p502-51sc PhaseLink Corp., p502-51sc Datasheet

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p502-51sc

Manufacturer Part Number
p502-51sc
Description
Low Phase Noise Vcxo 20mhz To 52mhz
Manufacturer
PhaseLink Corp.
Datasheet
FEATURES
DESCRIPTION
The PLL502-51 is a monolithic low jitter, high per-
formance CMOS VCXO IC. It allows control of the
output frequency with an input voltage (VCON), us-
ing a low cost crystal.
This makes the PLL502-51 ideal for a wide range of
applications from 20MHz to 52MHz (including
27MHz, 35.328MHz, etc.).
BLOCK DIAGRAM
47745 Fremont Blvd., Fremont, California 94538 Tel (510) 492-0990 Fax (510) 492-0991 www.phaselink.com Rev 11/8/07 Page 1
Integrated voltage-controlled crystal oscillator
circuitry (VCXO) (pull range 380ppm minimum).
VCXO tuning range: 0V - V
Uses inexpensive fundamental-mode parallel
resonant crystals (from 20 to 52MHz).
2.5V or 3.3V supply voltage.
Selectable High Drive (30mA) or Standard Drive
(10mA) CMOS output.
Available in 8-Pin SOIC or TSSOP.
XOUT
XIN
DD
V.
VARICAP
VCON
XTAL
OSC
Low Phase Noise VCXO (20MHz to 52MHz)
PIN CONFIGURATION
Note: ^ denotes internal pull up
OUTPUT RANGE
MULTIPLIER
OE
No PLL
VCON
XOUT
GND
N/C
1
2
3
4
FREQUENCY
20 - 52MHz
RANGE
8
7
6
5
CLK
XIN
OE^
VDD
CLK
OUTPUT
BUFFER
CMOS

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p502-51sc Summary of contents

Page 1

FEATURES  Integrated voltage-controlled crystal oscillator circuitry (VCXO) (pull range 380ppm minimum).  VCXO tuning range  Uses inexpensive fundamental-mode parallel resonant crystals (from 20 to 52MHz).  2.5V or 3.3V supply voltage.  Selectable High ...

Page 2

PIN DESCRIPTIONS Name Number XOUT 1 N/C 2 VCON 3 GND 4 CLK 5 VDD XIN 8 ELECTRICAL SPECIFICATIONS 1. Absolute Maximum Ratings PARAMETERS Supply Voltage Input Voltage, dc Output Voltage, dc Storage Temperature Ambient Operating Temperature* ...

Page 3

AC Electrical Specifications PARAMETERS Input Crystal Frequency Output Clock Rise/Fall Time (Standard Drive) Output Clock Rise/Fall Time (High Drive) Output Clock Duty Cycle 4. Voltage Control Crystal Oscillator (3.3V) PARAMETERS VCXO Stabilization Time * VCXO Tuning Range CLK output ...

Page 4

Crystal Specifications PARAMETERS Crystal Resonator Frequency Crystal Loading Rating Crystal Pullability Recommended ESR Note: Crystal Loading rating: 9.5pF is the loading the crystal sees from the VCXO chip at VCON = 1.65V assumed that the crystal will ...

Page 5

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