ADF5355

Data Sheet

TABLE OF CONTENTS

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

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

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

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

Revision History ............................................................................... 3

Specifications..................................................................................... 4

Timing Characteristics ................................................................ 7

Absolute Maximum Ratings............................................................ 8

Transistor Count........................................................................... 8

ESD Caution.................................................................................. 8

Pin Configuration and Function Descriptions............................. 9

Typical Performance Characteristics ........................................... 11

Circuit Description......................................................................... 16

Reference Input........................................................................... 16

RF N Divider............................................................................... 16

Phase Frequency Detector (PFD) and Charge Pump............ 17

MUXOUT and Lock Detect...................................................... 17

Input Shift Registers................................................................... 17

Program Modes .......................................................................... 18

VCO.............................................................................................. 18

Output Stage................................................................................ 18

Register Maps.................................................................................. 20

Register 0 ..................................................................................... 22

Register 1 ..................................................................................... 23

Register 2 ..................................................................................... 24

Register 3 ..................................................................................... 25

Register 4 ..................................................................................... 26

Register 5 ..................................................................................... 27

Register 6 ..................................................................................... 28

Register 7 ..................................................................................... 30

Register 8 ..................................................................................... 31

Register 9 ..................................................................................... 31

Register 10................................................................................... 32

Register 11................................................................................... 32

Register 12................................................................................... 33

Register Initialization Sequence ............................................... 33

Frequency Update Sequence..................................................... 33

RF Synthesizer—A Worked Example ...................................... 34

Reference Doubler and Reference Divider ............................. 34

Spurious Optimization and Fast Lock..................................... 34

Optimizing Jitter......................................................................... 34

Spur Mechanisms ....................................................................... 35

Lock Time.................................................................................... 35

Applications Information .............................................................. 36

Power Supplies............................................................................ 36

Printed Circuit Board (PCB) Design Guidelines for a

Chip-Scale Package .................................................................... 36

Output Matching........................................................................ 37

Outline Dimensions....................................................................... 38

Ordering Guide .......................................................................... 38

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