AD9739 Ver la hoja de datos (PDF) - Analog Devices

Número de pieza

componentes Descripción

fabricante

AD9739

14-Bit, 2.5 GSPS, RF Digital-to-Analog Converter

Analog Devices 

AD9739

TABLE OF CONTENTS

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

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

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

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

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

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

Specifications..................................................................................... 5

DC Specifications ......................................................................... 5

LVDS Digital Specifications ........................................................ 6

Serial Port Specifications ............................................................. 7

AC Specifications.......................................................................... 8

Absolute Maximum Ratings............................................................ 9

Thermal Resistance ...................................................................... 9

ESD Caution.................................................................................. 9

Pin Configurations and Function Descriptions ......................... 10

Typical Performance Characteristics ........................................... 13

AC (Normal Mode) .................................................................... 13

AC (Mix Mode) .......................................................................... 16

Terminology .................................................................................... 19

Serial Port Interface (SPI) Register............................................... 20

SPI Register Map Description................................................... 20

SPI Operation.............................................................................. 20

SPI Register Map............................................................................. 22

SPI Port Configuration and Software Reset............................ 24

Power-Down LVDS Interface and TxDAC®............................ 24

Controller Clock Disable........................................................... 24

Interrupt Request (IRQ) Enable/Status ................................... 24

TxDAC Full-Scale Current Setting (IOUTFS) and Sleep ........... 25

TxDAC Quad-Switch Mode of Operation .............................. 25

Data Sheet

DCI Phase Alignment Status .................................................... 25

SYNC_IN Phase Alignment Status .......................................... 25

Data Receiver Controller Configuration................................. 25

Data Receiver Controller_Data Sample Delay Value ............ 26

Data and Sync Receiver Controller_DCI Delay

Value/Window and Phase Rotation ......................................... 26

Data Receiver Controller_Delay Line Status and Sync

Controller SYNC_OUT Status ................................................. 26

Sync and Data Receiver Controller Lock/Tracking Status.... 27

CLK Input Common Mode ...................................................... 27

Microcontroller Configuration and Status ............................. 27

Part ID.......................................................................................... 28

Theory of Operation ...................................................................... 29

LVDS Data Port Interface.......................................................... 30

Microcontroller .......................................................................... 34

Interrupt Requests...................................................................... 36

Multiple Device Synchronization............................................. 37

Analog Interface Considerations.................................................. 40

Analog Modes of Operation ..................................................... 40

Clock Input Considerations...................................................... 41

Voltage Reference ....................................................................... 42

Analog Outputs .......................................................................... 42

Nonideal Spectral Artifacts....................................................... 45

Lab Evaluation of the AD9739 ................................................. 46

Power Dissipation and Supply Domains ................................. 46

Recommended Start-Up Sequence .......................................... 47

Outline Dimensions ....................................................................... 50

Ordering Guide .......................................................................... 50

Rev. E | Page 2 of 50

Share Link: