ADRF6720-27ACPZ-R7 datasheet(3/44 Pages) AD

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ADRF6720-27

Data Sheet

Rev. B | Page 2 of 43

TABLE OF CONTENTS

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

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

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

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

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

Specifications..................................................................................... 3

Timing Characteristics ................................................................ 7

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

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

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

Pin Configuration and Function Descriptions............................. 9

Typical Performance Characteristics ........................................... 11

Theory of Operation ...................................................................... 18

LO Generation Block ................................................................. 18

Baseband...................................................................................... 21

Active Mixers .............................................................................. 21

Serial Port Interface.................................................................... 22

Basic Connections for Operation................................................. 23

Power Supply and Grounding................................................... 23

Baseband Inputs.......................................................................... 24

LO Input ...................................................................................... 24

Loop Filter................................................................................... 24

RF Output.................................................................................... 24

Applications Information .............................................................. 25

DAC to I/Q Modulator Interfacing.......................................... 25

Baseband Bandwidth ................................................................. 26

Carrier Feedthrough Nulling.................................................... 26

Sideband Suppression Optimization ....................................... 26

Linearity....................................................................................... 27

LO Amplitude and Common-Mode Voltage.......................... 27

Operating Out of Frequency Range......................................... 28

Spurious Performance ............................................................... 28

Layout .......................................................................................... 29

Characterization Setups................................................................. 30

Outline Dimensions....................................................................... 43

Ordering Guide .......................................................................... 43

REVISION HISTORY

9/15—Rev. A to Rev. B

Changed RFOUT = 4 dBm to RFOUT ≈ 4 dBm, and USB to

Sideband Suppression ................................................... Throughout

Changes to Spurious Performance Section and Figure 59........ 28

Changes to Figure 60...................................................................... 29

3/15—Rev. 0 to Rev. A

Added Spurious Performance Section and Figure 57 to

Figure 59; Renumbered Sequentially........................................... 28

Added Figure 60 ............................................................................. 29

10/14—Revision 0: Initial Version

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