SIT3372AC-4E9-25NX61.440000

Oscillators Overview

The SiTime SIT3372AC-4E9-25NX61.440000 is a differential MEMS VCXO operating at 61.44 MHz with ±25 ppm frequency stability. It utilizes DualMEMS temperature sensing and TurboCompensation technology for dynamic performance against thermal gradients, shock, and vibration. The device features integrated on-chip regulators to filter power supply noise, eliminating the need for external LDOs. It supports LVPECL output signaling and operates within a -20°C to +70°C temperature range. The component is housed in a 7 mm x 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 by customizing frequency, stability, voltage, and pull range.

Oscillators Applications

• Telecommunications infrastructure requiring precise timing signals
• Networking equipment demanding low-jitter differential clocks
• Industrial applications operating in noisy or harsh environments

Oscillators Procurement Notes

Verify the specific ordering suffix to ensure compatibility with required output format, voltage, and stability specifications. Confirm that the selected variant matches the intended application's environmental temperature range and mechanical footprint requirements. Cross-reference the part number with official manufacturer documentation to validate factory programming parameters before integration into design systems.

Oscillators Selection Notes

Select this component when ultra-low jitter and high linearity are critical for system performance. The integrated noise filtering capabilities make it suitable for power-sensitive designs without external regulation components. Ensure the chosen model aligns with the necessary absolute pull range options and output signaling standards required by the target circuit architecture.

Oscillators Part Context

This part belongs to the SiT3372 family of differential MEMS VCXOs engineered for low-jitter applications. The Elite Platform enables exceptional dynamic performance with phase noise consistency across environmental hazards. Unlike traditional quartz devices, these oscillators offer programmability to eliminate long lead times and customization costs associated with custom-built frequencies.

Oscillators Replacement Considerations

Direct substitutes include other SiT3372 variants with matching 61.44 MHz frequency and LVPECL output, such as SIT3372AC-1E2-25NX61.440000 or SIT3372AI-4E9-25NX61.440000, provided stability and temperature ranges are compatible. Verify pinout and package dimensions remain identical to ensure seamless PCB replacement.