ADRF6518

Preliminary Technical Data

Rev. PrA | Page 2 of 36

TABLE OF CONTENTS

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

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

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

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

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

Timing Diagrams.......................................................................... 5

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

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

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

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

Filter Mode.................................................................................... 8

Bypass Mode ............................................................................... 16

Mixed Power and Filter Modes................................................. 19

Register Map and Codes................................................................ 20

Theory of Operation ...................................................................... 21

Input VGAs ................................................................................. 21

Peak Detector.............................................................................. 21

Programmable Filters................................................................. 22

Variable Gain Amplifiers (VGAs) ............................................ 22

Output Buffers/ADC Drivers ................................................... 23

DC Offset Compensation Loop................................................ 23

Programming the ADRF6518................................................... 23

Noise Characteristics ................................................................. 23

Distortion Characteristics......................................................... 24

Maximizing the Dynamic Range ............................................. 24

Key Parameters for Quadrature-Based Receivers.................. 25

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

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

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

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

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

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

Common-Mode Bypassing ....................................................... 27

Serial Port Connections............................................................. 27

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

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

Peak Detector Connections ...................................................... 27

Error Vector Magnitude (EVM) Performance........................... 27

EVM Test Setup .......................................................................... 27

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

Evaluation Board Control Software......................................... 28

Schematics and Artwork ........................................................... 29

Outline Dimensions....................................................................... 34

Ordering Guide .......................................................................... 34