SIT3372AI-1E9-33NG133.516483

Oscillators Overview

The SiTime SIT3372AI-1E9-33NG133.516483 is a MEMS-based Voltage Controlled Crystal Oscillator (VCXO) operating at a nominal frequency of 133.516483 MHz. It features LVDS output signaling and operates on a 3.3V supply voltage. The device utilizes DualMEMS temperature sensing and TurboCompensation technology for dynamic performance, providing resistance to airflow, thermal gradients, shock, and vibration. It integrates multiple on-chip regulators to filter power supply noise, eliminating the need for an external LDO.

Oscillators Feature Summary

• Integrates DualMEMS temperature sensing and TurboCompensation technology for exceptional dynamic performance against environmental stressors.
• Includes multiple on-chip regulators to filter power supply noise, removing the requirement for dedicated external low-dropout regulators.
• Factory programmable architecture allows optimization of clock configurations without customization costs associated with quartz devices.

Oscillators Applications

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

Oscillators Procurement Notes

Verify that the specific ordering suffix matches the required output signaling, voltage, and frequency parameters. Confirm RoHS3 compliance status if restricted substances are a constraint. Ensure the package type aligns with PCB layout requirements. Cross-reference the part number against official SiTime documentation to confirm availability and manufacturing notes for proper reflow profiles.

Oscillators Selection Notes

Select this component when a differential VCXO with integrated power regulation is required for high-frequency applications. The factory-programmable nature supports design flexibility across various frequencies and voltages. Consider the MEMS robustness against shock and vibration compared to traditional quartz alternatives. Evaluate the LVDS output compatibility with downstream receiver circuits.

Oscillators Part Context

This part belongs to the SiT3372 family of ultra-low jitter differential MEMS VCXOs. The series covers a wide frequency range from 1 MHz to 220 MHz. The AI suffix indicates specific configuration options within the programmable architecture. The family is designed to replace custom quartz oscillators, offering shorter lead times and flexible supply chains.

Oscillators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Designers should consult SiTime directly for cross-referencing or alternative part recommendations based on specific electrical and mechanical requirements.