8
Changes to Figure 31 and Figure 32............................................. 13
Changes to Figure 40, Figure 41, and Figure 42 ......................... 14
Added Figure 47; Renumbered Sequentially .............................. 15
Changes to Figure 51 to Figure 57................................................ 18
Added Differential Output Section.............................................. 19
Changes to Figure 59...................................................................... 19
Updated Outline Dimensions....................................................... 21
Changes to Ordering Guide.......................................................... 21
7/09—Revision 0: Initial Version