SIT3372AC-1B9-30NH161.132810

Oscillators Overview

The SiT3372AC-1B9-30NH161.132810 is a differential MEMS Voltage-Controlled Crystal Oscillator (VCXO) operating at 161.13281 MHz. It features LVPECL output signaling and operates on a 3.0V supply voltage within a 3.2mm x 2.5mm SMD package. The device provides a frequency stability of ±35 ppm and an Absolute Pull Range (APR) of ±110 ppm. It functions across a temperature range of -40°C to +85°C, utilizing DualMEMS technology for enhanced dynamic performance against thermal gradients and vibration.

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

Oscillators Applications

• Telecommunications systems requiring precise clocking
• Networking equipment with noisy environment constraints
• Industrial applications demanding robust timing solutions

Oscillators Procurement Notes

Verify the exact part number against the manufacturer's current datasheet to confirm pinout compatibility and electrical specifications. Ensure that the LVPECL output format matches the receiving circuitry requirements. Confirm that the operating temperature range and supply voltage align with the system design parameters before finalizing procurement orders.

Oscillators Selection Notes

Select this component when low jitter and high immunity to environmental stressors are required. The integrated voltage control allows for frequency tuning within the specified pull range. Consider the small form factor and programmability benefits over traditional quartz devices for supply chain flexibility and design optimization.

Oscillators Part Context

This model belongs to the SiT3372 family of ultra-low jitter differential MEMS VCXOs. The series covers frequencies from 1 MHz to 220 MHz, designed to replace quartz oscillators in applications needing superior reliability and smaller footprints. The specific suffix indicates the voltage, output type, and frequency configuration.

Oscillators Replacement Considerations

Direct replacements must match the 161.13281 MHz frequency, LVPECL output, and 3.2x2.5mm package. Verify APR and stability specs against the original design requirements. Cross-reference with other SiTime VCXO models if pinout or voltage differences exist.