AD603
TABLE OF CONTENTS
Features .............................................................................................. 1
Programming the Fixed-Gain Amplifier Using Pin Strapping
....................................................................................................... 12
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
Theory of Operation ...................................................................... 11
Noise Performance ..................................................................... 11
The Gain Control Interface....................................................... 12
Using the AD603 in Cascade ........................................................ 14
Sequential Mode (Optimal SNR)............................................. 14
Parallel Mode (Simplest Gain Control Interface) .................. 16
Low Gain Ripple Mode (Minimum Gain Error) ................... 16
Applications Information.............................................................. 17
A Low Noise AGC Amplifier.................................................... 17
Caution ........................................................................................ 18
Evaluation Board ............................................................................ 19
Outline Dimensions....................................................................... 21
Ordering Guide .......................................................................... 21
REVISION HISTORY
3/10—Rev. H to Rev. I
4/04—Rev. E to Rev. F
Added Figure 48; Renumbered Sequentially ............................. 19
Added Figure 52 and Figure 53..................................................... 20
Deleted Table 5; Renumbered Sequentially ................................ 20
Changes to Specifications.................................................................2
Changes to Ordering Guide.............................................................3
8/03—Rev. D to Rev E
5/07—Rev. G to Rev. H
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
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
Rev. I | Page 2 of 24
ROCHESTER [ Rochester Electronics ]
