AD9522-2BCPZ Analog Devices Inc, AD9522-2BCPZ Datasheet - Page 2

12- Channel Clock Generator With Int.VCO

AD9522-2BCPZ

Manufacturer Part Number
AD9522-2BCPZ
Description
12- Channel Clock Generator With Int.VCO
Manufacturer
Analog Devices Inc
Type
Clock Generator, Fanout Distributionr
Datasheet

Specifications of AD9522-2BCPZ

Pll
Yes
Input
CMOS, LVDS, LVPECL
Output
CMOS, LVDS
Number Of Circuits
1
Ratio - Input:output
2:12, 2:24
Differential - Input:output
Yes/Yes
Frequency - Max
2.33GHz
Divider/multiplier
Yes/No
Voltage - Supply
3.135 V ~ 3.465 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
64-LFCSP
Frequency-max
2.2GHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
AD9522-2
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 3
Specifications ..................................................................................... 4
Absolute Maximum Ratings .......................................................... 16
Pin Configuration and Function Descriptions ........................... 17
Typical Performance Characteristics ........................................... 20
Terminology .................................................................................... 25
Detailed Block Diagram ................................................................ 26
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) .............................................................. 9
Clock Output Absolute Phase Noise (Internal VCO Used) .. 10
Clock Output Absolute Time Jitter (Clock Generation Using
Internal VCO) ............................................................................. 10
Clock Output Absolute Time Jitter (Clock Cleanup
Using Internal VCO) .................................................................. 10
Clock Output Absolute Time Jitter (Clock
Generation Using External VCXO) ......................................... 11
Clock Output Additive Time Jitter
(VCO Divider Not Used) .......................................................... 11
Clock Output Additive Time Jitter (VCO Divider Used) ..... 12
Serial Control Port—SPI Mode ................................................ 12
Serial Control Port—I2C Mode ................................................ 13
PD , SYNC , and RESET Pins ..................................................... 14
Serial Port Setup Pins: SP1, SP0 ............................................... 14
LD, STATUS, and REFMON Pins ............................................ 14
Power Dissipation ....................................................................... 15
Thermal Resistance .................................................................... 16
ESD Caution ................................................................................ 16
Timing Diagrams ..................................................................... 8
Rev. 0 | Page 2 of 84
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Theory of Operation ...................................................................... 27
Operational Configurations ...................................................... 27
Zero Delay Operation ................................................................ 42
Clock Distribution ..................................................................... 43
Mode 0: Internal VCO and Clock Distribution ................. 27
Mode 1: Clock Distribution or External
VCO < 1600 MHz .................................................................. 29
Mode 2: High Frequency Clock Distribution—
CLK or External VCO > 1600 MHz .................................... 31
Phase-Locked Loop (PLL) .................................................... 33
Configuration of the PLL ...................................................... 33
Phase Frequency Detector (PFD) ........................................ 33
Charge Pump (CP) ................................................................. 34
On-Chip VCO ........................................................................ 34
PLL External Loop Filter ....................................................... 34
PLL Reference Inputs ............................................................. 34
Reference Switchover ............................................................. 35
Reference Divider R ............................................................... 35
VCO/VCXO Feedback Divider N: P, A, B, R ..................... 35
Digital Lock Detect (DLD) ................................................... 37
Analog Lock Detect (ALD) ................................................... 37
Current Source Digital Lock Detect (CSDLD) .................. 37
External VCXO/VCO Clock Input (CLK/ CLK ) ................ 38
Holdover .................................................................................. 38
External/Manual Holdover Mode ........................................ 38
Automatic/Internal Holdover Mode .................................... 38
Frequency Status Monitors ................................................... 40
VCO Calibration .................................................................... 41
Internal Zero Delay Mode ..................................................... 42
External Zero Delay Mode .................................................... 42
Operation Modes ................................................................... 43
Clock Frequency Division ..................................................... 44
VCO Divider ........................................................................... 44
Channel Dividers ................................................................... 44
Synchronizing the Outputs—SYNC Function ................... 46
LVDS Output Drivers ............................................................ 47
CMOS Output Drivers .......................................................... 48
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

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