SIT3372AC-4B2-30NY125.000000

Oscillators Overview

The SiTime SIT3372AC-4B2-30NY125.000000 is a differential MEMS Voltage Controlled Crystal Oscillator (VCXO) operating at a nominal frequency of 125 MHz. It features HCSL output signaling and operates within a supply voltage range of 2.7 V to 3.3 V, typically centered at 3.0 V. The device exhibits a frequency stability of 25 ppm and functions across an industrial temperature range from -20°C to +70°C. Packaged in a compact 6-pin surface-mount (SMD) no-lead form factor measuring 3.2 mm x 2.5 mm with a height of 0.85 mm, it is designed for low-jitter applications requiring resistance to environmental stressors.

Oscillators Feature Summary

• Utilizes DualMEMS temperature sensing and TurboCompensation technology for dynamic performance against airflow, thermal gradients, shock, and vibration.
• Integrates multiple on-chip regulators to filter power supply noise, eliminating the need for dedicated external Low-Dropout (LDO) regulators.
• Factory programmed for specific combinations of frequency, stability, voltage, output signaling, and pull range to optimize clock configurations.

Oscillators Applications

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

Oscillators Procurement Notes

Verify the exact part number suffix against the manufacturer's current datasheet to confirm output format and voltage specifications. Ensure compatibility with reflow profiles and tape/reel dimensions specified in manufacturing notes. Confirm availability through authorized distributors as stock levels may vary by region.

Oscillators Selection Notes

Select this component when a differential VCXO with HCSL outputs is required for 125 MHz applications. Consider its MEMS-based resilience to mechanical stress and thermal changes over quartz alternatives. Verify that the 25 ppm stability and 125 MHz frequency meet system timing requirements. Ensure the 3.0 V supply voltage aligns with the target circuit design.

Oscillators Part Context

The SiT3372 series comprises ultra-low jitter differential MEMS VCXOs covering a frequency range of 1 MHz to 220 MHz. This specific model represents a factory-programmed variant optimized for telecom and networking sectors. It replaces custom-built quartz devices, offering programmability that reduces lead times and customization costs while maintaining high performance in challenging environments.

Oscillators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult SiTime official resources for cross-reference data regarding equivalent MEMS VCXO models with matching frequency and output specifications.

Oscillators FAQ

Does the SiT3372 require an external LDO regulator?

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 SiT3372's resistance to environmental stress?

It utilizes SiTime’s unique DualMEMS temperature sensing and TurboCompensation technology to deliver exceptional dynamic performance against airflow, thermal gradients, shock, and vibration.