SIT3372AI-1B3-30NZ148.500000

Oscillators Overview

The SiTime SIT3372AI-1B3-30NZ148.500000 is a differential MEMS Voltage-Controlled Crystal Oscillator (VCXO) engineered for low-jitter applications. It operates at a nominal frequency of 148.5 MHz with a frequency stability of ±50 ppm. The device utilizes LVPECL output signaling and functions within a supply voltage range of 2.7 V to 3.6 V, typically powered at 3.3 V. Packaged in a compact 6-SMD, No Lead form factor measuring 3.2 mm x 2.5 mm, it integrates on-chip regulators to filter power supply noise.

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 precise clocking
• Networking equipment demanding low jitter performance
• Industrial applications operating in noisy environments

Oscillators Procurement Notes

Verify the complete part number against official SiTime documentation to ensure correct configuration parameters. Confirm that the ordering suffix matches the required frequency, stability, voltage, and output type specifications for your design. Cross-reference the package dimensions and reflow profile requirements with the manufacturing notes provided in the datasheet to guarantee compatibility with your assembly process.

Oscillators Selection Notes

Select this component when designing systems that require high dynamic performance under varying environmental conditions. The integrated noise filtering simplifies power architecture by removing external LDO requirements. Consider the factory programmability for optimizing clock configurations without custom quartz costs. Ensure the LVPECL output interface aligns with the receiving device's input requirements.

Oscillators Part Context

This model belongs to the SiT3372 family of ultra-low jitter differential MEMS VCXOs. The series supports frequencies from 1 MHz to 220 MHz and offers extensive programmability. The AI suffix indicates specific configuration options within the product line, designed to replace traditional quartz devices while providing superior resilience to mechanical stress and thermal changes.

Oscillators Replacement Considerations

Direct replacement requires matching the 148.5 MHz frequency, ±50 ppm stability, LVPECL output, and 3.2x2.5 mm package. Verify pinout compatibility and electrical characteristics with the original quartz oscillator. Consult SiTime’s substitution guide for validated alternatives if exact specifications are unavailable.