CD-700-SYNCE-25M0000000 Datasheet, PDF (1/11 Pages) Vectron International, Inc – Complete VCXO Based Phase Lock Loop

CD-700-SYNCE-25M0000000
Complete VCXO Based Phase Lock Loop
For Synchronous Ethernet Jitter Attenuation
CD-700
Description
The VI CD-700 is a user-configurable crystal based PLL integrated circuit. It includes a digital phase detector, op-amp, VCXO
and additional integrated functions for use in digital synchronization applications. Loop filter software is available as well SPICE
models for circuit simulation.
Features
• 5 x 7.5 x 2 mm, smallest VCXO PLL available
• Two Output Frequencies (25 MHz and 50 MHz)
• Integrated Phase Jitter < 600 fsec
• 5.0 or 3.3 Vdc operation
• Tri-State Output
• Holdover on Loss of Signal Alarm
• VCXO with CMOS outputs
• –40/85 0C temperature range
• Hermetically sealed ceramic SMD package
Applications
• Jitter Attenuation
• Clock Smoothing
• Synchronous Ethernet, G.8262
Block Diagram
LOS
PHO OPN
OPOUT VC
LOSIN
(8)
(3) (2)
(1) (16)
(4)
DATAIN
(5)
CLKIN
(6)
Phase Detector and
LOS
VCXO
OUT1
(13)
Optional 2nd divider
OUT2
(11)
RCLK RDATA
OPP
(9)
(10)
(15)
GND VDD HIZ
(7) (14) (12)
Page 1 of 11
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
Rev: 15Dec2009