AD8315 Data Sheet
Rev. D | Page 2 of 22
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 ........................................... 15
Basic Connections ...................................................................... 16
Range on VSET and RFIN ........................................................ 16
Transient Response .................................................................... 16
Mobile Handset Power Control Example ............................... 18
Enable and Power-On ................................................................ 18
Input Coupling Options ............................................................ 19
Using the Chip Scale Package ................................................... 19
Evaluation Board ........................................................................ 19
Outline Dimensions ....................................................................... 21
Ordering Guide .......................................................................... 21
REVISION HISTORY
8/2016—Rev. C to Rev. D
Changes to Figure 2 and Table 4 ..................................................... 6
Added Figure 3; Renumbered Sequentially .................................. 6
Updated Outline Dimensions ....................................................... 21
Changes to Ordering Guide .......................................................... 21
6/2006—Rev. B to Rev. C
Updated Format .................................................................. Universal
Changes to Ordering Guide .......................................................... 23
1/2003—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
10/1999—Revision 0: Initial Version
