ADRF6820ACPZ-R7 datasheet(2/45 Pages) AD

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ADRF6820

Data Sheet

Rev. C | Page 2 of 45

TABLE OF CONTENTS

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

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

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

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

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

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

System Specifications................................................................... 3

Dynamic Performance................................................................. 3

Synthesizer/PLL Specifications................................................... 5

Digital Logic Specifications......................................................... 6

Absolute Maximum Ratings............................................................ 7

Thermal Resistance ...................................................................... 7

ESD Caution.................................................................................. 7

Pin Configuration and Function Descriptions............................. 8

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

Theory of Operation ...................................................................... 14

RF Input Switch .......................................................................... 14

Tunable Balun ............................................................................. 14

RF Attenuator.............................................................................. 15

LO Generation Block................................................................. 15

Active Mixers .............................................................................. 17

Baseband Buffers........................................................................ 17

Serial Port Interface (SPI) ......................................................... 17

Power Supply Sequencing ......................................................... 17

Applications Information .............................................................. 18

Basic Connections...................................................................... 18

RF Balun Insertion Loss Optimization ................................... 20

Bandwidth Select Modes........................................................... 21

IP3 and Noise Figure Optimization......................................... 23

I/Q Output Loading................................................................... 26

Image Rejection.......................................................................... 27

I/Q Polarity.................................................................................. 28

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

Outline Dimensions....................................................................... 45

Ordering Guide .......................................................................... 45

REVISION HISTORY

8/2016—Rev. B to Rev. C

Changes to Figure 3.......................................................................... 8

Updated Outline Dimensions....................................................... 45

4/2015—Rev. A to Rev. B

Changes to Features Section and Figure 1..................................... 1

Changes to Table 1............................................................................ 3

Changes to Figure 3.......................................................................... 8

Changes to Figure 15 and Figure 16............................................. 11

Changes to Figure 25...................................................................... 12

Added Power Supply Sequencing Section................................... 17

Changes to Figure 33 and Table 14............................................... 18

Changes to Figure 38...................................................................... 21

Changes to Figure 51...................................................................... 27

Changes to Address: 0x00, Reset: 0x0000, Name: SOFT_RESET

Section.............................................................................................. 31

Changes to Address: 0x33, Reset: 0x0000, Name: MOD_CTL1

Section and Table 31....................................................................... 40

3/2014—Rev. 0 to Rev. A

Changes to Features Section ............................................................1

Added LO Harmonic Rejection Parameter and DSA Attenuation

Accuracy Parameter, Table 1............................................................3

Changes to Table 2.............................................................................3

Changes to Table 3.............................................................................5

Changes to Figure 5 and Figure 8....................................................9

Changes to Figure 21 and Figure 22 ............................................ 12

Changes to Table 17 ....................................................................... 30

Added Address: 0x44, Reset: 0x0000, Name: DIV_SM_CTL

Section and Table 36; Renumbered Sequentially ....................... 43

Changes to Address: 0x45, Reset: 0x0000, Name: VCO_CTL2

Section and Table 37 ...................................................................... 44

Added Address: 0x46, Reset: 0x0000, Name: VCO_RB Section

and Table 38 .................................................................................... 44

12/2013—Revision 0: Initial Version

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