SIT3372AC-4E9-30NB148.425787

Oscillators Overview

The SiTime SIT3372AC-4E9-30NB148.425787 is a differential MEMS VCXO operating at 148.425787 MHz with ±30 ppm frequency stability. It supports LVPECL output signaling and functions within a 2.7 V to 3.3 V supply range. The device operates across a -20°C to +70°C temperature range in a 7 mm x 5 mm surface-mount package.

Oscillators Feature Summary

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

Oscillators Applications

• Telecommunications equipment requiring low-jitter clocking
• Networking infrastructure components
• Industrial applications operating in noisy environments

Oscillators Procurement Notes

Verify the exact suffix configuration against official SiTime documentation to confirm output type and electrical parameters. Ensure environmental ratings match system requirements. Cross-reference part numbers with authorized distributors to avoid counterfeit components. Confirm tape and reel specifications for automated assembly processes.

Oscillators Selection Notes

Select this component when precise phase noise and jitter performance are critical alongside environmental resilience. The integrated regulation simplifies PCB layout by removing external filtering requirements. Programmability allows optimization of clock configurations without custom quartz lead times.

Oscillators Part Context

This model belongs to the SiT3372 family of ultra-low jitter differential VCXOs. The series utilizes SiTime’s Elite Platform to deliver exceptional dynamic performance. It replaces traditional quartz devices by offering factory-programmable flexibility and superior resistance to mechanical stress and EMI.

Oscillators Replacement Considerations

Direct substitutes include other SiT3372 variants with matching frequencies and output types. Verify compatibility with existing pull ranges and supply voltages. Consult SiTime documentation for cross-referencing equivalent models with different stability or temperature grades.

Oscillators FAQ

Does this device require an external LDO?

No, the SiT3372 integrates multiple on-chip regulators to filter power supply noise, eliminating the need for a dedicated external LDO.

What technology provides its dynamic performance?

It utilizes SiTime’s unique DualMEMS temperature sensing and TurboCompensation technology to resist airflow, thermal gradients, shock, and vibration.