
AD9786
Rev. B | Page 2 of 56
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Product Highlights ........................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 3
General Description ......................................................................... 4
Specifications..................................................................................... 5
DC Specifications ......................................................................... 5
Dynamic Specifications ............................................................... 6
Digital Specifications ................................................................... 7
Absolute Maximum Ratings............................................................ 8
Thermal Resistance ...................................................................... 8
ESD Caution.................................................................................. 8
Pin Configuration and Function Descriptions............................. 9
Clock .............................................................................................. 9
Analog.......................................................................................... 10
Data .............................................................................................. 10
Serial Interface ............................................................................ 11
Terminology .................................................................................... 12
Typical Performance Characteristics ........................................... 14
Serial Control Interface.................................................................. 20
General Operation of the Serial Interface............................... 20
Serial Interface Port Pin Descriptions ..................................... 20
MSB/LSB Transfers .................................................................... 21
Notes on Serial Port Operation ................................................ 21
Mode Control (via Serial Port) ..................................................... 22
Digital Filter Specifications ........................................................... 26
Digital Interpolation Filter Coefficients.................................. 26
Clock/Data Timing .................................................................... 27
Real and Complex Signals......................................................... 32
Modulation Modes..................................................................... 33
Power Dissipation....................................................................... 38
Hilbert Transform Implementation......................................... 40
Operating the AD9786 Rev. F Evaluation Board ....................... 44
Power Supplies ............................................................................ 44
PECL Clock Driver .................................................................... 44
Data Inputs.................................................................................. 45
Serial Port .................................................................................... 45
Analog Output ............................................................................ 45
Outline Dimensions ....................................................................... 55
Ordering Guide .......................................................................... 55