SIT3373AC-4B9-28NB307.695484

Oscillators Overview

The SiTime SIT3373AC-4B9-28NB307.695484 is a differential MEMS voltage-controlled oscillator (VCXO) operating at a standard frequency of 307.695484 MHz. It utilizes HCSL output signaling and functions with a supply voltage of 2.8V. The device is housed in a compact 6-SMD, No Lead package measuring 7 mm x 5 mm. It features a frequency stability of 35 ppm and operates within a temperature range of -20°C to 70°C. This component is engineered for low-jitter applications, offering resistance to environmental stressors such as shock, vibration, and EMI through integrated on-chip regulators.

Oscillators Feature Summary

• Integrates multiple on-chip regulators to filter power supply noise, eliminating the need for dedicated external LDOs.
• Delivers exceptional dynamic performance by providing resistance to airflow, thermal gradients, shock, and vibration.
• Utilizes DualMEMS temperature sensing and TurboCompensation technology for enhanced stability.

Oscillators Applications

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

Oscillators Procurement Notes

Verify that the specific ordering suffix matches the required output format, voltage, and pull range parameters. Confirm the package type corresponds to the 6-SMD no-lead configuration. Ensure the operating temperature range aligns with the intended application environment. Cross-reference the frequency specification to guarantee compatibility with system requirements before finalizing procurement orders.

Oscillators Selection Notes

Select this component when a differential VCXO with HCSL outputs is required for frequencies around 307 MHz. Consider its MEMS-based construction for superior resilience against mechanical shock and vibration compared to traditional quartz devices. Evaluate the integrated power regulation capabilities if minimizing external component count is a priority. Verify that the 35 ppm stability meets the system's timing accuracy constraints.

Oscillators Part Context

This part belongs to the SiT3373 family of ultra-low jitter differential MEMS VCXOs from SiTime. The series supports frequencies from 220 MHz to 725 MHz and offers factory-programmable options for frequency, stability, voltage, and output signaling. The family is designed to replace custom quartz oscillators, providing flexibility and reduced lead times for telecom and networking designs.

Oscillators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Designers should verify pinout and electrical parameter compatibility when considering alternative MEMS VCXO sources. Consult manufacturer cross-reference tools for potential equivalents if this specific model is unavailable.