SI52111-A1-GM2

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Application Field and Working Principle of SI52111-A1-GM2

The SI52111-A1-GM2 is an integrated voltage controlled crystal oscillator (VCXO) that provides precision timing control for applications requiring frequency accuracy, stability and low jitter. It is designed for clock/timing and application specific needs, enabling designers to incorporate better performance and reliability into their products.

Application

The SI52111-A1-GM2 is suitable for a wide range of clock/timing applications. It can be used in consumer electronics, instrumentation, industrial control, broadcast systems, and other general-purpose applications that require accurate clock signal control. It is particularly suitable for applications that require tight jitter and low power consumption.

The SI52111-A1-GM2 can be used in frequency synthesis, spread spectrum, and pulse width modulation systems. It can also be used in conjunction with other timing components to provide accurate synchronization of digital signal processing and embedded systems. The outputs are compatible with virtually any digital processor and memory.

Working Principle

The SI52111-A1-GM2 is based on an oscillator circuit using a quartz crystal resonator. Quartz crystals are known to exhibit superior stability and low jitter compared to other resonators such as ceramic resonators and SAW-based resonators. The SI52111-A1-GM2 is further optimized for improved jitter and noise performance with the internal voltage-controlled crystal oscillator (VCXO) circuitry.

The SI52111-A1-GM2 has an on-chip input voltage control that allows for fast and accurate frequency adjustment. The VCXO circuit operates over the temperature range of -40° to +85° C. The oscillator has an output frequency range of 0.1 to 120 MHz, with a frequency accuracy of up to 3 ppm.

The SI52111-A1-GM2 also features a fully integrated skew compensation circuit that helps to reduce jitter and noise. The skew compensation circuit compensates for any mismatches between the quartz crystal components and emits a low jitter clock signal with a standard jitter of 0.005 psec (12 kHz to 20 MHz).

The SI52111-A1-GM2 is designed to reduce the number of external components required, providing a low power solution for applications that require a small form factor. The clock/timing device is packaged in a tiny 8-pin LFCSP package. It also features low power operation, with typical power consumption of only 25 mW at an output frequency of 25 MHz.

Conclusion

The SI52111-A1-GM2 is a highly integrated voltage controlled crystal oscillator (VCXO) designed for clock/timing applications requiring frequency accuracy, stability, and low jitter. It is well suited for applications that require improved performance and reliability. The device is packaged in an 8-pin LFCSP for easy integration and provides a low power, high performance solution for timing needs.

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