220到625 MHz, Differential Digitally-controlled XO
The SiT3922 is a highly flexible, high-frequency differential MEMS DCXO that supports LVPECL and LVDS outputs. This programmable device supports any frequency, 1 to 220 MHz, along with any combination of voltage (1.8 V; 2.5 V to 3.3 V), pull range (±25 ppm to ±1600 ppm) and package (3225, 5032, 7050). It enables frequency tuning via a unique one-wire interface, eliminating frequency drift that is caused by board noise and simplifying PLL and clock synchronization design. It comes in 3 industry-standard 6-pin packages (3.2x2.5 mm, 5.0x3.2 mm, 7.0x5.0 mm).
View related products:1到220 MHz|I2C / SPI数字控制
| 振荡器类型 | DCXO-DE |
| Frequency | 220到625 MHz |
| Frequency 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 |
| Pull Range (ppm) | ±25, ±50, ±100, ±200, ±400, ±800, ±1600 |
| Voltage Supply (V) | 2.5, 3.3 |
| 包类型（mm²） | 3.2x2.5, 5.0x3.2, 7.0x5.0 |
| 特征 | 数字控制，现场可编程 |
| Availability | 生产 |
Three industry standard footprints for drop-in replacement of quartz VCXOs with minor design modification
- Digitally controlled 1 ppb frequency pull resolution
- 频率从220 MHz到625 MHz
- Supply voltage of 1.8 V; 2.5 V to 3.3 V
- Frequency stability from ±10 ppm to ±50 ppm
- Pull range from ±25 ppm to ±1600 ppm:
- Eliminating a need for external DAC
- Customized specification for optimal system performance
- 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
- More consistent PLL bandwidth over operating range
- 更快的校准和锁定时间
- Reduction of modulation harmonics;
三个行业标准包
- Minor modification to existing design using VCXO to adopt the DCXO;
4 to 6 weeks lead time
- Reduce inventory overhead
- 减轻短缺风险
- 网络和通信齿轮
- 网络视频系统和数字化器
- Jitter cleaner
- 网络音频系统
- Instrumentation
- 低带宽模拟相位锁定环（PLL）
- FPGA data recovery
Evaluation Boards(Contact SiTime)– SiT6097 (3225) | SiT6086 (5032) | SiT6085 (7050)
可靠性计算器– Get FIT/MTBF data for various operating conditions
Frequency Slope (dF/dT) Calculator- 计算频率斜率超过温度
QFN 3225 6-Pins|qfn 5032 6-pins|QFN 7050 6-Pins– Preview packages with QFN3D step models