ADA4891-1/ADA4891-2/ADA4891-3/ADA4891-4

Rev. B | Page 2 of 2

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TABLE OF CONTENTS

Features .............................................................................................. 1

 

Applications....................................................................................... 1

 

General Description ......................................................................... 1

 

Connection Diagrams...................................................................... 1

 

Revision History ............................................................................... 2

 

Specifications..................................................................................... 3

 

5 V Operation ............................................................................... 3

 

3 V Operation ............................................................................... 4

 

Absolute Maximum Ratings............................................................ 6

 

Maximum Power Dissipation ..................................................... 6

 

ESD Caution.................................................................................. 6

 

Typical Performance Characteristics ............................................. 7

 

Applications Information .............................................................. 15

 

Using the ADA4891 ................................................................... 15

 

Wideband, Noninverting Gain Operation.............................. 15

 

Wideband, Inverting Gain Operation ..................................... 15

 

Recommended Values ............................................................... 15

 

Effect of RF on 0.1 dB Gain Flatness ........................................ 16

 

Driving Capacitive Loads.......................................................... 17

 

Terminating Unused Amplifiers .............................................. 18

 

Disable Feature (ADA4891-3 Only) ........................................ 18

 

Single-Supply Operation ........................................................... 18

 

Video Reconstruction Filter...................................................... 19

 

Multiplexer .................................................................................. 19

 

Layout, Grounding, and Bypassing.............................................. 20

 

Power Supply Bypassing ............................................................ 20

 

Grounding ................................................................................... 20

 

Input and Output Capacitance ................................................. 20

 

Input-to-Output Coupling ........................................................ 20

 

Leakage Currents........................................................................ 20

 

Outline Dimensions ....................................................................... 21

 

Ordering Guide .......................................................................... 23

 

REVISION HISTORY

7/10—Rev. A to Rev. B

Added ADA4891-3 and ADA4891-4 ...............................Universal

Added 14-Lead SOIC and 14-Lead TSSOP Packages....Universal

Deleted Figure 4; Renumbered Figures Sequentially................... 1

Changes to Features Section and General Description Section . 1

Added Figure 4 and Figure 5........................................................... 1

Changes to Table 1............................................................................ 3

Changes to Table 2............................................................................ 4

Changes to Maximum Power Dissipation Section

and Figure 6....................................................................................... 6

Added Table 4; Renumbered Tables Sequentially ........................ 6

Deleted Figure 11.............................................................................. 6

Changes to Typical Performance Characteristics Section........... 7

Deleted Figure 12.............................................................................. 7

Changes to Wideband, Noninverting Gain Operation Section,

Wideband, Inverting Gain Operation Section, and Table 5 ..... 15

Added Table 6.................................................................................. 16

Changes to Figure 52...................................................................... 16

Added Figure 53 ............................................................................. 16

Changed Layout of Driving Capacitive Loads Section.............. 17

Added Disable Feature (ADA4891-3 Only) Section

and Single-Supply Operation Section.......................................... 18

Added Multiplexer Section ........................................................... 19

Updated Outline Dimensions....................................................... 21

Changes to Ordering Guide .......................................................... 23

6/10—Rev. 0 to Rev. A

Changes to Figure 26.........................................................................9

Changes to Figure 33 and Figure 34............................................. 10

Updated Outline Dimensions....................................................... 18

Changes to Ordering Guide .......................................................... 18

2/10—Revision 0: Initial Version