ADF5902

Data Sheet

Rev. 0 | Page 2 of 39

TABLE OF CONTENTS

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

 

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

 

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

 

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

 

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

 

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

 

Timing Specifications .................................................................. 5

 

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

 

Thermal Resistance ...................................................................... 6

 

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

 

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

 

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

 

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

 

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

 

RF INT Divider........................................................................... 11

 

INT, FRAC, and R Relationship ............................................... 11

 

R Counter .................................................................................... 11

 

PFD and Charge Pump.............................................................. 11

 

Input Shift Register..................................................................... 11

 

Program Modes .......................................................................... 12

 

Register Maps .................................................................................. 13

 

Register 0 ..................................................................................... 16

 

Register 1 ..................................................................................... 17

 

Register 2 ..................................................................................... 18

 

Register 3 ..................................................................................... 19

 

Register 4 ..................................................................................... 20

 

Register 5 ..................................................................................... 21

 

Register 6 ..................................................................................... 22

 

Register 7 ..................................................................................... 23

 

Register 8 ..................................................................................... 24

 

Register 9 ..................................................................................... 24

 

Register 10 ................................................................................... 25

 

Register 11 ................................................................................... 25

 

Register 12 ................................................................................... 26

 

Register 13 ................................................................................... 27

 

Register 14 ................................................................................... 28

 

Register 15 ................................................................................... 29

 

Register 16 ................................................................................... 30

 

Register 17 ................................................................................... 30

 

Applications Information .............................................................. 31

 

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

 

Recalibration Sequence ............................................................. 32

 

Temperature Sensor ................................................................... 33

 

RF Synthesis: a Worked Example ............................................. 33

 

Reference Doubler...................................................................... 33

 

Frequency Measurement Procedure........................................ 34

 

Waveform Generation ............................................................... 34

 

Waveform Deviations and Timing........................................... 34

 

Ramp and Modulation............................................................... 35

 

Application of the ADF5902 in FMCW Radar ...................... 37

 

Outline Dimensions ....................................................................... 39

 

Ordering Guide .......................................................................... 39

 

Automotive Products ................................................................. 39

 

REVISION HISTORY

1

2/2018—Revision 0: Initial Version