AD9542BCPZ datasheet(2/61 Pages) AD

2 / 61 page

AD9542

Data Sheet

Rev. 0 | Page 2 of 61

TABLE OF CONTENTS

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

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

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

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

Functional Block Diagram .............................................................. 4

Specifications..................................................................................... 5

Supply Voltage............................................................................... 5

Supply Current.............................................................................. 5

Power Dissipation......................................................................... 5

System Clock Inputs, XOA and XOB......................................... 6

Reference Inputs ........................................................................... 7

Reference Monitors ...................................................................... 8

DPLL Phase Characteristics........................................................ 8

Distribution Clock Outputs ........................................................ 9

Time Duration of Digital Functions ........................................ 10

Digital PLL (DPLL0, DPLL1) Specifications .......................... 10

Digital PLL Lock Detection Specifications ............................. 11

Holdover Specifications............................................................. 11

Analog PLL (APLL0, APLL1) Specifications.......................... 11

Output Channel Divider Specifications .................................. 11

System Clock Compensation Specifications........................... 12

Temperature Sensor Specifications .......................................... 12

Serial Port Specifications ........................................................... 12

Logic Input Specifications (RESETB, M0 to M6) .................. 14

Logic Output Specifications (M0 to M6) ................................ 14

Jitter Generation (Random Jitter) ............................................ 14

Phase Noise ................................................................................. 15

Absolute Maximum Ratings.......................................................... 18

Thermal Resistance .................................................................... 18

ESD Caution................................................................................ 18

Pin Configuration and Function Descriptions........................... 19

Typical Performance Characteristics ........................................... 21

Terminology .................................................................................... 25

Theory of Operation ...................................................................... 26

Overview...................................................................................... 26

Reference Input Physical Connections.................................... 26

Input/Output Termination Recommendations .......................... 27

System Clock Inputs................................................................... 27

Reference Clock Inputs.............................................................. 27

Clock Outputs ............................................................................. 28

System Clock PLL........................................................................... 29

System Clock Input Frequency Declaration ........................... 29

System Clock Source.................................................................. 29

2× Frequency Multiplier............................................................ 29

Prescale Divider.......................................................................... 29

Feedback Divider........................................................................ 30

System Clock PLL Output Frequency ..................................... 30

System Clock PLL Lock Detector............................................. 30

System Clock Stability Timer.................................................... 30

System Clock Input Termination Recommendations ........... 30

Digital PLL (DPLL) ........................................................................ 31

Overview ..................................................................................... 31

DPLL Phase/Frequency Lock Detectors ................................. 31

DPLL Loop Controller............................................................... 31

Applications Information .............................................................. 32

Optical Networking Line Card ................................................. 32

Small Cell Base Station .............................................................. 33

Initialization Sequence................................................................... 34

Status and Control Pins ................................................................. 37

Multifunction Pins at Reset/Power-Up ................................... 37

Status Functionality.................................................................... 38

Control Functionality ................................................................ 38

Interrupt Request (IRQ) ................................................................ 43

IRQ Monitor ............................................................................... 43

IRQ Mask..................................................................................... 43

IRQ Clear..................................................................................... 43

Watchdog Timer............................................................................. 45

Lock Detectors ................................................................................ 46

DPLL Lock Detectors ................................................................ 46

Phase Step Detector........................................................................ 48

Phase Step Limit ......................................................................... 48

Skew Adjustment........................................................................ 49

EEPROM Usage .............................................................................. 50

Overview ..................................................................................... 50

EEPROM Controller General Operation................................ 50

EEPROM Instruction Set .......................................................... 51

Multidevice Support................................................................... 53

Serial Control Port ......................................................................... 55

SPI/I²C Port Selection................................................................ 55

SPI Serial Port Operation .......................................................... 55

AD9542BCPZ Datasheet(PDF) 2 Page - Analog Devices

AD9542BCPZ Datasheet(HTML) 2 Page - Analog Devices

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61

Datasheet Download

Link URL