AD8315

Rev. C | Page 2 of 24

TABLE OF CONTENTS

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

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

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

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

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

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

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

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

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

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

Theory of Operation ...................................................................... 12

Basic Theory................................................................................ 12

Controller-Mode Log Amps ..................................................... 13

Control Loop Dynamics............................................................ 13

Practical Loop ............................................................................. 15

A Note About Power Equivalency ........................................... 16

Basic Connections...................................................................... 16

Range on VSET and RFIN ........................................................ 17

Transient Response .................................................................... 17

Mobile Handset Power Control Example ............................... 18

Enable and Power-On................................................................ 19

Input Coupling Options ............................................................ 19

Using the Chip Scale Package ................................................... 20

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

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

Ordering Guide .......................................................................... 23

REVISION HISTORY

6/06—Rev.

B to Rev. C

Updated Format..................................................................Universal

Changes to Ordering Guide .......................................................... 23

1/03—Rev. 0 to Rev.

B

Edits to Product Description Section ............................................ 1

Edit to Functional Block Diagram ................................................. 1

Edits to Specifications ...................................................................... 2

Edits to Absolute Maximum Ratings ............................................. 3

Ordering Guide Updated................................................................. 3

TPC 9 Replaced with New Figure .................................................. 5

Edits to TPC 27 ................................................................................. 8

Edit to Figure 1.................................................................................. 9

Edit to Figure 3................................................................................ 10

Edit to Equation 9........................................................................... 10

Edit to Equation 10......................................................................... 10

Edit to Equation 11......................................................................... 10

Edits to Example section ............................................................... 10

Edit to Basic Connections Section ............................................... 12

Edits to Input Coupling Options Section.................................... 14

Table III Becomes Table II............................................................. 15

Table II Recommended Components Deleted ........................... 15

Using the Chip-Scale Package Section Added............................ 15

Edits to Evaluation Board Section................................................ 15

Figure 12 Title Edited..................................................................... 16

Figure 13 Title Edited..................................................................... 16

8-Lead Chip Scale Package (CP-8) Added .................................. 17

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

10/99—Revision 0: Initial Version