SIT3372AC-4E3-30NC133.650000

Oscillators Overview

The SiTime SIT3372AC-4E3-30NC133.650000 is a MEMS Voltage-Controlled Crystal Oscillator (VCXO) operating at a nominal frequency of 133.65 MHz. It features HCSL output signaling and operates on a 3V supply voltage. The device utilizes a 6-SMD, No Lead Exposed Pad package with dimensions of 7.00mm x 5.00mm. It supports an absolute pull range of ±3170ppm and maintains a frequency stability of ±50ppm over the operating temperature range of -20°C to +70°C. Maximum supply current is 92mA.

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, output signaling, and pull range.

Oscillators Applications

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

Oscillators Procurement Notes

Verify the exact output format and pull range specifications against the manufacturer's datasheet before integration. Confirm that the 6-SMD exposed pad package footprint matches the target PCB layout. Ensure the 3V supply voltage aligns with system power rails. Check RoHS compliance status if required by project regulations. Validate the operating temperature range against environmental conditions.

Oscillators Selection Notes

Select this component when a differential VCXO with HCSL outputs is required at 133.65 MHz. It is suitable for designs needing high immunity to mechanical stress and thermal variations due to MEMS technology. Consider the integrated power regulation benefits for simplified board design. Evaluate the ±50ppm stability requirement against system timing budgets. Compare package size constraints with available PCB real estate.

Oscillators Part Context

This part belongs to the SiT3372 Elite Platform series, which offers ultra-low jitter differential MEMS VCXOs ranging from 1 MHz to 220 MHz. The platform emphasizes programmability to replace custom quartz oscillators, reducing lead times and customization costs. It is designed for applications requiring various pullable frequencies and robust performance in challenging environments.

Oscillators Replacement Considerations

Direct substitutes within the SiT3372 family include SIT3372AC-4E3-30NZ133.650000 and SIT3372AC-4E3-30NG90.000000, though output formats or frequencies may differ. Verify pinout compatibility and electrical parameters before swapping. Cross-reference with other SiTime VCXO models if package or signal requirements change.