SIT3372AI-1B3-33NX163.840000

Oscillators Overview

The SiTime SIT3372AI-1B3-33NX163.840000 is a differential MEMS Voltage-Controlled Crystal Oscillator (VCXO) operating at a nominal frequency of 163.84 MHz. It utilizes DualMEMS temperature sensing and TurboCompensation technology to deliver low-jitter performance with resistance to thermal gradients, shock, and vibration. The device operates on a 3.3V supply and features an LVPECL output signaling format. It is housed in a compact 6-SMD, No Lead package measuring 3.20mm x 2.50mm. The unit supports a wide absolute pull range and includes integrated on-chip regulators to filter power supply noise.

Oscillators Feature Summary

• Integrates DualMEMS temperature sensing and TurboCompensation technology for dynamic stability against environmental stressors.
• Features factory-programmable architecture allowing customization of frequency, stability, voltage, and pull range.
• Includes multiple on-chip regulators to filter power supply noise, eliminating the need for external LDOs.

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 that the specific suffix codes match the required electrical parameters, including the 3.3V supply voltage, LVPECL output type, and 163.84 MHz frequency. Confirm the package dimensions and lead-free status align with PCB layout requirements. Ensure the ordering code corresponds to the correct tape and reel quantity if bulk procurement is intended. Cross-reference the manufacturer's latest datasheet for any updates to the manufacturing notes or reflow profiles.

Oscillators Selection Notes

Select this component when a differential VCXO with high immunity to mechanical shock and thermal gradients is required. The programmability allows for optimization of clock configurations without custom quartz costs. Consider the LVPECL output interface compatibility with downstream logic. The integrated noise filtering simplifies board design by removing the need for dedicated external linear regulators.

Oscillators Part Context

This part belongs to the SiT3372 Elite Platform series, designed for ultra-low jitter timing applications. The AI suffix indicates specific configuration options within the SiTime programmable family. It replaces traditional quartz VCXOs in telecom and networking sectors where size, weight, and robustness are critical constraints.

Oscillators Replacement Considerations

Direct pin-to-pin replacements may include other SiTime SiT3372 variants with different frequencies or voltages. Verify that substitute parts maintain the LVPECL output and 3.3V supply requirements. Check for equivalent pull ranges and stability specifications to ensure functional parity in the target circuit.