SIT3372AI-1E9-28NZ161.132810

Oscillators Overview

The SiTime SIT3372AI-1E9-28NZ161.132810 is a MEMS-based Voltage-Controlled Crystal Oscillator (VCXO) operating at a nominal frequency of 161.13281 MHz. It features LVPECL output signaling and requires a 2.8V supply voltage. The device utilizes DualMEMS temperature sensing and TurboCompensation technology for high stability and low jitter performance. It is housed in a 6-SMD, No Lead package with an exposed pad, measuring 7.00mm x 5.00mm. The component supports factory programming for specific frequency, stability, voltage, and pull range configurations.

Oscillators Feature Summary

• Integrates DualMEMS temperature sensing and TurboCompensation technology to resist 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 custom combinations of frequency, stability, voltage, output signaling, and pull range.

Oscillators Applications

• Telecommunications systems requiring precise clock generation
• Networking equipment demanding low-jitter differential signals
• Industrial applications operating in noisy or dynamic environments

Oscillators Procurement Notes

Verify the complete part number including suffixes to ensure correct frequency, voltage, and output type. Confirm that the specific model variant matches the required pull range and stability specifications for the target application. Check datasheet revisions for updated reflow profiles and packaging details before procurement.

Oscillators Selection Notes

Select this component when low jitter and high dynamic stability are critical. Ensure the design accommodates the 2.8V supply requirement and LVPECL interface. Consider the integrated regulation benefits if space for external filtering components is limited. Validate that the MEMS technology aligns with environmental stress requirements such as vibration and thermal cycling.

Oscillators Part Context

The SiT3372 series represents SiTime's Elite Platform VCXOs, designed to replace traditional quartz oscillators. These devices offer superior programmability and robustness against environmental factors. The AI suffix typically denotes specific package or pinout variations within the broader SiT3372 family, tailored for high-performance timing applications.

Oscillators Replacement Considerations

Direct replacements must match the 161.13281 MHz frequency, LVPECL output, and 2.8V operation. Verify compatibility with existing PCB footprints and thermal management strategies. Cross-reference with other SiT3372 variants or competitor MEMS VCXOs ensuring identical electrical parameters and mechanical dimensions.