AD8335

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TABLE OF CONTENTS

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

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

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

Pin Configuration and Function Descriptions ............................. 6

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

Test Circuits..................................................................................... 15

Theory of Operation ...................................................................... 16

Enable Summary......................................................................... 16

Preamp ......................................................................................... 17

Noise......................................................................................... 17

VGA.............................................................................................. 18

Optimizing the System Dynamic Range ............................. 18

Attenuator................................................................................ 18

Gain Control ........................................................................... 19

Output Stage ........................................................................... 19

VGA Noise .............................................................................. 19

Applications..................................................................................... 20

Ultrasound................................................................................... 20

Basic Connections ...................................................................... 21

Preamp Connections.................................................................. 21

Input Overdrive .......................................................................... 23

Input Overload Protection.................................................... 23

Logic Inputs................................................................................. 23

Common-Mode Pins ................................................................. 23

Driving ADCs ............................................................................. 23

Outline Dimensions ....................................................................... 24

Ordering Guide........................................................................... 24

REVISION HISTORY

9/04—Revision 0: Initial Version