SIT3372AC-4B2-30NU148.350000

Oscillators Overview

The SiTime SIT3372AC-4B2-30NU148.350000 is a differential MEMS Voltage-Controlled Crystal Oscillator (VCXO) operating at a nominal frequency of 148.35 MHz. It utilizes DualMEMS temperature sensing and TurboCompensation technology to deliver ultra-low jitter performance with resistance to airflow, thermal gradients, shock, and vibration. The device operates within a supply voltage range of 2.97 V to 3.63 V and features integrated on-chip regulators to filter power supply noise, eliminating the need for external LDOs. It is housed in a compact surface-mount package suitable for demanding environments.

Oscillators Feature Summary

• Integrates DualMEMS temperature sensing and TurboCompensation technology for exceptional dynamic stability against environmental stressors such as thermal gradients, shock, and vibration.
• Features multiple on-chip regulators that filter power supply noise, removing the requirement for dedicated external low-dropout regulators.
• Factory programmable 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 needing low-jitter differential clocks
• Industrial applications operating in noisy or variable thermal environments

Oscillators Procurement Notes

Verify the complete part number including suffixes to ensure correct output format and voltage specifications. Confirm availability through authorized distributors as stock levels vary. Check datasheet for reflow profile requirements during assembly. Ensure design compatibility with the specified 3.3V nominal supply and LVCMOS/LVPECL/HCSL output options defined by the model code.

Oscillators Selection Notes

Select this component when low jitter and high stability are critical in electrically noisy or mechanically harsh environments. The integrated regulation simplifies board layout by reducing component count. Consider the factory-programmable nature for custom frequency and pull range requirements, which avoids long lead times associated with custom quartz solutions.

Oscillators Part Context

This part belongs to the SiT3372 family of differential MEMS VCXOs from SiTime. The family covers a frequency range of 1 MHz to 220 MHz and is designed for applications requiring programmability and robustness against environmental factors. It serves as an alternative to traditional quartz oscillators where customization and rapid deployment are necessary.

Oscillators Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Direct replacement requires matching the specific frequency, output format, and voltage parameters of the original design.

Oscillators FAQ

Does the SiT3372AC-4B2-30NU148.350000 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 SiT3372's resistance to thermal gradients and vibration?

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