SIT3372AI-1E2-28NE173.370750

Oscillators Overview

The SiTime SIT3372AI-1E2-28NE173.370750 is a differential MEMS Voltage-Controlled Crystal Oscillator (VCXO) operating at a nominal frequency of 173.37075 MHz. It utilizes LVPECL output signaling and requires a 2.8V supply voltage. The device features a frequency stability of ±25 ppm and an absolute pull range of ±170 ppm. Packaged in a 6-SMD, No Lead configuration with dimensions of 7.00mm x 5.00mm, it supports operation within a temperature range of -40°C to 85°C.

Oscillators Feature Summary

• Integrates DualMEMS temperature sensing and TurboCompensation technology for resistance to thermal gradients, shock, and vibration.
• Includes on-chip regulators to filter power supply noise, eliminating the need for external LDOs.
• Factory programmable for specific combinations of frequency, stability, voltage, and pull range.

Oscillators Applications

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

Oscillators Procurement Notes

Verify the complete part number against official SiTime documentation to ensure correct voltage, output type, and pull range specifications. Confirm that the 2.8V supply and LVPECL outputs match the system design requirements. Check for any specific manufacturing notes regarding reflow profiles or tape and reel dimensions before ordering.

Oscillators Selection Notes

Select this component when a differential VCXO with LVPECL outputs is required for frequencies around 173 MHz. Ensure the application environment involves potential thermal gradients or mechanical stress, as the MEMS architecture offers superior dynamic performance compared to quartz. Verify that the ±170 ppm pull range meets the system's tuning requirements.

Oscillators Part Context

The SIT3372 series represents SiTime’s Elite Platform MEMS VCXOs, designed for ultra-low jitter applications. This model falls within the 1 MHz to 220 MHz range, offering programmability that replaces custom quartz solutions. It addresses supply chain flexibility and customization costs associated with traditional oscillators.

Oscillators Replacement Considerations

No public confirmed substitute part numbers are available in the provided data. Direct replacement requires matching the specific 173.37075 MHz frequency, LVPECL output, 2.8V supply, and ±170 ppm pull range parameters.

Oscillators FAQ

Does the SIT3372AI require an external LDO?

No, the device integrates multiple on-chip regulators to filter power supply noise, eliminating the need for a dedicated external Low-Dropout Regulator.

What is the absolute pull range of this oscillator?

The absolute pull range (APR) for the SIT3372AI-1E2-28NE173.370750 is ±170 ppm.