
AD9858
TABLE OF CONTENTS
Features..........................................................................................1
Rev. A | Page 2 of 32
Applications...................................................................................1
General Description.....................................................................1
Functional Block Diagram..........................................................1
AD9858—Electrical Specifications................................................3
Absolute Maximum Ratings............................................................6
ESD Caution..................................................................................6
Pin Configuration.............................................................................7
Pin Function Descriptions ..............................................................8
Typical Performance Characteristics...........................................10
Theory of Operation......................................................................15
Overview ..................................................................................... 15
Component Blocks..................................................................... 15
Modes of Operation................................................................... 17
Synchronization.......................................................................... 19
Programming the AD9858........................................................ 21
AD9858 Application Suggestions............................................. 29
Evaluation Boards ...................................................................... 30
Outline Dimensions....................................................................... 31
Warning....................................................................................... 31
Ordering Guide .......................................................................... 31
REVISION HISTORY
11/03—Data Sheet Changed from a REV. 0 to a REV. A
Changes to SPECIFICATIONS........................................................5
Moved ESD Caution to.....................................................................6
Moved Pin Configuration to............................................................7
Moved Pin Function Description to...............................................8
Changes to Equations........................................................................19
Changes to Delta Frequency Ramp Rate Word (DFRRW)..........27