SIT3372AI-1E9-30NU70.656000

Oscillators Overview

The SIT3372AI-1E9-30NU70.656000 is a differential MEMS Voltage-Controlled Crystal Oscillator (VCXO) operating at 70.656 MHz. It utilizes LVPECL output signaling and functions on a 3V supply voltage. The device features a frequency stability of ±35 ppm and operates within a temperature range of -40°C to +85°C. It draws 92mA of current and is housed in a compact 6-SMD, No Lead Exposed Pad package.

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 external LDOs.
• Factory programmable for specific combinations of frequency, stability, voltage, output signaling, and pull range.

Oscillators Applications

• Telecommunications infrastructure
• Networking equipment
• Industrial applications requiring noisy environment operation

Oscillators Procurement Notes

Verify that the ordering suffix corresponds to the required output interface and voltage level. Confirm the specific frequency tolerance and pull range match the system design requirements. Ensure the exposed pad package type aligns with the PCB footprint specifications before finalizing procurement.

Oscillators Selection Notes

Select this component when low jitter and dynamic stability are critical in environments subject to mechanical stress or rapid temperature changes. The integrated noise filtering simplifies power design by removing external regulator dependencies. Factory programming allows optimization of clock configurations without custom quartz manufacturing delays.

Oscillators Part Context

This part belongs to the SiT3372 series of ultra-low jitter differential MEMS VCXOs. The series covers frequencies from 1 MHz to 220 MHz. It is designed to replace traditional quartz devices, offering superior reliability and shorter lead times through its programmable architecture.

Oscillators Replacement Considerations

Public confirmed substitute part numbers are not provided in the available documentation. Designers should verify pinout compatibility and electrical parameters if considering alternative MEMS oscillators.

Oscillators FAQ

Does the SIT3372 require an external Low-Dropout Regulator (LDO)?

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

What technology enables the SiT3372's resistance to environmental stress?

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