SIT3372AC-1B3-25NC153.600000

Oscillators Overview

The SiTime SIT3372AC-1B3-25NC153.600000 is a differential MEMS Voltage-Controlled Crystal Oscillator (VCXO) operating at a nominal frequency of 153.6 MHz. It functions within a supply voltage range of 2.5 V to 3.08 V and utilizes LVPECL output signaling. The device features a 3.2 mm x 2.5 mm surface-mount package with a height of 0.85 mm. It supports a pull range of 10 MHz and maintains a frequency stability of 25 ppm across an operating temperature range of -20°C to +70°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, removing the need for external LDO components.
• Factory programmable for specific combinations of frequency, stability, voltage, output signaling, and pull range.

Oscillators Applications

• Telecommunications systems requiring low-jitter clock sources
• Networking equipment utilizing differential signaling
• Industrial applications operating in noisy environments

Oscillators Procurement Notes

Verify the specific suffix codes against the official SiTime datasheet to confirm electrical parameters such as voltage, output format, and temperature range. Ensure compatibility with reflow profiles and tape-and-reel dimensions specified in manufacturing notes. Confirm that the selected part number matches the required pull range and stability metrics for the target design.

Oscillators Selection Notes

Select this component when designing systems requiring precise frequency control via voltage tuning. The LVPECL output is suitable for high-speed digital interfaces. Consider the integrated noise filtering capabilities for environments with unstable power supplies. The MEMS construction offers advantages over quartz regarding shock and vibration resilience.

Oscillators Part Context

This model belongs to the SiT3372 family of ultra-low jitter differential VCXOs. The series covers frequencies from 1 MHz to 220 MHz. The AC variant indicates specific commercial temperature and stability grades. The part replaces custom quartz oscillators by offering programmability without long lead times or customization costs.

Oscillators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Direct replacement requires matching the exact pinout, voltage levels, and output signal type. Verify thermal compensation characteristics if substituting with other MEMS or quartz VCXOs.