ADF5610 datasheet(3/48 Pages) AD

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Preliminary Technical Data

ADF5610

Rev. PrE | Page 3 of 48

TABLE OF CONTENTS

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

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

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

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

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

Timing Specifications ...................................................................7

Absolute Maximum Ratings ............................................................9

Recommended Operating Conditions .......................................9

ESD Caution ..................................................................................9

Pin Configuration and Function Descriptions ...........................10

Typical Performance Characteristics ............................................12

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

PLL Subsystem Overview ..........................................................16

VCO Subsystem Overview ........................................................16

SPI Configuration of PLL and VCO Subsystems....................16

VCO SUB-SYSTEM ....................................................................18

PLL Subsystem.............................................................................23

Soft Reset and Power-On Reset.................................................29

Power-Down Mode.....................................................................30

General-Purpose Output (GPO) ..............................................30

Chip Identification......................................................................30

Serial Port Interface (SPI) ..........................................................30

Power Supply ...............................................................................33

Programmable Performance Technology ................................33

Loop Filter and Frequency Changes.........................................33

Mute Mode...................................................................................33

PLL Register Map............................................................................34

ID, Read Address, and Reset (RST) Registers .........................34

Reference Divider (REFDIV), Integer, and Fractional

Frequency Registers....................................................................34

VCO SPI Register........................................................................35

Σ-Δ Configuration Register.......................................................35

Lock Detect Register...................................................................37

Analog Enable (EN) Register ....................................................37

Charge Pump Register................................................................38

Autocalibration Register ............................................................39

Phase Detector (PD) Register....................................................39

Exact Frequency Mode Register ...............................................40

General-Purpose, SPI, and Reference Divider

(GPO_SPI_RDIV) Register .......................................................41

VCO Tune Register.....................................................................42

Sucessive Approximation Register............................................42

General-Purpose 2 Register.......................................................42

Built-In Self Test (BIST) Register..............................................42

VCO Subsystem Register Map ......................................................43

VCO POWER Register...............................................................43

VCO DIFFERENTIAL Output Divider Register....................44

Evaluation Printed Circuit Board (PCB) .....................................46

Evaluation Kit Contents .............................................................46

Outline Dimensions........................................................................47

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