SIT3372AC-4B2-25NX61.440000

Oscillators Overview

The SiTime SIT3372AC-4B2-25NX61.440000 is a differential MEMS VCXO operating at 61.44 MHz with LVPECL output signaling. It functions within a 2.5 V supply range and offers ±25 ppm frequency stability. The device utilizes DualMEMS temperature sensing and TurboCompensation technology for dynamic performance against thermal gradients, shock, and vibration. Integrated on-chip regulators filter power supply noise, removing the need for external LDOs. It is housed in a 3.2 mm x 2.5 mm surface-mount package suitable for low-jitter applications.

Oscillators Feature Summary

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

Oscillators Applications

• Telecommunications systems requiring precise clock synchronization
• Networking equipment demanding low-jitter differential signals
• Industrial applications operating in noisy or harsh environments

Oscillators Procurement Notes

Verify the complete part number including suffixes to ensure correct output format (LVPECL), voltage (2.5V), and stability (±25ppm). Confirm package dimensions match the 3.2x2.5mm footprint. Check manufacturing notes for reflow profile requirements. Ensure compatibility with system power rails and control voltage ranges before integration.

Oscillators Selection Notes

Select this component when a differential VCXO with LVPECL outputs is required at 61.44 MHz. It is suitable for designs needing immunity to environmental stressors like vibration and thermal shifts. Choose this over quartz alternatives to reduce lead times and customization costs. Ensure the application supports the 2.5V supply and benefits from integrated noise filtering capabilities.

Oscillators Part Context

The SiT3372 series represents SiTime’s Elite Platform, featuring ultra-low jitter differential MEMS oscillators. This platform supports frequencies from 1 MHz to 220 MHz with various output types including LVPECL, LVDS, and HCSL. The series is designed for telecom, networking, and industrial sectors, offering factory-programmable parameters to optimize clock configurations without custom quartz manufacturing delays.

Oscillators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify pinout and electrical specifications against existing quartz VCXOs if cross-referencing. Consult manufacturer resources for direct equivalents within the SiT3372 family with matching frequency and output formats.

Oscillators FAQ

Does the SIT3372AC-4B2-25NX61.440000 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 dynamic performance against environmental hazards?

The device utilizes SiTime’s unique DualMEMS temperature sensing and TurboCompensation technology to provide resistance to airflow, thermal gradients, shock, and vibration.