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| 型号： | 552CE000118DG |
| 厂商： | Silicon Laboratories Inc |
| 文件页数： | 1/15页 |
| 文件大小： | 0K |
| 描述： | OSC 3.3V 74.175824MHZ/74.25MHZ |
| 标准包装： | 50 |
| 系列： | Si552 |
| 类型： | VCXO |
| 频率： | 74.1758MHz |
| 功能： | 三态（输出启用） |
| 输出： | CMOS |
| 电源电压： | 3.3V |
| 频率稳定性： | ±20ppm |
| 工作温度： | -40°C ~ 85°C |
| 电流 - 电源（最大）： | 98mA |
| 安装类型： | 表面贴装 |
| 尺寸/尺寸： | 0.276" L x 0.197" W（7.00mm x 5.00mm） |
| 高度： | 0.065"（1.65mm） |
| 封装/外壳： | 6-SMD，无引线（DFN，LCC） |
| 包装： | 带卷 (TR) |
| 其它名称： | Q3869882 |
Si 5 52
R EVISION D
D U A L F REQUENCY V OLTAGE - C ON TROLLED C R Y S TA L
O SCILLATOR ( V C X O ) 1 0 MH Z TO 1.4 G H Z
Features
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?
?
?
Available with any-rate output
frequencies from 10–945 MHz and
selected frequencies to 1.4 GHz
Two selectable output frequencies
3rd generation DSPLL ? with superior
jitter performance
3x better frequency stability than
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?
?
?
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
Si5602
SAW-based oscillators
Applications
?
package and pinout
Pb-free/RoHS-compliant
Ordering Information:
?
?
?
SONET/SDH
xDSL
10 GbE LAN/WAN
?
?
?
Low-jitter clock generation
Optical modules
Clock and data recovery
Pin Assignments:
Description
The Si552 dual-frequency VCXO utilizes Silicon Laboratories’ advanced
DSPLL ? circuitry to provide a very low jitter clock for all output frequencies.
The Si552 is available with any-rate output frequency from 10 to 945 MHz
(Top View)
and selected frequencies to 1400 MHz. Unlike traditional VCXOs, where a
V C
1
6
V DD
different crystal is required for each output frequency, the Si552 uses one
fixed crystal frequency to provide a wide range of output frequencies. This
FS
2
5
CLK–
IC-based approach allows the crystal resonator to provide exceptional
frequency stability and reliability. In addition, DSPLL clock synthesis
GND
3
4
CLK+
provides superior supply noise rejection, simplifying the task of generating
low-jitter clocks in noisy environments typically found in communication
systems. The Si552 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.
Functional Block Diagram
V DD
Fixed
Frequency XO
Any-rate
10–1400 MHz
DSPLL ?
CLK- CLK+
Clock Synthesis
ADC
V C
FS
GND
Rev. 1.1 4/13
Copyright ? 2013 by Silicon Laboratories
Si552
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 552CE000118DGR | 制造商:Silicon Laboratories Inc 功能描述: |
| 552CE000270DG | 制造商:Silicon Laboratories Inc 功能描述: |
| 552CE622M080BG | 制造商:SILABS 制造商全称:SILABS 功能描述:DUAL FREQUENCY VCXO (10 MHZ TO 1.4 GHZ) |
| 552CE622M080BGR | 制造商:SILABS 制造商全称:SILABS 功能描述:DUAL FREQUENCY VCXO (10 MHZ TO 1.4 GHZ) |
| 552CF000118DG | 制造商:Silicon Laboratories Inc 功能描述:CNTRLD OSC 74.175824MHZ/74.25MHZ VCXO CMOS 6PIN - Trays |
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