AD603

Data Sheet

Rev. K | 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............................................................ 4

 

ESD Caution.................................................................................. 4

 

Pin Configurations and Function Descriptions ........................... 5

 

Typical Performance Characteristics ............................................. 6

 

Test Circuits..................................................................................... 11

 

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

 

Noise Performance ..................................................................... 12

 

The Gain Control Interface....................................................... 13

 

Programming the Fixed-Gain Amplifier Using Pin

Strapping...................................................................................... 13

 

Using the AD603 in Cascade ........................................................ 15

 

Sequential Mode (Optimal SNR) ............................................. 15

 

Parallel Mode (Simplest Gain Control Interface) .................. 16

 

Low Gain Ripple Mode (Minimum Gain Error) ................... 17

 

Applications Information .............................................................. 18

 

A Low Noise AGC Amplifier.................................................... 18

 

Caution ........................................................................................ 19

 

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

 

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

 

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

 

REVISION HISTORY

4/12—Rev. J to Rev. K

Changes to Table 1............................................................................ 3

Added Figure 10 and Figure 11; Renumbered Sequentially ....... 7

Added Test Circuits Section .......................................................... 11

Moved Figure 29 and Figure 30 .................................................... 11

12/11—Rev. I to Rev. J

Changes to Figure 1 ......................................................................... 1

Changes to Evaluation Board Section.......................................... 19

Changes to Figure 48 Through Figure 50.................................... 19

Changes to Figure 51 Through Figure 54.................................... 20

Added Figure 57.............................................................................. 22

5/07—Rev. G to Rev. H

Changes to Layout .......................................................................... 14

Changes to Layout .......................................................................... 15

Changes to Layout .......................................................................... 16

Inserted Evaluation Board Section, and Figure 48 to

Figure 51 .......................................................................................... 19

Inserted Figure 52 and Table 4...................................................... 20

Changes to Ordering Guide .......................................................... 21

3/05—Rev. F to Rev. G

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

Change to Features ............................................................................1

Changes to General Description .....................................................1

Change to Figure 1 ............................................................................1

Changes to Specifications.................................................................3

New Figure 4 and Renumbering Subsequent Figures ..................6

Change to Figure 10 ..........................................................................7

Change to Figure 23 ..........................................................................9

Change to Figure 29 ....................................................................... 12

Updated Outline Dimensions....................................................... 20

4/04—Rev. E to Rev. F

Changes to Specifications.................................................................2

Changes to Ordering Guide .............................................................3

8/03—Rev. D to Rev E

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

Changes to Specifications.................................................................2

Changes to TPCs 2, 3, 4 ....................................................................4

Changes to Sequential Mode (Optimal S/N Ratio) section.........9

Change to Figure 8 ......................................................................... 10

Updated Outline Dimensions....................................................... 14