LP221F35IET

Crystal oscillators are a category of timekeeping devices that take advantage of a physical phenomenon called the piezoelectric effect, in which applying a voltage to a quartz crystal produces a mechanical vibration. By measuring the resonant frequency at which this vibration reliably occurs as the crystal oscillates, crystals can be used as highly accurate, stable frequency references that keep time in a wide range of applications. The LP221F35IET crystal is designed to offer an optimal combination of high frequency stability and low frequency drift, making it suitable for use in systems requiring reliable, precision timing.

LP221F35IET Application Field

The LP221F35IET crystal is designed for use in a variety of timing applications, including communication networks, data transmission systems, embedded systems, and consumer electronics. It has a frequency range of 1.2-26MHz, a frequency stability of +/-50 ppm and a frequency tolerance of 0.5 ppm. These performance characteristics make it well-suited for demanding applications that require stable timing signals without significant frequency drift over time.

Additionally, the LP221F35IET is designed for use in a wide temperature range of -20℃ to 60℃, which makes it suitable for use in harsh conditions. Moreover, it features a super low phase noise performance of -170 dBc/Hz, making it well-suited for high-precision, low-noise signal applications. The device also offers excellent electro-magnetic compatibility (EMC) characteristics, making it suitable for use in systems that require low levels of EMI/RFI.

LP221F35IET Working Principle

The LP221F35IET crystal oscillator works by exploiting the piezoelectric effect, in which applying a voltage to a quartz crystal causes mechanical deformation and produces an oscillating signal. This oscillating signal is driven by a resonance frequency, which is the frequency at which the crystal predictably vibrates. By accurately measuring this frequency and matching it to the application’s requirements, the LP221F35IET can be used to generate precise timing signals used in various systems and applications.

The LP221F35IET is designed to provide highly stable timing signals by utilizing a variety of technologies, including temperature compensation, quasi-static aged compensation, and low noise output frequency reverse aging compensation. These technologies make the LP221F35IET suitable for use in precision applications because they reduce the effect of environmental disturbances on the overall frequency stability and accuracy of the crystal. In addition, the LP221F35IET has internal load capacitance sensing, which can improve the performance of the crystal by adjusting the load capacitance based on the system’s specific needs.

Conclusion

The LP221F35IET crystal oscillator is designed for use in a variety of timing applications that require highly precise, reliable, and stable timekeeping signals. It is well-suited for use in communication networks, embedded systems, and data transmission systems, and it offers excellent performance characteristics, including low frequency drift, low phase noise, and good EMC performance. Through the use of advanced technologies such as temperature compensation, quasi-static aging compensation, and low noise output frequency reverse aging compensation, the LP221F35IET crystal oscillator can provide high accuracy and stability even in harsh conditions.