SIT3373AI-1E2-28NX245.760000

Oscillators Overview

The SiTime SIT3373AI-1E2-28NX245.760000 is a differential MEMS voltage-controlled oscillator (VCXO) operating at 245.76 MHz with LVPECL output signaling. It functions within a 2.8V supply and offers ±25 ppm frequency stability across the -40°C to +85°C temperature range. The device utilizes DualMEMS technology for enhanced dynamic performance, including resistance to shock, vibration, and EMI. It integrates on-chip regulators to filter power supply noise, eliminating the need for external LDOs. The component is housed in a compact 6-SMD, No Lead Exposed Pad package.

Oscillators Feature Summary

• Integrates multiple on-chip regulators to filter power supply noise without requiring dedicated external low-dropout regulators
• Delivers exceptional dynamic performance through resistance to airflow, thermal gradients, shock, and vibration
• Utilizes DualMEMS temperature sensing and TurboCompensation technology for stable operation

Oscillators Applications

• Telecommunications systems requiring precise clocking
• Networking equipment demanding low-jitter differential signals
• Industrial applications operating in noisy environments

Oscillators Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to ensure compatibility with required voltage levels, output types, and stability specifications. Confirm that the LVPECL output configuration matches the receiving circuitry requirements. Ensure the 6-SMD package dimensions align with the printed circuit board layout constraints. Cross-reference the part number with authorized distributors to confirm current availability and authenticity before finalizing procurement orders.

Oscillators Selection Notes

Select this component when a differential VCXO with LVPECL outputs is required for frequencies around 245.76 MHz. Consider its integrated power regulation features if space for external components is limited. Evaluate its MEMS-based robustness against environmental factors like vibration and shock compared to traditional quartz alternatives. Ensure the ±25 ppm stability meets the system's timing accuracy requirements across the specified industrial temperature range.

Oscillators Part Context

The SiT3373 series represents SiTime's ultra-low jitter differential VCXO family, designed for high-performance timing applications. This model specifically targets the 220 MHz to 725 MHz range, offering programmability for various frequencies and pull ranges. The series leverages silicon MEMS technology to provide superior reliability and smaller form factors compared to conventional crystal oscillators, supporting diverse industry standards.

Oscillators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.