參數(shù)資料
型號(hào)： 571MFAFREQDG
廠商： SILICON LABORATORIES
元件分類： VCXO, clock
英文描述： VCXO, CLOCK, 10 MHz - 945 MHz, LVPECL OUTPUT
封裝： ROHS COMPLIANT PACKAGE-8
文件頁(yè)數(shù)： 1/26頁(yè)
文件大?。?/td> 315K
代理商： 571MFAFREQDG
Rev. 0.31 8/07
Copyright 2007 by Silicon Laboratories
Si570/Si571
This information applies to a product under development. Its characteristics and specifications are subject to change without notice.
Si570/Si571
PRELIMINARY DATA SHEET
ANY-RATE I2C PROGRAMMABLE XO/VCXO
Features
Applications
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 I2C 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-rate
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.
Functional Block Diagram
Any-rate programmable output
frequencies from 10 to 945 MHz and
select frequencies to 1.4 GHz
I2C serial interface
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 LVPECL, CMOS,
LVDS, and CML outputs
Industry-standard 5x7 mm
package
Pb-free/RoHS-compliant
1.8, 2.5, or 3.3 V supply
SONET / SDH
xDSL
10 GbE LAN / WAN
Low-jitter clock generation
Optical modules
Clock and data recovery
Fixed
Frequency
XO
Any-rate
10-1400 MHz
DSPLL
Clock
Synthesis
CLK-
CLK+
SCL
GND
OE
VDD
SDA
VC
ADC
Si571 only
Ordering Information:
Pin Assignments:
(Top View)
Si5602
Si570
Si571
1
2
3
6
5
4
NC
GND
OE
VDD
CLK+
CLK–
SDA
SCL
8
7
1
2
3
6
5
4
VC
GND
OE
VDD
CLK+
CLK–
SDA
SCL
8
7
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
571MFB000325DG 功能描述:VCXO振蕩器 PRGRMBL VCXO 8pin 7mm x 5mm RoHS:否 制造商:Fox 封裝 / 箱體:5 mm x 3.2 mm 頻率:19.2 Mhz 頻率穩(wěn)定性:2.5 PPM 輸出格式: 封裝:Reel 電源電壓:3 V 端接類型:SMD/SMT 尺寸:3.2 mm W x 5 mm L x 1.5 mm H 最小工作溫度:- 20 C 最大工作溫度:+ 75 C
571MFB000325DGR 制造商:Silicon Laboratories Inc 功能描述:CONTROLLED OSCILLATOR 698.8123MHZ VCXO LVPECL 6-PIN SMD - Tape and Reel
571MFB000333DG 制造商:Silicon Laboratories Inc 功能描述:CONTROLLED OSCILLATOR 123.4567MHZ VCXO LVPECL 6-PIN SMD - Trays
571MFB000334DG 制造商:Silicon Laboratories Inc 功能描述:CONTROLLED OSCILLATOR 698.8123MHZ VCXO LVPECL 6-PIN SMD - Trays
571MGB000800DG 制造商:Silicon Laboratories Inc 功能描述:OSCILLATOR - Trays
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