SIT3372AI-1E9-25NB25.000000

Oscillators Overview

The SIT3372AI-1E9-25NB25.000000 is a MEMS Voltage-Controlled Crystal Oscillator (VCXO) from SiTime’s Elite Platform, operating at a nominal frequency of 25 MHz with LVPECL output signaling. It functions within a supply voltage range of 2.5V and draws a maximum current of 92mA. The device supports a pull range of ±60ppm and maintains a frequency stability of ±35ppm across an industrial temperature range of -40°C to +85°C. Packaged in a compact 6-SMD, No Lead exposed pad form factor measuring 7.00mm x 5.00mm, it integrates on-chip regulators for power noise filtering.

Oscillators Feature Summary

• Utilizes DualMEMS temperature sensing and TurboCompensation technology for resistance to airflow, thermal gradients, shock, and vibration.
• Integrates multiple on-chip regulators to filter power supply noise, eliminating the need for dedicated external LDOs.
• Factory programmable for specific combinations of frequency, stability, voltage, output signaling, and pull range.

Oscillators Applications

• Telecommunications systems requiring low-jitter clock signals
• Networking equipment demanding precise frequency control
• Industrial applications operating in noisy environments

Oscillators Procurement Notes

Verify the specific ordering suffix against the official SiTime datasheet to confirm that the electrical parameters, including output format, supply voltage, and frequency stability, match the design requirements. Ensure the package type corresponds to the required PCB footprint. Confirm RoHS compliance status if environmental regulations apply to the end product. Cross-reference the part number with authorized distributors to ensure authenticity and traceability.

Oscillators Selection Notes

Select this component when a differential VCXO with low jitter and high dynamic performance is required. It is suitable for designs needing immunity to environmental stressors like vibration and thermal changes. Consider its integrated power regulation capabilities if board space for external components is limited. Evaluate the programmability features to ensure the factory-set parameters align with the system's clock architecture without requiring custom quartz manufacturing.

Oscillators Part Context

This model belongs to the SiT3372 series, which features Ultra-low Jitter Differential VCXOs ranging from 1 MHz to 220 MHz. The series is engineered for applications requiring exceptional dynamic performance and reliability. The 'AI' designation typically indicates specific platform or feature set configurations within SiTime's portfolio, distinguishing it from other variants in terms of internal compensation or packaging options.

Oscillators Replacement Considerations

Direct replacements must be verified through SiTime's cross-reference tools or official distributor databases. Substitutes should match the 25 MHz frequency, LVPECL output, 2.5V supply, and 6-SMD package dimensions. Ensure any alternative device offers comparable pull range and stability specifications to maintain system timing integrity.

Oscillators FAQ

Does the SIT3372AI-1E9-25NB25.000000 require an external LDO?

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

What technology does this oscillator use for temperature compensation?

It utilizes SiTime’s unique DualMEMS temperature sensing and TurboCompensation technology to deliver exceptional dynamic performance against thermal gradients and environmental stress.