Datasheet
AD8337
Rev. C | Page 2 of 32
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
Functional Block Diagram .............................................................. 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
Absolute Maximum Ratings ............................................................ 5
ESD Caution .................................................................................. 5
Pin Configuration and Function Descriptions ............................. 6
Typical Performance Characteristics ............................................. 7
Test Circuits ..................................................................................... 14
Theory of Operation ...................................................................... 18
Overvie w ...................................................................................... 18
Preamplifier ................................................................................. 18
VGA .............................................................................................. 18
Gain Control ............................................................................... 18
Output Stage ................................................................................ 19
Attenuator .................................................................................... 19
Single-Supply Operation and AC Coupling ........................... 19
Noise ............................................................................................ 19
Applications Information .............................................................. 20
Preamplifier Connections ......................................................... 20
Driving Capacitive Loads .......................................................... 20
Gain Control Considerations ................................................... 21
Thermal Considerations ............................................................ 22
PSI (Ψ) ......................................................................................... 22
Board Layout ............................................................................... 22
Evaluation Boards ........................................................................... 23
Circuit Options ........................................................................... 24
Output Protection ...................................................................... 24
Measurement Setup.................................................................... 25
Board Layout Considerations ................................................... 25
Bill of Materials ........................................................................... 27
Outline Dimensions ....................................................................... 29
Ordering Guide .......................................................................... 29
REVISION HISTORY
9/08—Rev. B to Rev. C
Changes to Table 1 ............................................................................ 3
Added Exposed Pad Note to Figure 2 and Table 3 ....................... 6
Changes to Figure 49 ...................................................................... 14
Changes to Evaluation Boards Section ........................................ 23
Changes to Circuit Options Section ............................................. 24
Changes to Output Protection Section ........................................ 24
Changes to Measurement Setup Section ..................................... 25
Changes to Board Layout Considerations Section ..................... 25
Changes to Bill of Materials Section ............................................ 27
Updated Outline Dimensions, Changes to Ordering Guide .... 29
2/07—Rev. A to Rev. B
Changes to Figure 30, Figure 31, and Figure 32 ......................... 11
Changes to Single-Supply Operation and
AC Coupling Section ..................................................................... 19
Moved Noise Section to Page ........................................................ 19
Changes to Ordering Guide .......................................................... 24
6/06—Rev. 0 to Rev. A
Updated Format .................................................................. Universal
Changes to Table 3 ............................................................................. 6
Changes to Figure 22, Figure 25, and Figure 26 ......................... 10
Changes to Figure 39 and Figure 40............................................. 13
Changes to Figure 74 and Figure 75............................................. 23
Updated Outline Dimensions ....................................................... 25
Changes to Ordering Guide .......................................................... 25
9/05—Revision 0: Initial Version