AD9714 datasheet(2/80 Pages) AD

2 / 80 page

AD9714/AD9715/AD9716/AD9717

Data Sheet

Rev. B | Page 2 of 80

TABLE OF CONTENTS

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

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

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

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

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

Functional Block Diagram .............................................................. 4

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

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

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

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

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

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

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

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

Typical Performance Characteristics ........................................... 18

Terminology .................................................................................... 31

Theory of Operation ...................................................................... 32

Serial Peripheral Interface (SPI) ................................................... 33

General Operation of the Serial Interface ............................... 33

Instruction Byte .......................................................................... 33

Serial Interface Port Pin Descriptions ..................................... 33

MSB/LSB Transfers..................................................................... 34

Serial Port Operation ................................................................. 34

Pin Mode ..................................................................................... 34

SPI Register Map............................................................................. 35

SPI Register Descriptions .............................................................. 36

Digital Interface Operation ........................................................... 40

Digital Data Latching and Retimer Block ............................... 41

Estimating the Overall DAC Pipeline Delay........................... 42

Reference Operation .................................................................. 43

Reference Control Amplifier .................................................... 43

DAC Transfer Function ............................................................. 44

Analog Output ............................................................................ 44

Self-Calibration........................................................................... 45

Coarse Gain Adjustment ........................................................... 46

Using the Internal Termination Resistors ............................... 47

Applications Information .............................................................. 48

Output Configurations .............................................................. 48

Differential Coupling Using a Transformer ............................... 48

Single-Ended Buffered Output Using an Op Amp ................ 48

Differential Buffered Output Using an Op Amp ................... 49

Auxiliary DACs........................................................................... 49

DAC-to-Modulator Interfacing................................................ 50

Correcting for Nonideal Performance of Quadrature

Modulators on the IF-to-RF Conversion ................................ 50

I/Q-Channel Gain Matching .................................................... 50

LO Feedthrough Compensation .............................................. 51

Results of Gain and Offset Correction .................................... 51

Modifying the Evaluation Board to Use the ADL5370 On-

Board Quadrature Modulator................................................... 52

Evaluation Board Shematics and Artwork.................................. 53

Schematics ................................................................................... 53

Silkscreens ................................................................................... 61

Bill of Materials............................................................................... 76

Outline Dimensions ....................................................................... 79

Ordering Guide .......................................................................... 79

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