SIT3372AC-1B9-30NZ76.800000

Oscillators Overview

The SiTime SIT3372AC-1B9-30NZ76.800000 is a MEMS Voltage-Controlled Crystal Oscillator (VCXO) operating at a nominal frequency of 76.8 MHz. It features LVPECL output signaling and operates on a 3V supply voltage with a maximum current consumption of 92mA. The device provides a frequency stability of ±35ppm and an absolute pull range of ±3170ppm. It is housed in a compact 6-SMD, No Lead package measuring 7.00mm x 5.00mm x 0.90mm. The component supports an industrial operating temperature range from -20°C to +70°C.

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, eliminating 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 needing low-jitter differential signals
• Industrial applications operating in noisy environments

Oscillators Procurement Notes

Verify the exact part number against the manufacturer's official datasheet to ensure compatibility with system requirements. Confirm that the LVPECL output type and 3V 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 layout prior to integration.

Oscillators Selection Notes

Select this component when a differential VCXO with high dynamic performance and immunity to environmental stressors is required. The integrated noise filtering simplifies power supply design by removing the need for separate LDOs. Consider the factory programmability for custom frequency and stability needs, which avoids the lead times associated with custom quartz solutions. Ensure the application benefits from the wide pull range and LVPECL interface capabilities.

Oscillators Part Context

This model belongs to the SiT3372 Elite Platform series, designed for ultra-low jitter applications across a frequency range of 1 MHz to 220 MHz. The series utilizes silicon MEMS technology to replace traditional quartz oscillators, offering superior resilience to mechanical shock and vibration. The platform supports various output formats and supply voltages, providing designers with flexibility for diverse clocking architectures in demanding electronic systems.

Oscillators FAQ

Does the SIT3372AC-1B9-30NZ76.800000 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 (LDO).

What technology does the SiT3372 use to handle thermal gradients?

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