
AD9925
TABLE OF CONTENTS
Specifications.....................................................................................3
Rev. A | Page 2 of 96
Digital Specifications........................................................................4
Vertical Driver Specifications .........................................................5
Analog Specifications.......................................................................6
Timing Specifications.......................................................................7
Absolute Maximum Ratings............................................................8
Package Thermal Characteristics...............................................8
ESD Caution..................................................................................8
Pin Configuration and Function Descriptions.............................9
Terminology....................................................................................11
Equivalent Circuits.........................................................................12
Typical Performance Characteristics...........................................13
System Overview........................................................................14
Precision Timing
High Speed Timing Generation..................15
Horizontal Clamping and Blanking.........................................18
Horizontal Timing Sequence Example....................................21
Vertical Timing Generation...................................................... 22
Vertical Timing Example........................................................... 34
Shutter Timing Control............................................................. 36
Example of Exposure and Readout of Interlaced Frame........... 41
FG_TRIG Operation.................................................................. 43
Analog Front End Description and Operation...................... 45
Vertical Driver Signal Configuration ...................................... 47
Power-Up and Synchronization............................................... 51
Standby Mode Operation.......................................................... 55
Circuit Layout Information....................................................... 57
Serial Interface Timing.............................................................. 59
Complete Listing for Register Bank 1.......................................... 62
Complete Listing for Register Bank 2.......................................... 66
Complete Listing for Register Bank 3.......................................... 87
Outline Dimensions....................................................................... 94
Ordering Guide .......................................................................... 94
REVISION HISTORY
10/04—Data Sheet Changed from Rev. 0 to Rev. A
Changes to Specifications........................................................................................3
Added Stress Disclaimer..........................................................................................8
Changes to Figure 12................................................................................................13
Changes to Figure 22................................................................................................18
Changes to Figure 55................................................................................................45
Change to DC Restore Section ...............................................................................45
Change to Correlated Double Sampler Section....................................................45
Change to ADC Section...........................................................................................46
Change to Digital Data Outputs Section...............................................................46
Added Paragraph to Digital Data Outputs Section..............................................46
Changes to Table 34..................................................................................................55
Change to Circuit Layout Information Section....................................................57
Changes to Register Address Bank 1, Bank 2, and Bank 3 Section ...................60
Changes to Table 40..................................................................................................63
Change to Table 46...................................................................................................65
Changes to Tables 47–56, 58–73.............................................................................66
4/04—Revision 0: Initial Version