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參數資料
| 型號： | 514ECAXXXXXXAAGR |
| 廠商： | SILICON LABORATORIES |
| 元件分類： | 時鐘產生/分配 |
| 英文描述： | 250 MHz, OTHER CLOCK GENERATOR, PDSO6 |
| 封裝： | 5 X 7 MM, ROHS COMPILANT PACKAGE-6 |
| 文件頁數： | 1/32頁 |
| 文件大小： | 267K |
| 代理商： | 514ECAXXXXXXAAGR |
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Preliminary Rev. 0.9 3/11
Copyright 2011 by Silicon Laboratories
Si514
A NY-F REQUENCY I 2C P ROGRAMMABLE XO (100 kH Z TO 250 M H Z)
Features
Applications
Description
The Si514 user-programmable I2C XO utilizes Silicon Laboratories' advanced PLL
technology to provide any frequency from 100 kHz to 250 MHz with programming
resolution of 0.026 parts per billion. The Si514 uses a single integrated crystal and
Silicon Labs’ proprietary DSPLL synthesizer to generate any frequency across this
range using simple I2C commands. Ultra-fine tuning resolution replaces DACs and
VCXOs with an all-digital PLL solution that improves performance where
synchronization is necessary or in free-running reference clock applications. This
solution provides superior supply noise rejection, simplifying low jitter clock
generation in noisy environments. Crystal ESR and DLD are individually
production-tested to guarantee performance and enhance reliability.
The Si514 is factory-configurable for a wide variety of user specifications, including
startup frequency, I2C address, supply voltage, output format, and stability. Specific
configurations are factory-programmed at time of shipment, eliminating long lead
times and non-recurring engineering charges associated with custom frequency
oscillators.
Functional Block Diagram
Programmable to any frequency
from 100 kHz to 250 MHz
0.026 ppb frequency tuning
resolution
Glitch suppression on OE, power
on and frequency transitions
1 ps phase jitter (rms, max)
2- to 4-week lead times
Total stability includes 10-year
aging
Comprehensive production test
coverage includes crystal ESR and
DLD
On-chip LDO for power supply
noise filtering
3.3, 2.5, or 1.8 V operation
Differential (LVPECL, LVDS,
HCSL) or CMOS output options
Optional integrated 1:2 CMOS
fanout buffer
Industry standard 5 x 7 and
3.2x 5mm packages
–40 to 85 oC operation
All-digital PLLs
DAC+ VCXO replacement
SONET/SDH/OTN
3G-SDI/HD-SDI/SDI
Datacom
Industrial automation
FPGA/ASIC clock generation
FPGA synchronization
Ordering Information:
See page 25.
Pin Assignments:
See page 24.
Si5602
1
2
3
6
5
4
GND
SCL
VDD
CLK+
CLK–
SDA
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| 515105 | MECHANICAL TUNED DRO, 8000 MHz - 9000 MHz |
相關代理商/技術參數 |
參數描述 |
|---|---|
| 514F | 功能描述:風扇 50x15mm 24VDC 12CFM 1W 5000RPM 30dBA SB RoHS:否 制造商:Sanyo Denki 產品:Fans 電流類型: 電源電壓:48 V 氣流:636 CFM 軸承類型: 噪聲:83 dBA 速度:6400 RPM 功率額定值:264 W 框架尺寸 (mm):172 mm x 150 mm x 102 mm 外殼材料:Aluminum 端接類型:Wire 系列: |
| 514F | 制造商:ebm-papst Inc 功能描述:FAN 50MM 24VDC |
| 514F | 制造商:ebm-papst Inc 功能描述:Axial Fan |
| 514FAA000115BAG | 功能描述:100kHz ~ 250MHz LVDS XO (Standard) Programmable Oscillator Surface Mount 2.5V 23mA Enable/Disable 制造商:silicon labs 系列:Si514 包裝:托盤 零件狀態:有效 類型:XO（標準） 可編程類型:空白（須由用戶啟用程序） 可用頻率范圍:100kHz ~ 250MHz 功能:啟用/禁用 輸出:LVDS 電壓 - 電源:2.5V 頻率穩定度:±50ppm 頻率穩定性（總體）:±100ppm 工作溫度:-40°C ~ 85°C 擴頻帶寬:- 電流 - 電源（最大值）:23mA 等級:- 安裝類型:表面貼裝 封裝/外殼:6-SMD，無引線（DFN，LCC） 大小/尺寸:0.197" 長 x 0.126" 寬（5.00mm x 3.20mm） 高度:0.050"（1.28mm） 電流 - 電源（禁用）（最大值）:18mA 標準包裝:50 |
| 514FBA000159AAG | 制造商:Silicon Laboratories Inc 功能描述:OSCILLATOR - Trays |
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