ADA4896-2/ADA4897-1

Rev. 0 | Page 2 of 28

TABLE OF CONTENTS

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

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

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

Functional Block Diagram .............................................................. 1

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

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

±5 V Supply ................................................................................... 3

+5 V Supply ................................................................................... 5

+3 V Supply ................................................................................... 7

Absolute Maximum Ratings............................................................ 9

Thermal Resistance ...................................................................... 9

Maximum Power Dissipation ..................................................... 9

ESD Caution.................................................................................. 9

Pin Configurations and Function Descriptions ......................... 10

Typical Performance Characteristics ........................................... 12

Theory of Operation ...................................................................... 18

Amplifier Description................................................................ 18

Input Protection ......................................................................... 18

Disable Operation ...................................................................... 18

DC Errors .................................................................................... 19

Noise Considerations................................................................. 19

Capacitance Drive ...................................................................... 20

Applications Information .............................................................. 21

Typical Performance Values...................................................... 21

Low Noise Gain Selectable Amplifier...................................... 22

Medical Ultrasound Applications ............................................ 23

Layout Considerations............................................................... 24

Ground Plane.............................................................................. 24

Power Supply Bypassing ............................................................ 24

Outline Dimensions ....................................................................... 25

Ordering Guide .......................................................................... 27

REVISION HISTORY

7/11—Revision 0: Initial Version