AD8311

Rev. A | Page 2 of 24

TABLE OF CONTENTS

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

 

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

 

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

 

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

 

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

 

Theory of Operation ...................................................................... 11

 

Basic Theory................................................................................ 11

 

Controller-Mode Log Amps ..................................................... 12

 

Control Loop Dynamics............................................................ 12

 

Basic Connections ...................................................................... 14

 

Range on VSET and RFIN......................................................... 14

 

Transient Response..................................................................... 15

 

Mobile Handset Power Control Example ............................... 15

 

Power-On and Power-Off ......................................................... 16

 

Input Coupling Options ............................................................ 16

 

Temperature Drift ...................................................................... 17

 

Device Calibration and Error Calculation.............................. 17

 

Selecting Calibration Points to Improve Accuracy over a

Reduced Range ........................................................................... 18

 

Device Handling......................................................................... 19

 

Evaluation Board ............................................................................ 20

 

Outline Dimensions ....................................................................... 22

 

Ordering Guide .......................................................................... 22

 

REVISION HISTORY

1/11—Rev. 0 to Rev. A

Updated Outline Dimensions ....................................................... 22

Changes to Ordering Guide .......................................................... 22

6/05—Revision 0: Initial Version