ADA4891-1/ADA4891-2

Rev. A | Page 2 of 20

TABLE OF CONTENTS

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

 

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

 

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

 

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

 

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

 

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

 

Absolute Maximum Ratings............................................................ 5

 

Maximum Power Dissipation ..................................................... 5

 

ESD Caution.................................................................................. 5

 

Typical Performance Characteristics ............................................. 6

 

Applications Information .............................................................. 12

 

Using the ADA4891 ................................................................... 12

 

Wideband, Noninverting Operation........................................ 12

 

Wideband, Inverting Gain Operation ..................................... 12

 

Recommended Values ............................................................... 12

 

Effect of RF on 0.1 dB Gain Flatness ........................................ 13

 

Driving Capacitive Loads.......................................................... 14

 

Terminating Unused Amplifiers .............................................. 15

 

Video Reconstruction Filter...................................................... 15

 

Layout, Grounding, and Bypassing.............................................. 16

 

Power Supply Bypassing ............................................................ 16

 

Grounding ................................................................................... 16

 

Input and Output Capacitance ................................................. 16

 

Input-to-Output Coupling ........................................................ 16

 

Leakage Currents........................................................................ 16

 

Outline Dimensions ....................................................................... 17

 

Ordering Guide .......................................................................... 18

 

REVISION HISTORY

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