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