SIT9365AC-2B2-28N125.000000

Oscillators Overview

The SiTime SIT9365AC-2B2-28N125.000000 is a MEMS differential oscillator operating at 125 MHz with LVDS output. It features ±25 ppm frequency stability and operates on a 2.8V supply within the -20°C to +70°C temperature range. The device utilizes DualMEMS technology for enhanced environmental stability, offering superior vibration resistance compared to quartz alternatives. Packaged in a compact 3.2x2.5mm SMD form factor, it integrates internal regulation to reduce power noise sensitivity.

Oscillators Feature Summary

• DualMEMS architecture provides high immunity to shock and vibration
• Integrated linear regulators filter power supply noise
• Standard pinout compatible with traditional quartz crystal oscillators

Oscillators Applications

• Industrial Ethernet switch clock generation
• High-speed data communication interfaces
• Network infrastructure timing modules

Oscillators Procurement Notes

Verify the specific suffix codes against official documentation to confirm voltage, temperature, and package dimensions. Ensure the ordering part number matches the required output format and frequency stability specifications for your design. Cross-reference the datasheet revision date to guarantee access to the latest electrical characteristics and reliability data before finalizing procurement.

Oscillators Selection Notes

Select this component when replacing quartz XO designs requiring improved ruggedness without layout changes. The integrated power regulation reduces BOM complexity by eliminating external LDOs. Verify that the LVDS output interface aligns with the target PHY requirements and that the standard frequency point meets system timing needs without custom programming delays.

Oscillators Part Context

This model belongs to the SiT9365 series of ultra-low jitter differential oscillators from SiTime. The series leverages silicon MEMS resonators to replace bulk acoustic wave quartz devices. It targets applications demanding high reliability and fast availability, serving as a direct drop-in replacement for standard frequency crystal oscillators in industrial and networking equipment.

Oscillators Replacement Considerations

Direct pin-compatible replacements include other SiT9365 variants with different frequencies or outputs. For broader frequency ranges, consider the SiT9366 (1-220 MHz) or SiT9367 (220-725 MHz) series. Ensure substitute parts maintain the same LVDS output type and voltage levels.

Oscillators FAQ

Does this oscillator require an external load capacitor?

No, as a complete oscillator module, the SIT9365AC does not require external load capacitors, unlike discrete crystal resonators.

How does the vibration performance compare to quartz?

The DualMEMS technology offers significantly higher shock and vibration immunity, maintaining stable frequency output under high-g acceleration where quartz may fail.