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571DHB000277DG

Description
Oscillator, 10MHz Min, 810MHz Max, 810MHz Nom,
CategoryPassive components    oscillator   
File Size204KB,32 Pages
ManufacturerSkyworks
Websitehttp://www.skyworksinc.com
Environmental Compliance
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571DHB000277DG Overview

Oscillator, 10MHz Min, 810MHz Max, 810MHz Nom,

571DHB000277DG Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
Objectid4037670988
Reach Compliance Codecompliant
Installation featuresSURFACE MOUNT
Number of terminals8
Maximum operating frequency810 MHz
Minimum operating frequency10 MHz
Nominal operating frequency810 MHz
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialCERAMIC
Encapsulate equivalent codeLCC8,.2X.28,100
Certification statusNot Qualified
Maximum slew rate117 mA
Nominal supply voltage3.3 V
surface mountYES
Si 5 7 0 / S i 5 7 1
10 MH
Z
Features
Any programmable output
frequencies from 10 to 945 MHz and
select frequencies to 1.4 GHz
I
2
C serial interface
3rd generation DSPLL
®
with superior
jitter performance
3x better frequency stability than
SAW-based oscillators
TO
1.4 G H
Z
I
2
C P
ROGRAMMABLE
XO/VCXO
Internal fixed crystal frequency
ensures high reliability and low
aging
Available LVPECL, CMOS,
LVDS, and CML outputs
Industry-standard 5x7 mm
package
Pb-free/RoHS-compliant
1.8, 2.5, or 3.3 V supply
Si5602
Applications
Ordering Information:
SONET/SDH
xDSL
10 GbE LAN/WAN
Low-jitter clock generation
Optical modules
Clock and data recovery
See page 27.
Description
The Si570 XO/Si571 VCXO utilizes Silicon Laboratories’ advanced DSPLL
®
circuitry to provide a low-jitter clock at any frequency. The Si570/Si571 are
user-programmable to any output frequency from 10 to 945 MHz and select
frequencies to 1400 MHz with <1 ppb resolution. The device is programmed
via an I
2
C serial interface. Unlike traditional XO/VCXOs where a different
crystal is required for each output frequency, the Si57x uses one fixed-
frequency crystal and a DSPLL clock synthesis IC to provide any-frequency
operation. 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.
Pin Assignments:
See page 26.
(Top View)
SDA
7
NC
1
6
V
DD
OE
2
5
CLK–
GND
3
8
SCL
4
CLK+
Functional Block Diagram
V
DD
CLK-
CLK+
Si570
SDA
OE
Fixed
Frequency
XO
10-1400 MHz
DSPLL Clock
Synthesis
7
V
C
SCL
1
6
V
DD
SDA
OE
2
5
CLK–
Si571 only
GND
ADC
3
8
SCL
4
CLK+
GND
V
C
Si571
Si570/Si571
Rev. 1.4 4/13
Copyright © 2013 by Silicon Laboratories
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