AD8432

Rev. 0 | Page 2 of 28

TABLE OF CONTENTS

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

 

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

 

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

 

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

 

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

 

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

 

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

 

Thermal Resistance ...................................................................... 5

 

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

 

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

 

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

 

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

 

Test Circuits..................................................................................... 16

 

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

 

Low Noise Amplifier (LNA) ..................................................... 18

 

Gain Setting Technique ............................................................. 18

 

Active Input Resistance Matching............................................ 19

 

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

 

Typical Setup............................................................................... 21

 

I/Q Demodulation Front End................................................... 23

 

Differential-to-Single-Ended Conversion............................... 24

 

Evaluation Board ............................................................................ 25

 

Gain Setting................................................................................. 25

 

Power Supply............................................................................... 27

 

Input Termination ...................................................................... 27

 

Output.......................................................................................... 27

 

Outline Dimensions ....................................................................... 28

 

Ordering Guide .......................................................................... 28

 

REVISION HISTORY

10/09—Revision 0: Initial Version