ADF41513

Preliminary Technical Data

Rev. PrL | Page 2 of 33

TABLE OF CONTENTS

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

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

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

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

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

Timing Characteristics ................................................................ 4

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

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

Pin Configuration and Function Description .............................. 7

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

Theory of Operation ...................................................................... 11

Reference Input........................................................................... 11

RF Input Stage............................................................................. 11

N Divider and R Counter.......................................................... 11

R Counter .................................................................................... 12

PFD and Charge Pump.............................................................. 12

MUXOUT.................................................................................... 12

Lock Detector.............................................................................. 12

Readback...................................................................................... 13

Input Shift Registers................................................................... 13

Program Modes .......................................................................... 13

Register Maps.................................................................................. 14

Register 0 (R0) Map ................................................................... 17

Register 1 (R1) Map ................................................................... 18

Register 2 (R2) Map ................................................................... 19

Register 3 (R3) Map ................................................................... 20

Register 4 (R4) Map ................................................................... 21

Register 5 (R5) Map ................................................................... 22

Register 6 (R6) Map ................................................................... 24

Register 7 (R7) Map ................................................................... 26

Register 8 (R8) Map ................................................................... 27

Register 9 (R9) Map ................................................................... 27

Register 10 (R10) Map............................................................... 28

Register 11 (R11) Map............................................................... 28

Register 12 (R12) Map............................................................... 29

Register 13 (R13) Map............................................................... 30

Applications information .............................................................. 31

Initialization Sequence .............................................................. 31

RF Synthesizer: A Worked Example of 25-Bit Fixed Modulus

Mode ............................................................................................ 31

RF Synthesizer: A Worked Example of Variable Modulus

Mode ............................................................................................ 31

Modulus....................................................................................... 31

Reference Doubler and Reference Divider ............................. 31

Spur Mechanisms ....................................................................... 32

Phase Resync............................................................................... 32

Outline Dimensions....................................................................... 33