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554BG000355DG

Description
VCXO Oscillators Quad VCXO 8 pin 7mm x 5mm (NCNR)
CategoryPassive components   
File Size345KB,15 Pages
ManufacturerSilicon Laboratories
Environmental Compliance
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554BG000355DG Overview

VCXO Oscillators Quad VCXO 8 pin 7mm x 5mm (NCNR)

554BG000355DG Parametric

Parameter NameAttribute value
Product AttributeAttribute Value
ManufacturerSilicon Laboratories
Product CategoryVCXO Oscillators
RoHSDetails
Frequency10 MHz to 945 MHz
Frequency Stability20 PPM
Load Capacitance15 pF
Operating Supply Voltage3.3 V
Supply Voltage - Min2.97 V
Supply Voltage - Max3.63 V
Output FormatLVDS
Termination StyleSMD/SMT
Package / Case7 mm x 5 mm
Minimum Operating Temperature- 40 C
Maximum Operating Temperature+ 85 C
Length7 mm
Height1.65 mm
Width5 mm
Current Rating99 mA
TypeQuad VCXO
Duty Cycle - Max55 %
Mounting StyleSMD/SMT
Factory Pack Quantity50
Unit Weight0.006562 oz
Si554
R
EVISION
D
Q
UAD
F
R E Q U E N C Y
V
O L TAG E
- C
O N T R O L L E D
C
RYSTAL
O
SCILLATOR
( V C X O ) 1 0 MH
Z TO
1.4 G H
Z
Features
Available with any-rate output
frequencies from 10–945 MHz and
selected frequencies to 1.4 GHz
Four selectable output frequencies
3rd generation DSPLL
®
with superior
jitter performance
3x better frequency stability than
SAW-based oscillators
Internal fixed crystal frequency
ensures high reliability and low
aging
Available CMOS, LVPECL,
LVDS, and CML outputs
3.3, 2.5, and 1.8 V supply options
Industry-standard 5 x 7 mm
package and pinout
Pb-free/RoHS-compliant
Si5602
Applications
Ordering Information:
SONET/SDH
xDSL
10 GbE LAN / WAN
Low jitter clock generation
Optical modules
Clock and data recovery
See page 10.
Description
The Si554 quad-frequency VCXO utilizes Silicon Laboratories’ advanced
DSPLL
®
circuitry to provide a very low jitter clock for all output frequencies.
The Si554 is available with any-rate output frequency from 10 to 945 MHz
and selected frequencies to 1400 MHz. Unlike traditional VCXOs, where a
different crystal is required for each output frequency, the Si554 uses one
fixed crystal frequency to provide a wide range of output frequencies. This
IC-based approach allows the crystal resonator to provide exceptional
frequency stability and reliability. In addition, DSPLL clock synthesis
provides superior supply noise rejection, simplifying the task of generating
low jitter clocks in noisy environments typically found in communication
systems. The Si554 IC-based VCXO is factory-configurable for a wide
variety of user specifications including frequency, supply voltage, output
format, tuning slope, and temperature stability. Specific configurations are
factory-programmed at time of shipment, thereby eliminating the long lead
times associated with custom oscillators.
Pin Assignments:
See page 9.
(Top View)
FS[1]
7
V
C
1
6
V
DD
OE
2
5
CLK–
GND
3
8
FS[0]
4
CLK+
Functional Block Diagram
V
DD
CLK- CLK+
FS1
Fixed
Frequency XO
Any-rate
10–1400 MHz
DSPLL
®
Clock Synthesis
FS0
ADC
V
c
OE
GND
Rev. 1.1 4/13
Copyright © 2013 by Silicon Laboratories
Si554
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