AD9782 datasheet(2/52 Pages) AD

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AD9782

Preliminary Technical Data

Rev. PrC | Page 2 of 52

TABLE OF CONTENTS

Product Highlights ........................................................................... 3

AD9782–Specifications.................................................................... 4

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

Dynamic Specifications ............................................................... 5

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

Pin Configuration and Function Descriptions............................. 7

Clock .............................................................................................. 7

Analog............................................................................................ 8

Data ................................................................................................ 8

Serial Interface .............................................................................. 9

Definitions of Specifications ......................................................... 10

Typical Performance Charatceristics ........................................... 12

Serial Control Interface.................................................................. 17

General Operation of the Serial Interface ............................... 17

Instruction Byte .......................................................................... 17

Serial Interface Port Pin Descriptions ..................................... 17

MSB/LSB Transfers..................................................................... 18

Notes on Serial Port Operation ................................................ 18

Mode Control (via SPI Port) ......................................................... 19

Digital Filter Specifications ........................................................... 23

Digital Interpolation Filter Coefficients.................................. 23

AD9782 Clock/Data Timing..................................................... 24

Interpolation Modes .................................................................. 27

Real and Complex Signals......................................................... 28

Modulation Modes..................................................................... 29

Power Dissipation ...................................................................... 34

Dual Channel Complex Modulation with Hilbert ................ 35

Hilbert Transform Implementation......................................... 36

Operating the AD9782 Rev E Evaluation Board ........................ 40

Power Supplies............................................................................ 40

PECL Clock Driver .................................................................... 40

Data Inputs.................................................................................. 41

SPI Port ........................................................................................ 41

Operating with PLL Disabled ................................................... 41

Operating with PLL Enabled .................................................... 42

Analog Output ............................................................................ 42

Outline Dimensions ....................................................................... 52

ESD Caution................................................................................ 52

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