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550AB77M2500DG

Description
LVPECL Output Clock Oscillator, 10MHz Min, 1417MHz Max, 77.25MHz Nom, ROHS COMPLIANT PACKAGE-6
CategoryPassive components    oscillator   
File Size109KB,15 Pages
ManufacturerSilicon Laboratories Inc
Environmental Compliance
Download Datasheet Parametric View All

550AB77M2500DG Overview

LVPECL Output Clock Oscillator, 10MHz Min, 1417MHz Max, 77.25MHz Nom, ROHS COMPLIANT PACKAGE-6

550AB77M2500DG Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
Objectid1195832363
package instructionDILCC6,.2
Reach Compliance Codeunknown
Other featuresTRAY
Maximum control voltage3.3 V
Minimum control voltage
maximum descent time0.35 ns
Frequency Adjustment - MechanicalNO
Frequency offset/pull rate30 ppm
frequency stability100%
linearity10%
Manufacturer's serial numberSI550
Installation featuresSURFACE MOUNT
Number of terminals6
Maximum operating frequency1417 MHz
Minimum operating frequency10 MHz
Nominal operating frequency77.25 MHz
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Oscillator typeLVPECL
Output load50 OHM
Package body materialPLASTIC/EPOXY
Encapsulate equivalent codeDILCC6,.2
physical size7.0mm x 5.0mm x 1.8mm
power supply3.3 V
Certification statusNot Qualified
longest rise time0.35 ns
Maximum slew rate130 mA
Maximum supply voltage3.63 V
Minimum supply voltage2.97 V
Nominal supply voltage3.3 V
surface mountYES
maximum symmetry55/45 %
Si550
R
EVISION
D
V
O L TAG E
- C
ONTR OLLED
C
RYSTAL
O
S C I L L A T O R
(VCXO)
10 MH
Z TO
1.4 G H
Z
Features
Available with any frequency from
10 to 945 MHz and select
frequencies to 1.4 GHz
3rd generation DSPLL
®
with
superior jitter performance (0.5 ps)
3x better temperature stability than
SAW-based oscillators
Excellent PSRR performance
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
Ordering Information:
See page 10.
Applications
SONET/SDH
xDSL
10 GbE LAN/WAN
Low-jitter clock generation
Optical modules
Clock and data recovery
Pin Assignments:
See page 9.
(Top View)
V
C
1
6
V
DD
Description
The Si550 VCXO utilizes Silicon Laboratories’ advanced DSPLL
®
circuitry to
provide a low-jitter clock at high frequencies. The Si550 supports any
frequency from 10 to 945 MHz and select frequencies to 1417 MHz. Unlike
traditional VCXOs, where a different crystal is required for each output
frequency, the Si550 uses one fixed crystal 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 Si550 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.
OE
2
5
CLK–
GND
3
4
CLK+
Functional Block Diagram
V
DD
Fixed
Frequency
XO
Any-Frequency
10 MHz–1.4 GHz
DSPLL
®
Clock Synthesis
CLK+
CLK–
Vc
ADC
OE
GND
Rev. 1.1 4/13
Copyright © 2013 by Silicon Laboratories
Si550
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