AD9773BSVZRL datasheet(2/60 Pages) AD

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AD9773

Rev. D | Page 2 of 60

TABLE OF CONTENTS

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

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

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

Table of Contents .............................................................................. 2

Revision History ........................................................................... 2

General Description ......................................................................... 4

Product Highlights ....................................................................... 4

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

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

Dynamic Specifications ............................................................... 6

Digital Specifications ................................................................... 7

Digital Filter Specifications ......................................................... 8

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

Thermal Characteristics .............................................................. 9

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

Pin Configuration and Function Descriptions........................... 10

Typical Performance Characteristics ........................................... 12

Terminology .................................................................................... 17

Mode Control (Via SPI Port) .................................................... 18

Functional Description .................................................................. 22

Serial Interface for Register Control ........................................ 22

General Operation of the Serial Interface ............................... 22

Instruction Byte .......................................................................... 23

Serial Interface Port Pin Descriptions ..................................... 23

MSB/LSB Transfers..................................................................... 23

Notes on Serial Port Operation ................................................ 25

DAC Operation........................................................................... 25

1R/2R Mode ................................................................................ 26

Clock Input Configurations ...................................................... 27

Programmable PLL .................................................................... 27

Power Dissipation....................................................................... 29

Sleep/Power-Down Modes........................................................ 29

Two-Port Data Input Mode ...................................................... 30

One-/Two-Port Input Modes.................................................... 30

PLL Enabled, Two-Port Mode .................................................. 30

DATACLK Inversion.................................................................. 31

DATACLK Driver Strength....................................................... 31

PLL Enabled, One-Port Mode .................................................. 31

ONEPORTCLK Inversion......................................................... 31

ONEPORTCLK Driver Strength.............................................. 32

IQ Pairing .................................................................................... 32

PLL Disabled, Two-Port Mode................................................. 32

PLL Disabled, One-Port Mode ................................................. 32

Digital Filter Modes ................................................................... 33

Amplitude Modulation.............................................................. 33

Modulation, No Interpolation .................................................. 34

Modulation, Interpolation = 2× ............................................... 35

Modulation, Interpolation = 4× ............................................... 36

Modulation, Interpolation = 8× ............................................... 37

Zero Stuffing ............................................................................... 38

Interpolating (Complex Mix Mode)........................................ 38

Operations on Complex Signals............................................... 38

Complex Modulation and Image Rejection of Baseband

Signals .......................................................................................... 39

Image Rejection and Sideband Suppression of Modulated

Carriers ........................................................................................ 41

Applying the Output Configurations........................................... 46

Unbuffered Differential Output, Equivalent Circuit ............. 46

Differential Coupling Using a Transformer............................ 46

Differential Coupling Using an Op Amp................................ 47

Interfacing the AD9773 with the AD8345 Quadrature

Modulator.................................................................................... 47

Evaluation Board ............................................................................ 48

Outline Dimensions ....................................................................... 58

Ordering Guide .......................................................................... 58

REVISION HISTORY

10/07—Rev. C to Rev. D

Updated Formatting ........................................................ Universal

Changes to Figure 32 .................................................................... 22

Changes to Figure 108 .................................................................. 54

Updated Outline Dimensions ..................................................... 58

Changes to Ordering Guide......................................................... 58

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