SIT3373AI-2B2-33NG256.000000

Oscillators Overview

The SiTime SIT3373AI-2B2-33NG256.000000 is a differential MEMS voltage-controlled oscillator (VCXO) operating at a frequency of 256 MHz. It utilizes LVDS output signaling and functions with a supply voltage of 3.3V. The device provides a frequency stability of ±25 ppm and features an absolute pull range of 0.1%. Packaged in a 6-SMD, No Lead configuration, it integrates on-chip regulators to filter power supply noise, eliminating the need for external LDOs.

Oscillators Feature Summary

• Utilizes DualMEMS temperature sensing and TurboCompensation technology for exceptional dynamic performance against thermal gradients, shock, and vibration.
• Integrates multiple on-chip regulators to filter power supply noise, removing the requirement for dedicated external low-dropout regulators.
• Offers factory programmability for specific combinations of frequency, stability, voltage, output signaling, and pull range.

Oscillators Applications

• Telecommunications systems requiring precise timing synchronization
• 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 type, stability, and pull range specifications. Confirm that the 6-SMD package aligns with board layout requirements. Check datasheet for reflow profile compliance during assembly. Ensure supply voltage matches the 3.3V requirement for proper operation.

Oscillators Selection Notes

Select this component when low jitter and resistance to environmental stressors are critical. Consider the LVDS output interface for differential signaling needs. Evaluate the ±25 ppm stability against system timing budgets. Verify that the 0.1% pull range meets frequency adjustment requirements for the specific application context.

Oscillators Part Context

This model belongs to the SiT3373 series of ultra-low jitter differential VCXOs from SiTime. The series covers frequencies from 220 MHz to 725 MHz, leveraging MEMS technology for superior reliability compared to traditional quartz oscillators. It is designed for high-performance applications where size, stability, and dynamic resilience are paramount.

Oscillators Replacement Considerations

Direct substitutes include other SiT3373 variants with different frequencies or output types, such as SIT3373AI-1B2-33NG256.000000 which offers LVPECL output. Cross-compatibility requires matching frequency, voltage, and package dimensions while verifying electrical parameter alignment.