SiT3808是在市场上最灵活、兼容LVCMOS/ LVTTL的压控振荡器(VCXO)。该器件支持任意组合的频率(高达80MHz),电压(1.8V,2.5V-3.3V),牵引范围(±25PPM到±1600PPM)和包装(2520、3225,5032,7050)。
它提供了低于1微微秒的抖动性能、以及在牵引范围及线性特性方面10倍优于传统石英VCXO的特性,从而简化PLL和时钟同步设计。可透过编程改变驱动能力协助工作人员降低EMI,卓越的斜率(Kv)一致性,能将导因系统PLL效能所造成的便异性达到极小化。它与传统的石英器件的足迹和控制电压是100%兼容,因此可直接取代VCXO石英振荡器,无需任何设计变更。
频率范围(MHz):1-80MHZ
牵引范围:±25, ±50, ±100, ±150, ±200, ±400, ±800, ±1600 PPM
工作电压(V):1.8、2.5V、3.3V
10倍于石英的牵引斜率:<=1%;
兼容LVCMOS/LVTTL 电平输出
工作温度(℃): -20 to +70、-40 to +85
控制电压:0-Vdd
封装(mm):3.2×2.5(4pin),5.0×3.2(6pin),7.0×5.0(6pin)mm
Any frequency between 1 MHz and 80 MHz with 6 decimal places of accuracy
100% pin-to-pin drop-in replacement to quartz based VCXO
Frequency stability as low as ±10 PPM
Widest pull range options from ±25 PPM to ±1600 PPM
Superior pull range linearity of <= 1%, 10 times better than quartz
LVCMOS/LVTTL compatible output
Three industry-standard packages: 3.2 mm x2.5 mm (4-pin), 5.0 mm x 3.2 mm (6-pin),7.0 mm x 5.0 mm (6-pin)
Outstanding siicon reliability of 2 FIT (10x improvement over quartz-based devices)
Ideal for telecom clock synchronization, instrumentation, low bandwidth analog PLL,jitter cleaner, clock recovery, audio, video, FPGA, broadband and networking
- Telecom equipment
- Wireless basestations
- Networking and communication electronics
- Networked video systems and digitizers
- Set-top boxes (STB)
- Jitter cleaner
- Networked audio systems
- Low bandwidth analog phase locked loops (PLL)
- FGPA data recovery