220至625 MHz，差分数字控制XO
SIT3922是一种高度灵活的高频差分MEMS DCXO，支持LVPECL和LVDS输出。必威体育官网手机登录该可编程设备支持任何频率，1至220 MHz，以及必威体育官网手机登录任何电压（1.8 V; 2.5 V至3.3 V）的组合，拉伸范围（±25ppm至±1600 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。它配有3个行业标准的6针封装（3.2x2.5 mm，5.0x3.2 mm，7.0x5.0 mm）。
| Oscillator Type | DCXO-DE |
| 频率 | 220 to 625 MHz |
| 频率Stability (ppm) | ±10, ±25, ±50 |
| Phase Jitter (rms) | 0.5 ps |
| Output Type | LVPECL，LVDS. |
| Operating Temperature Range (°C) | -20 to +70, -40 to +85 |
| 拉伸范围（PPM） | ±25，±50，±100，±200，±400，±800，±1600 |
| 电压电源（V） | 2.5, 3.3 |
| Package Type (mm²) | 3.2x2.5,5.0x3.2,7.0x5.0 |
| 特征 | Digitally controlled, Field Programmable |
| 可用性 | Production |
Three industry standard footprints for drop-in replacement of quartz VCXOs with minor design modification
- Digitally controlled 1 ppb frequency pull resolution
- 频率from 220 MHz to 625 MHz
- 电源电压为1.8 V;2.5 v至3.3 v
- 频率稳定性为±10 ppm至±50 ppm
- 拉伸范围从±25 ppm至±1600 ppm：
- Eliminating a need for external DAC
- Customized specification for optimal system performance
- Easy availability of any device specifications within the operating range
One-wire digital frequency tuning
- Simpler loop control in software controlled system PLL
- More consistent PLL bandwidth over operating range
- Faster calibration and lock time
- 减少调制谐波;
三个行业标准包
- 使用VCXO采用DCXO对现有设计进行微小的修改;
4 to 6 weeks lead time
- Reduce inventory overhead
- Mitigate shortage risks
- Networking and communication gears
- 网络视频系统和数字化仪
- Jitter cleaner
- Networked audio systems
- 仪器
- Low-bandwidth analog phase locked loop (PLL)
- FPGA数据恢复