AD9714-EBZ datasheet(2/48 Pages) AD

2 / 48 page

AD9714/AD9715/AD9716/AD9717

Rev. 0 | Page 2 of 48

TABLE OF CONTENTS

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

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

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

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

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

Functional Block Diagram .............................................................. 3

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

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

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

AC Specifications.......................................................................... 7

Absolute Maximum Ratings............................................................ 8

Thermal Resistance ...................................................................... 8

ESD Caution.................................................................................. 8

Pin Configurations and Function Descriptions ........................... 9

Typical Performance Characteristics ........................................... 17

Terminology .................................................................................... 29

Theory of Operation ...................................................................... 30

Serial Peripheral Interface (SPI) ................................................... 31

General Operation of the Serial Interface ............................... 31

Instruction Byte .......................................................................... 31

Serial Interface Port Pin Descriptions ..................................... 31

MSB/LSB Transfers..................................................................... 32

Serial Port Operation ................................................................. 32

Pin Mode ..................................................................................... 32

SPI Register Map ............................................................................ 33

SPI Register Descriptions .............................................................. 34

Digital Interface Operation ........................................................... 37

Digital Data Latching and Retimer Section............................ 38

Estimating the Overall DAC Pipeline Delay........................... 39

Self-Calibration........................................................................... 40

Coarse Gain Adjustment ........................................................... 41

Using the Internal Termination Resistors ............................... 42

Applications Information .............................................................. 43

Output Configurations .............................................................. 43

Differential Coupling Using a Transformer ............................... 43

Single-Ended Buffered Output Using an Op Amp ................ 43

Differential Buffered Output Using an Op Amp ................... 44

Auxiliary DACs........................................................................... 44

DAC-to-Modulator Interfacing................................................ 45

Correcting for Nonideal Performance of Quadrature

Modulators on the IF-to-RF Conversion ................................ 45

I/Q Channel Gain Matching ..................................................... 45

LO Feedthrough Compensation .............................................. 46

Results of Gain and Offset Correction .................................... 46

Modifying the Evaluation Board to Use the ADL5370

On-Board Quadrature Modulator ........................................... 47

Outline Dimensions ....................................................................... 48

Ordering Guide .......................................................................... 48

REVISION HISTORY

8/08—Revision 0: Initial Version

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