SIT3372AI-4E3-30NZ74.175820

Oscillators Overview

The SIT3372AI-4E3-30NZ74.175820 is a differential MEMS Voltage-Controlled Crystal Oscillator (VCXO) manufactured by SiTime. It operates at a nominal frequency of 74.17582 MHz with an HCSL output signaling format. The device functions within a supply voltage range of 3V and utilizes a 6-SMD, No Lead Exposed Pad package. This component is engineered for low-jitter applications, leveraging DualMEMS temperature sensing and TurboCompensation technology to ensure stability against thermal gradients, shock, and vibration.

Oscillators Feature Summary

• Integrates DualMEMS temperature sensing and TurboCompensation technology for dynamic performance resistance to environmental stressors.
• Features multiple on-chip regulators to filter power supply noise, removing the requirement for external LDO components.
• Factory programmable for specific combinations of frequency, stability, voltage, output signaling, and pull range.

Oscillators Applications

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

Oscillators Procurement Notes

Verify the exact part number suffix to confirm the specific output format, voltage level, and frequency tolerance required for the design. Ensure the selected variant matches the system's power supply constraints and interface compatibility. Cross-reference the manufacturing notes for proper reflow profile and tape and reel dimensions to guarantee correct assembly and handling procedures during production.

Oscillators Selection Notes

Choose this component when designing systems that require high stability under mechanical stress or rapid thermal changes. The integrated regulation simplifies the power architecture by eliminating external linear regulators. Consider the factory programmability to optimize clock configurations without custom quartz manufacturing delays, ensuring faster time-to-market for specialized frequency requirements.

Oscillators Part Context

This model belongs to the SiT3372 family of ultra-low jitter differential MEMS VCXOs. The series supports frequencies from 1 MHz to 220 MHz and is designed for telecom, networking, and industrial sectors. The AI suffix indicates specific configuration options within the broader product line, which offers extensive configurability through the SiTimeDirect platform for diverse timing needs.

Oscillators Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Designers should verify compatibility with existing circuit layouts and signal integrity requirements before considering alternative MEMS oscillators from other manufacturers.

Oscillators FAQ

Does the SIT3372AI-4E3-30NZ74.175820 require an external LDO?

No, the device integrates multiple on-chip regulators to filter power supply noise, eliminating the need for a dedicated external Low Dropout (LDO) regulator.

What technology ensures the device's resistance to shock and vibration?

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