SIT3372AC-1B2-28NZ74.175820

Oscillators Overview

The SiTime SIT3372AC-1B2-28NZ74.175820 is a MEMS Voltage-Controlled Crystal Oscillator (VCXO) operating at a nominal frequency of 74.17582 MHz. It features LVPECL output signaling and operates on a 2.8V supply voltage within the 2.7V to 3.3V range. The device provides a frequency stability of ±25 ppm and utilizes a 6-SMD, No Lead package with dimensions of 7.00mm x 5.00mm. It supports an operating temperature range from -20°C to +70°C.

Oscillators Feature Summary

• Integrates DualMEMS temperature sensing and TurboCompensation technology for resistance to 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, and output signaling.

Oscillators Applications

• Telecommunications systems requiring precise clocking
• Networking equipment utilizing differential signaling
• Industrial applications in noisy environments

Oscillators Procurement Notes

Verify the exact ordering suffix against the manufacturer's official datasheet to ensure correct voltage, output format, and packaging specifications. Confirm that the 6-SMD no-lead package matches the target PCB footprint. Check for RoHS compliance status and lead-free soldering requirements before finalizing procurement orders.

Oscillators Selection Notes

Select this component when low jitter and high dynamic performance are required in space-constrained designs. The integrated noise filtering simplifies power design by removing external regulators. Ensure the application environment stays within the specified -20°C to +70°C operational range for guaranteed stability.

Oscillators Part Context

This part belongs to the SiT3372 Elite Platform series, designed for ultra-low jitter differential VCXO applications. It replaces traditional quartz oscillators by offering programmability and robustness against mechanical stress. The platform supports frequencies from 1 MHz to 220 MHz with various output formats.

Oscillators Replacement Considerations

Direct substitutes include other SiT3372 variants with matching 74.17582 MHz frequency and LVPECL outputs, such as SIT3372AC-1E2-28NZ74.175820T. Verify pin compatibility and electrical parameters before substitution.

Oscillators FAQ

Does this oscillator require an external Low Dropout Regulator (LDO)?

No, the SiT3372 integrates multiple on-chip regulators to filter power supply noise, eliminating the need for a dedicated external LDO.

What technology ensures the device's resistance to shock and vibration?

The device utilizes SiTime’s unique DualMEMS temperature sensing and TurboCompensation technology to deliver exceptional dynamic performance against airflow, thermal gradients, shock, and vibration.