SIT3372AI-4B3-25NX184.320000

Oscillators Overview

The SiTime SIT3372AI-4B3-25NX184.320000 is a differential MEMS VCXO operating at 184.32 MHz with HCSL output signaling. It functions within a 2.5 V supply range and offers ±50 ppm frequency stability across the -40°C to +85°C industrial temperature window. Packaged in a compact 3.2 mm x 2.5 mm surface-mount footprint, this device integrates on-chip regulators to filter power supply noise without requiring external LDOs. Engineered for low-jitter applications, it utilizes DualMEMS technology to resist environmental hazards such as shock, vibration, and thermal gradients.

Oscillators Feature Summary

• Integrates multiple on-chip regulators to filter power supply noise, eliminating the need for dedicated external LDOs
• Utilizes DualMEMS temperature sensing and TurboCompensation technology for exceptional dynamic performance against airflow and thermal gradients
• Factory programmable for specific combinations of frequency, stability, voltage, output signaling, and pull range

Oscillators Applications

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

Oscillators Procurement Notes

Verify the complete part number including suffixes to ensure correct output format, voltage, and stability specifications. Confirm that the required pull range and frequency stability match the design requirements. Check RoHS compliance status if restricted substances are a concern. Ensure the package dimensions align with the PCB layout constraints. Validate the operating temperature range against the intended application environment.

Oscillators Selection Notes

Select this component when a differential VCXO with HCSL outputs is required at 184.32 MHz. The 2.5 V supply option suits low-power designs. The ±50 ppm stability provides adequate precision for many networking standards. Consider the integrated noise filtering benefits over quartz alternatives. Evaluate the mechanical robustness provided by MEMS technology for harsh environments.

Oscillators Part Context

This model belongs to the SiT3372 family of ultra-low jitter differential VCXOs. The series supports frequencies from 1 MHz to 220 MHz and various output types including LVPECL, LVDS, and HCSL. The Elite Platform enables high linearity and resistance to environmental stressors. Other variants differ in voltage, stability, and package size.

Oscillators Replacement Considerations

Direct substitutes include other SiT3372 variants with matching 184.32 MHz frequency and HCSL output. Verify compatibility regarding supply voltage and stability specifications. Cross-reference pinouts and package dimensions to ensure mechanical fit. Consult official substitution guides for electrically equivalent parts.