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SI5340A-D05864-GM Application Field and Working Principle

Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers are devices used to generate a series of pulses with a very precise frequency. The SI5340A-D05864-GM is a low-jitter, low-power-consumption, programmable clock multiplier and fanout buffer with integrated output jitter attenuation features. It features pin-selectable 3x or 4x output frequency and a low-skew Fanout buffer.

Applications

The SI5340A-D05864-GM is suited for a wide range of timing applications in different industries. It is especially useful for high-performance computing, storage, and computing applications as it provides a versatile, reliable, low-power solution to signal conversion. It is also a suitable solution for communication infrastructure, consumer, and industrial applications due to its robust clock frequency operation capabilities.

In particular, the SI5340A-D05864-GM is suitable for RAID card applications, such as Fibre Channel, SAS, SATA, and SCSI, where high-precision frequency conversion is critical. It is also used in mission-critical applications such as aerospace and military where reliability and low clock jitter are of paramount importance.

Features

The SI5340A-D05864-GM offers a wide range of features for users looking for a reliable and versatile clock multiplier and fanout buffer. Its low power consumption helps maintain thermal stability, and its pin-selectable 3x or 4x frequency allows for flexibility in design size and cost. This unit is also rated for a wide temperature range of – 40 ºC to 85 ºC, making it well suited for use in extreme temperature conditions.

The SI5340A-D05864-GM is also capable of generating PCIe Gen 1 and PCIe Gen 2 compliant output clocks and frequencies. This is useful in applications that require PCIe interface communication such as HDLC/SDLC and RapidIO. Furthermore, its integrated jitter attenuation features help to improve performance under challenging environmental conditions such as vibration, temperature gradient and electromagnetic interference.

Working Principle

The SI5340A-D05864-GM generates clocks and fanout buffer signals by using a Phase Locked Loop (PLL) circuit. The PLL circuit is a type of frequency synthesizer, which is a device that is used to generate an output frequency that is a multiple of an input frequency. The PLL circuit in the SI5340A-D05864-GM uses a reference frequency and a programmable divider to generate output clocks in the ratio of 3x or 4x. This allows the device to output frequencies from the range of 100 KHz to 150 MHz.

The fanout buffer in the SI5340A-D05864-GM consists of differential and single-ended outputs. To ensure that the output signals have low jitter, the buffer features an adjustable or fixed output tuning mechanism. This allows output signals to be tuned with highly accurate reference frequencies. Additionally, the device features an oscillator control pin that can be used to adjust the oscillator amplitude and frequency. This gives users additional control to fine-tune their output signals.

The SI5340A-D05864-GM also features multiple low-skew outputs. This reduces signal timing errors, which can occur when output signals cross over, due to the trace lengths being unequal. Additionally, the unit is designed to reduce electromagnetic interference and signal jitter, thanks to its low power consumption design.

Conclusion

The SI5340A-D05864-GM is a versatile clock multiplier and fanout buffer, which is suitable for a wide range of timing applications in different industries. It features a pin-selectable 3x or 4x output frequency, a low-skew fanout buffer and low-power consumption. Additionally, its integrated output jitter attenuation features help to improve performance under challenging environmental conditions. The device is also rated for a wide temperature range, making it well suited for use in extreme temperature conditions. The SI5340A-D05864-GM is a powerful and reliable solution for those in need of a robust clock frequency operation capabilities.

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