SIT3372AI-4E3-30NY74.175820

Oscillators Overview

The SiTime SIT3372AI-4E3-30NY74.175820 is a differential MEMS Voltage-Controlled Crystal Oscillator (VCXO) operating at a nominal frequency of 74.17582 MHz. It features HCSL output signaling and operates on a 3.3V supply voltage within a compact 6-SMD, No Lead Exposed Pad package. Engineered for low-jitter applications, this device utilizes DualMEMS temperature sensing and TurboCompensation technology to ensure stability against thermal gradients, shock, and vibration. The part integrates multiple on-chip regulators to filter power supply noise, removing the need for external LDOs.

Oscillators Feature Summary

• Integrates DualMEMS temperature sensing and TurboCompensation technology for resistance to airflow, thermal gradients, shock, and vibration.
• Includes multiple on-chip regulators to filter power supply noise, eliminating the requirement for dedicated external Low-Dropout (LDO) regulators.
• Factory programmable for specific combinations of frequency, stability, voltage, output signaling, and pull range.

Oscillators Applications

• Telecommunications systems requiring precise timing synchronization
• Networking equipment such as enterprise servers and switches
• Industrial applications operating in noisy environments with variable pull frequencies

Oscillators Procurement Notes

Verify the complete part number including suffixes to confirm output signaling type, voltage level, and frequency accuracy. Ensure the selected variant matches the specific design requirements for jitter performance and pull range. Confirm package compatibility with the target PCB footprint. Check manufacturing notes for proper reflow profile specifications during assembly.

Oscillators Selection Notes

Select this component when designing systems that require differential clock signals with low jitter and high immunity to environmental stressors. The integrated noise filtering simplifies power architecture by removing external LDO dependencies. Consider the factory programmability for optimizing clock configurations without custom quartz manufacturing lead times.

Oscillators Part Context

This oscillator belongs to the SiT3372 family, which covers a frequency range from 1 MHz to 220 MHz. The series is designed for ultra-low jitter applications and leverages SiTime's MEMS technology to replace traditional quartz devices. The family offers extensive configurability for various industrial and telecom standards.

Oscillators Replacement Considerations

Direct replacements are limited due to the specific programming of frequency and pull range. Evaluate other SiT3372 variants or SiTime VCXOs with matching HCSL outputs and similar package dimensions if exact parameters differ.

Oscillators FAQ

Does the SIT3372AI require an external LDO?

No, the device integrates multiple on-chip regulators to filter power supply noise, eliminating the need for a dedicated external LDO.

What technology provides the device's resistance to shock and vibration?

The device utilizes SiTime’s unique DualMEMS temperature sensing and TurboCompensation technology to deliver exceptional dynamic performance against shock and vibration.