SIT3372AC-4B2-25NC173.370750

Oscillators Overview

The SiTime SIT3372AC-4B2-25NC173.370750 is a differential MEMS Voltage-Controlled Crystal Oscillator (VCXO) operating at a nominal frequency of 173.37075 MHz. It features an HCSL output format and operates on a 2.5V supply voltage. The device provides a frequency stability of ±25 ppm and functions within a temperature range of -20°C to +70°C. Packaged in a 6-SMD, No Lead configuration measuring 5.00mm x 7.00mm with a maximum height of 1.00mm, it utilizes DualMEMS technology for enhanced dynamic performance.

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 demanding low-jitter signals
• Industrial applications operating in noisy environments

Oscillators Procurement Notes

Verify the exact part number against manufacturer documentation to ensure compatibility with system requirements. Confirm that the HCSL output format and 2.5V supply voltage align with the target circuit design. Check the operating temperature range specifications to ensure suitability for the intended environmental conditions. Validate the package dimensions and pinout against the PCB footprint before integration.

Oscillators Selection Notes

Select this component when a differential VCXO with HCSL outputs is required for frequencies around 173 MHz. Consider its MEMS-based construction for superior resilience against mechanical stress compared to quartz alternatives. Ensure the design accommodates the integrated on-chip regulation capabilities. Verify that the ±25 ppm stability meets the system's jitter and phase noise constraints.

Oscillators Part Context

This model belongs to the SiT3372 Elite Platform series, designed for ultra-low jitter applications across a 1 MHz to 220 MHz range. It represents a shift from traditional quartz oscillators by offering factory programmability and reduced lead times. The platform emphasizes dynamic performance through advanced compensation technologies suitable for demanding timing applications.

Oscillators Replacement Considerations

Direct substitutes are not explicitly listed in public documentation. Designers should evaluate other SiT3372 variants with matching frequency and output types or consult SiTime for cross-reference recommendations based on specific electrical parameter requirements.