AD9520-1SLASHPCBZ datasheet(2/80 Pages) AD

2 / 80 page

AD9520-1

Data Sheet

Rev. B | Page 2 of 80

TABLE OF CONTENTS

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

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

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

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

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

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

Power Supply Requirements ....................................................... 4

PLL Characteristics ...................................................................... 4

Clock Inputs .................................................................................. 7

Clock Outputs............................................................................... 7

Timing Characteristics ................................................................ 8

Clock Output Additive Phase Noise (Distribution Only; VCO

Divider Not Used) ...................................................................... 10

Clock Output Absolute Phase Noise (Internal VCO Used).. 11

Clock Output Absolute Time Jitter (Clock Generation Using

Internal VCO)............................................................................. 11

Clock Output Absolute Time Jitter (Clock Cleanup Using

Internal VCO)............................................................................. 11

Clock Output Absolute Time Jitter (Clock Generation Using

External VCXO) ......................................................................... 12

Clock Output Additive Time Jitter (VCO Divider Not Used)

....................................................................................................... 12

Clock Output Additive Time Jitter (VCO Divider Used) ..... 12

Serial Control Port—SPI Mode ................................................ 13

Serial Control Port—I²C Mode ................................................ 14

PD, EEPROM, RESET, and SYNC Pins .................................. 15

Serial Port Setup Pins—SP1, SP0 ............................................. 15

LD, STATUS, and REFMON Pins............................................ 15

Power Dissipation....................................................................... 16

Absolute Maximum Ratings.......................................................... 17

Thermal Resistance .................................................................... 17

ESD Caution................................................................................ 17

Pin Configuration and Function Descriptions........................... 18

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

Terminology.................................................................................... 26

Detailed Block Diagram ................................................................ 27

Theory of Operation ...................................................................... 28

Operational Configurations...................................................... 28

Zero Delay Operation................................................................ 42

Clock Distribution ..................................................................... 43

Reset Modes ................................................................................ 49

Power-Down Modes .................................................................. 50

Serial Control Port ......................................................................... 51

SPI/I²C Port Selection................................................................ 51

I²C Serial Port Operation.......................................................... 51

SPI Serial Port Operation.......................................................... 54

SPI Instruction Word (16 Bits)................................................. 55

SPI MSB/LSB First Transfers .................................................... 55

EEPROM Operations..................................................................... 58

Writing to the EEPROM ........................................................... 58

Reading from the EEPROM ..................................................... 58

Programming the EEPROM Buffer Segment......................... 59

Thermal Performance.................................................................... 60

Applications Information .............................................................. 77

Frequency Planning Using the AD9520.................................. 77

Using the AD9520 Outputs for ADC Clock Applications.... 77

LVPECL Clock Distribution..................................................... 78

CMOS Clock Distribution ........................................................ 78

Outline Dimensions....................................................................... 80

Ordering Guide .......................................................................... 80

AD9520-1/PCBZ Datasheet(PDF) 2 Page - Analog Devices

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