PRELIMINARY SPECIFICATIONS
Model: FXU-PC52 SERIES
LVPECL
5 x 3.2mm 2.5V Oscillator
Features
ULTRA Low Jitter
Low Cost
X
PRESS
Delivery
Frequency Resolution to six decimal places
Stabilities to ±
20
PPM
-20 to +70°C or -40 to +85°C operating temperatures
Tri-State Enable / Disable Feature
Industry Standard Package, Footprint & Pin-Out
Fully RoHS compliant
Gold over Nickel Termination Finish
Serial ID with Comprehensive Traceability
V
DD
Enable / Disable
Freq: 0.016 MHz to 667 MHz*
Rev. 03/05/2014
Applications
ANY application requiring a high
performance LVPECL oscillator
SONET
Ethernet
Storage Area Network
Broadband Access
Microprocessors / DSP / FPGA
Industrial Controllers
Test and Measurement Equipment
X
PRESS
O
ASICs
GND
FOX
OUTPUT
For more information -- Click on the drawing
Contents
page
Description
The Fox X
PRESS
O-ULTRA Crystal Oscillator is a
breakthrough in configurable Frequency Control
Solutions. X
PRESS
O-ULTRA utilizes a family of
proprietary ASICs, designed and developed by Fox,
with a key focus on noise reduction technologies.
The 4
th
order Delta Sigma Modulator reduces noise to
the levels that are comparable to traditional Bulk
Quartz and SAW oscillators. The ASICs family has
the ability to select the output type and supply
voltage.
With the X
PRESS
O-ULTRA lead-time, low cost, low
noise, wide frequency range, excellent ambient
performance, X
PRESS
O-ULTRA is an excellent choice
over the conventional technologies.
Finished X
PRESS
O-ULTRA parts are 100% final
tested.
Note * – Higher frequencies are available.
Contact Fox Technical Support for details.
Model Selection & Part Number Guide
2
Electrical Characteristic
3
Absolute Maximums
3
Output Wave Characteristics
4
Phase Noise
5
Jitter
5
Pin Assignment
6
Recommended Circuit
6
Reflow
6
Mechanical Drawing and Pad Layout
7
Tape and Reel Specification
8
Label
8
Traceability – LOT Number & Serial Identification 9
Mechanical Test
10
11
Other X
PRESS
O Series Links
Fox Contact Information
11
Page 1 of 11
Fox Electronics 5570 Enterprise Parkway Fort Myers, Florida 33905 USA +1.239.693.0099 FAX +1.239.693.1554
An Integrated Device Technology, Inc. company
FOXonline.com
PRELIMINARY SPECIFICATIONS
FXU-PC52 Series
Phase Noise (typical measurement at 125 MHz)
.
LVPECL Phase Jitter (typical measurement at 125 MHz)
Frequency
125 MHz
Phase Jitter (pS)
(12kHz to 20MHz)
0.304
Phase Jitter
is integrated from Agilent 5052A Signal Noise Analyzer; measured directly into 50 ohm input; V
DD
= 2.5V.
Page
5 of 11
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