SIT3372AI-2B2-33NG35.437431

Oscillators Overview

The SiTime SIT3372AI-2B2-33NG35.437431 is a MEMS VCXO oscillator operating at 35.437431 MHz with LVDS differential output signaling. It functions within a 3.3V supply voltage range and utilizes a 6-SMD, No Lead package measuring 3.20mm x 2.50mm. The device features a frequency stability of ±50ppm and an absolute pull range of ±95ppm. Operating temperatures span from -20°C to 70°C, with a maximum supply current of 92mA.

Oscillators Feature Summary

• Integrates DualMEMS temperature sensing and TurboCompensation technology for resistance to thermal gradients, shock, and vibration.
• Includes on-chip regulators to filter power supply noise, removing the need for external LDOs.
• Factory programmed for specific frequency, stability, voltage, and pull range configurations.

Oscillators Applications

• Telecommunications systems requiring low-jitter clock signals
• Networking equipment utilizing various pullable frequencies
• Industrial applications operating in noisy environments

Oscillators Procurement Notes

Verify the exact part number against official SiTime documentation to confirm pinout compatibility and electrical specifications. Ensure the ordering suffix matches the required output signaling and voltage levels. Cross-reference the package dimensions with PCB footprint requirements. Confirm that the specified frequency and pull range align with system design constraints before finalizing procurement orders.

Oscillators Selection Notes

Select this component when differential LVDS outputs are required for high-speed data transmission. Consider the ±95ppm pull range if frequency tuning capabilities are necessary. Evaluate the -20°C to 70°C operating range against environmental conditions. The integrated noise filtering simplifies power supply design compared to quartz alternatives.

Oscillators Part Context

This model belongs to the SiT3372 Elite Platform family of ultra-low jitter differential MEMS VCXOs. The series supports frequencies from 1 MHz to 220 MHz. The AI suffix indicates specific packaging or configuration variants within the broader product line designed for programmability and dynamic performance.

Oscillators Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Direct replacement requires matching the specific LVDS output type, 35.437431 MHz frequency, and 3.3V supply requirements.

Oscillators FAQ

Does the SIT3372AI require an external LDO?

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

What is the absolute pull range of this oscillator?

The absolute pull range (APR) is ±95ppm.