ADRF6806

Data Sheet

Rev. B | Page 2 of 36

TABLE OF CONTENTS

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

 

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

 

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

 

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

 

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

 

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

 

Timing Characteristics ................................................................ 5

 

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

 

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

 

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

 

Typical Performance Characteristics ............................................. 9

 

Synthesizer/PLL .......................................................................... 12

 

Complementary Cumulative Distribution Functions (CCDF)

....................................................................................................... 13

 

Circuit Description......................................................................... 14

 

LO Quadrature Drive................................................................. 14

 

V-to-I Converter......................................................................... 14

 

Mixers .......................................................................................... 14

 

Emitter Follower Buffers ........................................................... 14

 

Bias Circuitry .............................................................................. 14

 

Register Structure....................................................................... 14

 

LO Divider Programming......................................................... 21

 

Programming Example.............................................................. 21

 

Applications Information .............................................................. 22

 

Basic Connections...................................................................... 22

 

Supply Connections ................................................................... 22

 

Synthesizer Connections ........................................................... 22

 

I/Q Output Connections ........................................................... 23

 

RF Input Connections ............................................................... 23

 

Charge Pump/VTUNE Connections ...................................... 23

 

LO Select Interface ..................................................................... 23

 

External LO Interface ................................................................ 23

 

Setting the Frequency of the PLL ............................................. 23

 

Register Programming............................................................... 23

 

EVM Measurements .................................................................. 24

 

Evaluation Board Layout and Thermal Grounding................... 25

 

ADRF6806 Software .................................................................. 30

 

Characterization Setups................................................................. 32

 

Outline Dimensions ....................................................................... 36

 

Ordering Guide .......................................................................... 36

 

REVISION HISTORY

3/12—Rev. A to Rev. B

Changes to Phase Noise—Using 67 kHz Loop Filter Parameter,

Table 1; Added Phase Noise—Using 2.5 kHz Loop Filter

Parameter, Table 1; Added PLL Figure of Merit (FOM)

Parameter, Table 1 ........................................................................ 4

Changes to Figure 21 and Figure 24 to Figure 26....................... 12

Changes to Figure 34...................................................................... 16

Changes to Figure 37...................................................................... 18

Changes to Figure 38...................................................................... 19

Changes to Figure 39...................................................................... 20

Changes to EVM Measurements Section and Figure 42,

Deleted Figure 43; Renumbered Sequentially ........................ 24

Changes to Figure 43...................................................................... 25

Added Figure 44.............................................................................. 26

Changes to Figure 46 and Figure 47............................................. 27

Changes to Table 7.......................................................................... 29

Changes to Figure 48...................................................................... 30

Changes to Figure 49...................................................................... 31

6/11—Rev. Sp0 to Rev. A