SIT3372AC-2B3-25NY77.760000

Oscillators Overview

The SiTime SIT3372AC-2B3-25NY77.760000 is a differential MEMS VCXO operating at 77.76 MHz with ±25 ppm stability. It utilizes DualMEMS temperature sensing and TurboCompensation technology for dynamic performance against shock, vibration, and thermal gradients. The device features integrated on-chip regulators to filter power supply noise, eliminating the need for external LDOs. It supports LVDS output signaling and operates within a -20°C to +70°C temperature range. The oscillator is housed in a 3.2 mm x 2.5 mm SMD package.

Oscillators Feature Summary

• DualMEMS temperature sensing and TurboCompensation technology provide resistance to airflow, thermal gradients, shock, and vibration.
• Integrated on-chip regulators filter power supply noise, removing the requirement for dedicated external low-dropout regulators.
• Factory programmability allows optimization of clock configurations without long lead times or customization costs associated with quartz devices.

Oscillators Applications

• Telecommunications systems requiring precise timing synchronization
• Networking equipment demanding low-jitter differential clocks
• Industrial applications operating in noisy environments with shock and vibration

Oscillators Procurement Notes

Verify the specific ordering suffix matches the required voltage, frequency, and output format. Confirm that the AC grade corresponds to the necessary operating temperature range for your design. Ensure compatibility with the target PCB footprint and reflow profile specifications provided in the official datasheet before finalizing procurement.

Oscillators Selection Notes

Select this component when ultra-low jitter and high reliability are critical in harsh environments. The integrated noise filtering simplifies board layout by reducing external component count. Consider the factory-programmable nature to avoid custom quartz delays. Verify that the LVDS output interface aligns with the receiving device's input requirements.

Oscillators Part Context

This part belongs to the SiT3372 family of 1 MHz to 220 MHz differential MEMS VCXOs. It leverages SiTime’s Elite Platform technology to deliver exceptional dynamic performance. The series is designed to replace traditional quartz oscillators in applications requiring various pullable frequencies and robust operation in electrically noisy conditions.

Oscillators Replacement Considerations

Direct replacement requires matching the 77.76 MHz frequency, LVDS output, and 3.2x2.5 mm package. Verify that the new component supports the same ±25 ppm stability and -20°C to +70°C temperature range. Check pinout compatibility if substituting with other MEMS VCXO families.

Oscillators FAQ

Does the SiT3372 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 dynamic performance against environmental hazards?

SiTime’s unique DualMEMS temperature sensing and TurboCompensation technology provide resistance to airflow, thermal gradients, shock, and vibration.