ADRF6520

Data Sheet

Rev. 0 | Page 2 of 29

TABLE OF CONTENTS

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

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

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

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

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

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

Absolute Maximum Ratings............................................................ 6

Thermal Resistance ...................................................................... 6

ESD Caution.................................................................................. 6

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

Typical Performance Characteristics ............................................. 8

Theory of Operation ...................................................................... 19

Input VGAs ................................................................................. 19

RMS Detector.............................................................................. 19

Programmable Filters................................................................. 20

Variable Gain Amplifiers........................................................... 20

Output Buffers/ADC Drivers ................................................... 20

DC Offset Compensation Loop................................................ 21

Programming the ADRF6520................................................... 21

Noise Characteristics ................................................................. 21

Distortion Characteristics......................................................... 22

Maximizing the Dynamic Range ............................................. 22

Key Parameters for Quadrature-Based Receivers.................. 23

SPI Register and Timing................................................................ 24

Register Read/Write Timing..................................................... 25

Applications Information .............................................................. 26

Basic Connections...................................................................... 26

Supply Decoupling ..................................................................... 26

Input Signal Path ........................................................................ 26

Output Signal Path..................................................................... 26

DC Offset Compensation Loop Enabled ................................ 26

Serial Port Connections............................................................. 26

Enable/Disable Function........................................................... 27

Gain Pin Decoupling ................................................................. 27

RMS Detector Connections...................................................... 27

VGA2 Gain step response ......................................................... 27

Linear Operation of the ADRF6520 ........................................ 27

Evaluation Board ............................................................................ 28

Outline Dimensions....................................................................... 29

Ordering Guide .......................................................................... 29

REVISION HISTORY

4/2017—Revision 0: Initial Version