
AD9739
Rev. A | Page 2 of 56
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Product Highlights ........................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
DC Specifications ......................................................................... 3
Digital Specifications ................................................................... 4
AC Specifications.......................................................................... 5
Absolute Maximum Ratings............................................................ 7
Thermal Resistance ...................................................................... 7
ESD Caution.................................................................................. 7
Pin Configurations and Function Descriptions ........................... 8
Typical Performance Characteristics ........................................... 11
Static Linearity ............................................................................ 11
Dynamic Performance Normal Mode, 20 mA Full Scale
(Unless Otherwise Noted)......................................................... 13
Dynamic Performance Mix Mode, 20 mA Full Scale............ 17
DOCSIS Performance................................................................ 19
Terminology .................................................................................... 24
Theory of Operation ...................................................................... 25
Serial Peripheral Interface ......................................................... 25
General Operation of the Serial Interface ............................... 25
Instruction Mode (8-Bit Instruction) ...................................... 25
Serial Interface Port Pin Descriptions ..................................... 25
SCLK—Serial Clock............................................................... 25
CS—Chip Select...................................................................... 25
SDIO—Serial Data I/O.......................................................... 25
SDO—Serial Data Out........................................................... 25
MSB/LSB Transfers..................................................................... 26
Serial Port Configuration .......................................................... 26
SPI Register Map ............................................................................ 27
SPI Registers................................................................................ 28
Applications Information .............................................................. 37
Analog Modes of Operation ..................................................... 37
LVDS Data Port Interface.......................................................... 37
Clocking the AD9739 ................................................................ 39
Applying Data to the AD9739 .................................................. 40
Mu Delay Controller.................................................................. 41
Mu Control Operation............................................................... 41
Search Mode ........................................................................... 41
Track Mode ............................................................................. 42
Mu Delay and Phase Readback ............................................ 42
Operating the Mu Controller Manually.............................. 42
Calculating Mu Delay Line Step Size................................... 42
Synchronization Controller ...................................................... 43
Operation in Master Mode ................................................... 44
Operation in Slave Mode ...................................................... 45
Data Receiver Operation in Auto Mode ................................. 45
Data Receiver Operation in Manual Mode............................. 46
Calculating the DCI Delay Line Step Size .......................... 46
Maximum Allowable Data Timing Skew/Jitter ...................... 46
Optimizing the Clock Common-Mode Voltage .................... 47
Analog Control Registers .......................................................... 47
Mirror Roll-Off Frequency Control......................................... 47
Voltage Reference ....................................................................... 47
Analog Outputs .......................................................................... 48
Interrupt Requests...................................................................... 49
Recommended Start-Up Sequence .......................................... 50
Outline Dimensions....................................................................... 53
Ordering Guide .......................................................................... 53
REVISION HISTORY
7/11—Rev 0 to Rev A
Changes to Table 2, DAC CLOCK INPUT (DACCLK_P,
DACCLK_N), Added DAC Clock Rate......................................... 4
Changes to Table 3, Added Dynamic Performance
Parameters ......................................................................................... 5
Change to Ordering Guide............................................................ 53
1/09—Revision 0: Initial Version