ADRF6516

Data Sheet

Rev. B | Page 2 of 32

TABLE OF CONTENTS

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

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

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

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

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

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

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

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

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

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

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

Register Map and Codes................................................................ 15

Theory of Operation ...................................................................... 16

Input Buffers ............................................................................... 16

Programmable Filters................................................................. 16

Variable Gain Amplifiers (VGAs) ............................................ 17

Output Buffers/ADC Drivers ................................................... 17

DC Offset Compensation Loop................................................ 17

Programming the Filters and Gains......................................... 18

Noise Characteristics ................................................................. 18

Distortion Characteristics ......................................................... 19

Maximizing the Dynamic Range.............................................. 19

Key Parameters for Quadrature-Based Receivers.................. 20

Applications Information .............................................................. 21

Basic Connections...................................................................... 21

Supply Decoupling ..................................................................... 21

Input Signal Path ........................................................................ 21

Output Signal Path..................................................................... 21

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

Common-Mode Bypassing ....................................................... 21

Serial Port Connections............................................................. 22

Enable/Disable Function........................................................... 22

Error Vector Magnitude (EVM) Performance........................... 22

EVM Test Setup .......................................................................... 22

Effect of Filter Bandwidth on EVM......................................... 22

Effect of Output Voltage Levels on EVM................................ 23

Effect of COFS Value on EVM..................................................... 23

Evaluation Board ............................................................................ 24

Evaluation Board Control Software......................................... 24

Schematics and Artwork ........................................................... 25

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

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

REVISION HISTORY

2/12—Rev. A to Rev. B

Changes to Figure 57...................................................................... 24

Changes to Figure 58...................................................................... 25

Added Figure 59.............................................................................. 26

Changes to Figure 60 and Figure 61............................................. 27

Changes to Table 6.......................................................................... 27

9/11—Revision A: Initial Version