SIT3372AC-4B9-25NU80.000000

Oscillators Overview

The SiTime SIT3372AC-4B9-25NU80.000000 is a MEMS VCXO operating at 80 MHz with HCSL output format. It features ±35 ppm frequency stability and operates on a 2.5 V supply. The device utilizes DualMEMS temperature sensing and TurboCompensation technology for dynamic performance against thermal gradients, shock, and vibration. Integrated on-chip regulators filter power supply noise, eliminating the need for external LDOs. It supports factory programming for specific frequency, stability, voltage, and pull range combinations.

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 selecting specific combinations of frequency, stability, voltage, and pull range.

Oscillators Applications

• Telecommunications systems requiring precise clocking
• Networking equipment demanding low-jitter differential signals
• Industrial applications operating in noisy environments

Oscillators Procurement Notes

Verify the exact part number suffix against official SiTime documentation to ensure correct output signaling (HCSL), voltage (2.5V), and stability specifications. Confirm that the requested configuration matches the factory-programmed parameters, as these devices are customized during manufacturing. Cross-reference the package type and lead frame material if mechanical constraints are critical to the design.

Oscillators Selection Notes

Select this component when a differential VCXO with HCSL outputs is required for 80 MHz applications. It is suitable for designs needing immunity to environmental hazards like vibration and EMI without external filtering components. Consider the integrated regulation benefits for simplified power architectures compared to traditional quartz solutions requiring additional discrete parts.

Oscillators Part Context

This model belongs to the SiT3372 Elite Platform series, designed for ultra-low jitter differential VCXO applications. The platform supports frequencies from 1 MHz to 220 MHz and offers multiple output types including LVPECL, LVDS, and HCSL. It replaces custom quartz oscillators by providing immediate availability and programmable flexibility for various timing requirements.

Oscillators Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Designers should consult SiTime directly for cross-referencing or equivalent alternatives within the Elite Platform family.

Oscillators FAQ

Does the SIT3372AC-4B9-25NU80.000000 require an external LDO?

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

What technology ensures dynamic performance against environmental hazards?

The device utilizes SiTime’s unique DualMEMS temperature sensing and TurboCompensation technology to resist airflow, thermal gradients, shock, and vibration.