SIT3372AI-4E2-28NE14.400000

Oscillators Overview

The SiTime SIT3372AI-4E2-28NE14.400000 is a differential MEMS Voltage-Controlled Crystal Oscillator (VCXO) operating at a nominal frequency of 14.4 MHz. It utilizes HCSL output signaling with a 2.8V supply voltage and features a 6-SMD, no lead exposed pad package. The device supports a control voltage range of 0.3 V to 2.7 V, providing an 80 ppm pull range. It exhibits a frequency stability of 25% and operates within a temperature range of -40 °C to 85 °C.

Oscillators Feature Summary

• Integrates DualMEMS temperature sensing and TurboCompensation technology for resistance to airflow, thermal gradients, shock, and vibration.
• Includes multiple on-chip regulators to filter power supply noise, eliminating the need for dedicated external LDOs.
• 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 thermally variable environments

Oscillators Procurement Notes

Verify the complete part number against official SiTime documentation to ensure correct configuration of output type, voltage, and frequency. Confirm that the specific suffix matches the required HCSL signaling and 2.8V operation parameters. Cross-reference the package style and pinout with the target PCB footprint to guarantee mechanical compatibility during assembly and reflow processes.

Oscillators Selection Notes

Select this component when designing circuits requiring a programmable VCXO with differential HCSL outputs. It is suitable for applications needing immunity to environmental stressors like vibration and thermal shifts. Consider its integrated power regulation capabilities if minimizing external component count is a priority. Ensure the 80 ppm pull range meets the system's frequency adjustment requirements.

Oscillators Part Context

This model belongs to the SiT3372 family of ultra-low jitter differential MEMS VCXOs from SiTime. The series covers frequencies from 1 MHz to 220 MHz and offers various output signaling options including LVPECL and HCSL. These devices are engineered to replace quartz oscillators in high-performance timing applications, offering superior dynamic performance and configurability.

Oscillators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.