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220 to 625 MHz, ±10 to ±50 ppm Differential XO
LoginThe SiT9122 is a highly flexible, high-frequency, programmable differential oscillator that supports LVPECL and LVDS output signaling types. This differential oscillator covers any frequency between 220 to 625 MHz, with RMS phase jitter of 0.6 ps (typ.). Unlike quartz or SAW based traditional oscillators, the SiT9122 is available in any combination of voltage (2.5 V to 3.3 V), frequency stability (±10, ±20, ±25, and ±50 ppm) and package (3225, 5032, 7050) options.
Program oscillators to get instant samples, optimized performance, and fast prototyping | Learn More
View related products: 1 to 220 MHz | 0.23 ps phase jitter | XO lineup
| "Specs" | "Value" |
|---|---|
| Oscillator Type | XO-DE |
| Frequency | 220 to 625 MHz |
| Frequency Stability (ppm) | ±10, ±20, ±25, ±50 |
| Phase Jitter (rms) | 0.6 ps |
| Output Type | LVPECL, LVDS |
| Operating Temperature Range (°C) | -20 to +70, -40 to +85 |
| Voltage Supply (V) | 2.5, 3.3, 2.25 to 3.63 |
| Package Type (mm²) | 3.2x2.5, 5.0x3.2, 7.0x5.0 |
| Features | Field programmable |
| Availability | Production |
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Image: SiT9122 6-pin package, top & bottom
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SiT9122 pin assignments
0.6 ps (typ.) integrated RMS phase jitter (12 kHz to 20 MHz)
- Excellent jitter margin for the most stringent applications such as 1 to 10GbE
Excellent frequency stability, as low as ±10 ppm
- Better timing margin that enhances system stability and robustness
- Extensive programmability
- Fixed frequency between 25 to 212.5 MHz
- LVPECL and LVDS output signaling types
- Supply voltage of 2.5 V and 3.3 V
- Frequency stability from ±10 ppm and ±50 ppm
- Customized specifications for optimal system performance
- Cost-effective
- Easy availability of any device specification within the operating range
Three industry-standard packages
- 100% drop-in replacement for quartz, SAW and overtone oscillators without any design changes
- 4 to 6 weeks lead time
- Reduce inventory overhead
- Mitigate shortage risks
- 1Gb to 10Gb Ethernet
- Optical modules
- PCIe
- FPGA
- SATA/SAS
- Fibre channel
- System clocking
- Test and measurement
Eval Boards (Contact SiTime) – SiT6097 (3225) | SiT6086 (5032) | SiT6085 (7050)
Frequency Slope (dF/dT) Calculator – Calculate frequency slope over temperature
Time Machine II Programmer – Program frequency, voltage, stability & more
Reliability Calculator – Get FIT/MTBF data for various operating conditions
Jitter Calculator and Plots – Convert phase noise to phase jitter, find phase noise plots
5032 6-Pins | 7050 6-Pins – Preview packages with QFN 3D step models
