LFTCXO063777

Overview

The LFTCXO063777 is a Temperature Compensated Crystal Oscillator (TCXO) manufactured by IQD Frequency Products. It operates at a nominal frequency of 12.8 MHz with a frequency tolerance of ±0.50 ppm at 25°C and 3.3V supply. The unit provides high frequency stability of ±0.28 ppm across the industrial temperature range of -20.00°C to +70.00°C. Designed for surface mount applications, it utilizes an HCMOS output format and complies with RoHS standards.

Feature Summary

• Provides precise frequency compensation for stable clock signals across varying temperatures
• Delivers low phase noise characteristics suitable for sensitive timing circuits
• Features a compact surface-mount package design for automated assembly

Applications

• Telecommunications base station synchronization
• Industrial measurement instrumentation timing
• Medical device clock generation

Procurement Notes

Verify the specific suffix requirements against the official IQD datasheet to ensure correct packaging and voltage specifications. Confirm that the operating environment aligns with the specified temperature range and load capacitance parameters before finalizing the order.

Selection Notes

Select this component when a fixed 12.8 MHz reference with high short-term stability is required. Ensure the host circuit supports the HCMOS output swing and current drive capabilities. Validate that the thermal management strategy accommodates the self-heating effects within the specified operational envelope.

Part Context

This TCXO belongs to the LF series from IQD Frequency Products, designed for applications demanding superior frequency accuracy compared to standard crystal oscillators. It integrates internal compensation networks to mitigate environmental frequency drift, serving as a critical timing reference in systems where signal integrity is paramount.

Replacement Considerations

Cross-reference with other IQD LF-series variants or equivalent industry-standard 12.8 MHz TCXOs. Verify pinout compatibility and output waveform specifications to ensure seamless integration without circuit redesign.

FAQ

What is the frequency stability specification over the operating temperature range?

The frequency stability is specified as ±0.28 ppm across the temperature range of -20.00°C to +70.00°C.

Does the LFTCXO063777 support mechanical frequency adjustment?

No, the device does not support mechanical frequency adjustment; it relies on internal temperature compensation.