SIT3373AC-4E2-28NG432.000000

Oscillators Overview

The SiTime SIT3373AC-4E2-28NG432.000000 is a differential MEMS voltage-controlled oscillator (VCXO) operating at a fixed frequency of 432 MHz. It utilizes HCSL output signaling and functions with a supply voltage of 2.8 V. The device features a frequency stability of ±25 ppm and is housed in a compact 6-SMD, No Lead Exposed Pad package.

Oscillators Feature Summary

• Integrates multiple on-chip regulators to filter power supply noise, eliminating the need for dedicated external LDOs.
• Delivers exceptional dynamic performance by providing resistance to airflow, thermal gradients, shock, and vibration.
• Utilizes DualMEMS temperature sensing and TurboCompensation technology for low-jitter applications.

Oscillators Applications

• Telecommunications systems requiring precise clocking
• Networking equipment demanding low jitter
• Industrial applications operating in noisy environments

Oscillators Procurement Notes

Verify that the specific ordering suffix matches the required output type, voltage, and stability specifications. Confirm the package dimensions align with the PCB footprint design. Ensure the reflow profile adheres to the manufacturer's manufacturing notes to maintain component integrity during assembly.

Oscillators Selection Notes

Select this model when a fixed 432 MHz frequency is required alongside HCSL output compatibility. Consider the integrated regulation benefits if board space for external LDOs is limited. Evaluate the MEMS durability advantages over quartz alternatives for harsh physical environments.

Oscillators Part Context

This component belongs to the SiT3373 family of ultra-low jitter differential MEMS VCXOs. The series supports frequencies from 220 MHz to 725 MHz and offers factory-programmable combinations of frequency, stability, voltage, and pull range to optimize clock configurations.

Oscillators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify cross-compatibility with other SiTime VCXO models based on specific electrical and mechanical requirements before substitution.

Oscillators FAQ

Does the SiT3373 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 ensures the device's dynamic performance?

The SiT3373 utilizes SiTime’s unique DualMEMS temperature sensing and TurboCompensation technology to deliver resistance to environmental stressors.