1到220 MHz, ±10 to ±50 ppm Digitally-controlled XO

SIT3907是一种高度灵活的高性能DCXO,具有LVCMOS / LVTTL兼容输出。该可编程器件支持任何频率,1-220 MHz,以及必威体育官网手机登录任何电压的组合(1.8 V; 2.5 V至3.3 V),拉伸范围(±25ppm至±200 ppm)和封装(3225,5032,7050)。它可以通过独特的单线接口进行频率调整,消除由电路板噪声和简化PLL和时钟同步设计引起的频率漂移。它有3个行业标准封装尺寸,4针3.2x2.5 mm,6针5.0x3.2或7.0x5.0 mm。

Three industry standard footprints for drop-in replacement of quartz VCXOs with minor design modification
振荡器类型 DCXO-SE
Frequency 1到220 MHz
频率稳定性(PPM) ±10, ±25, ±50
Phase Jitter (rms) 0.6 PS.
Output Type LVCMOS
Operating Temperature Range (°C) -20至+70,-40至+85
Pull Range (ppm) ±25, ±50, ±100, ±200, ±400, ±800, ±1600
FlexEdgeTMRise/Fall Time Yes
Voltage Supply (V) 1.8,2.5,2.8,3.3
包类型(mm²) 3.2 x2.5, 5.0 x3.2, 7.0 x5.0
Features 数字控制,现场可编程
可用性 生产
  • 数字控制1 PPB频率拉分辨率
  • Frequency from 1 MHz to 220 MHz
  • 电源电压为1.8 V;2.5 v至3.3 v
  • Frequency stability from ±10 ppm to ±50 ppm
  • Pull range from ±25 ppm to ±1600 ppm:
  • 消除了对外部DAC的需求
  • 定制规范,以获得最佳系统性能
  • 可以轻松地可用于操作范围内的任何设备规格

单线数字频率调谐

  • Simpler loop control in software controlled system PLL
  • 更一致的PLL带宽在工作范围内
  • 更快的校准和锁定时间
  • Reduction of modulation harmonics;

Three industry-standard packages

  • Minor modification to existing design using VCXO to adopt the DCXO;

4 to 6 weeks lead time

  • 减少库存开销
  • 减轻短缺风险

  • 时序服务器
  • Networked video systems and digitizers
  • Set-top boxes (STB)
  • Jitter cleaner
  • 网络音频系统
  • Instrumentation
  • Low-bandwidth analog phase locked loop (PLL)
  • FPGA数据恢复

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