CD-700
Complete VCXO Based Phase Lock Loop
Features
•
5 x 7.5 x 2 mm, smallest VCXO PLL available
•
Output Frequencies to 77.76 MHz
•
5.0 or 3.3 Vdc operation
•
Tri-State Output
•
Holdover on Loss of Signal Alarm
•
VCXO with CMOS outputs
•
0/70 or –40/85
°C
temperature range
•
Hermetically sealed ceramic SMD package
•
Product is compliant to RoHS directive
Applications
•
Frequency Translation
•
Clock Smoothing, Clock Switching
LO
S
PHO OPN
(3)
(2)
OPOUT
(1)
VC
(16)
LOSIN
(4)
•
NRZ Clock recovery
•
DSLAM, ADM, ATM, Aggregation, Optical
Switching/Routing, Base Station
DATAIN
(5)
CLKIN
(6)
VCXO
Phase
Detector
and LOS
OP-Amp
Optional
2
n
Divider
OUT1
(13)
•
Synchronous Ethernet
•
Low jitter PLL’s
OUT2
(11)
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.
Tel: 1-88-VECTRON-1
•
Web:
www.vectron.com
Rev : 06Apr08
RCLK RDATA
(9)
(10)
OPP
(15)
GND
(7)
VDD
(14)
HIZ
(12)
Figure 1. CD-700 Block Diagram
Vectron International, 267 Lowell Rd, Hudson NH 03051-4916
Page 1 of 14
VECTRON [ Vectron International, Inc ]
