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AD9139

Data Sheet

TABLE OF CONTENTS

Features .............................................................................................. 1

Applications....................................................................................... 1

General Description ......................................................................... 1

Product Highlights ........................................................................... 1

Functional Block Diagram .............................................................. 1

Revision History ............................................................................... 3

Specifications..................................................................................... 4

DC Specifications ......................................................................... 4

Digital Specifications ................................................................... 5

Latency Variation Specifications ................................................ 6

AC Specifications.......................................................................... 6

Operating Speed Specifications .................................................. 6

Absolute Maximum Ratings ....................................................... 7

Thermal Resistance ...................................................................... 7

ESD Caution.................................................................................. 7

Pin Configuration and Function Descriptions............................. 8

Typical Performance Characteristics ........................................... 11

Terminology .................................................................................... 15

Serial Port Operation ..................................................................... 16

Data Format ................................................................................ 16

Serial Port Pin Descriptions...................................................... 16

Serial Port Options ..................................................................... 16

Data Interface.................................................................................. 18

LVDS Input Data Ports .............................................................. 18

Word Interface Mode................................................................. 18

Byte Interface Mode ................................................................... 18

Data Interface Configuration Options .................................... 18

DLL Interface Mode................................................................... 18

Parity ............................................................................................ 21

SED Operation............................................................................ 21

SED Example............................................................................... 22

Delay Line Interface Mode........................................................ 22

FIFO Operation .............................................................................. 24

Resetting the FIFO ..................................................................... 25

Serial Port Initiated FIFO Reset ............................................... 25

Frame Initiated FIFO Reset....................................................... 25

Digital Datapath.............................................................................. 27

Interpolation Filters ................................................................... 27

Inverse Sinc Filter ....................................................................... 28

Digital Function Configuration................................................ 28

Multidevice Synchronization and Fixed Latency....................... 29

Very Small Inherent Latency Variation ................................... 29

Further Reducing the Latency Variation................................. 29

Synchronization Implementation ............................................ 29

Synchronization Procedures ..................................................... 30

Interrupt Request Operation ........................................................ 32

Interrupt Working Mechanism ................................................ 32

Interrupt Service Routine.......................................................... 32

Temperature Sensor ....................................................................... 33

DAC Input Clock Configurations ................................................ 34

Driving the DACCLK and REFCLK Inputs ........................... 34

Direct Clocking .......................................................................... 34

Clock Multiplication .................................................................. 34

PLL Settings ................................................................................ 35

Configuring the VCO Tuning Band ........................................ 35

Automatic VCO Band Select .................................................... 35

Manual VCO Band Select ......................................................... 35

PLL Enable Sequence................................................................. 35

Analog Outputs............................................................................... 36

Transmit DAC Operation.......................................................... 36

Interfacing to Modulators ......................................................... 37

Reducing LO Leakage and Unwanted Sidebands .................. 38

Start-Up Routine ............................................................................ 39

Device Configuration Register Map and Description............... 40

SPI Configure Register .............................................................. 42

Power-Down Control Register ................................................. 42

Interrupt Enable 0 Register ....................................................... 42

Interrupt Enable 1 Register ....................................................... 42

Interrupt Flag 0 Register............................................................ 43

Interrupt Flag 1 Register............................................................ 43

Interrupt Select 0 Register......................................................... 43

Interrupt Select 1 Register......................................................... 44

Frame Mode Register................................................................. 44

Data Control 0 Register ............................................................. 44

Data Control 1 Register ............................................................. 44

Data Control 2 Register ............................................................. 45

Data Control 3 Register ............................................................. 45

Data Status 0 Register ................................................................ 45

DAC Clock Receiver Control Register .................................... 46

Reference Clock Receiver Control Register............................ 46

Rev. A | Page 2 of 56

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