SI5380A-D-GMR

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The SI5380A-D-GMR is a multi-output digital family clock IC (integrated circuit). Its application fields include clock generation, PLLs (phase-locked loops), and frequency synthesis. This device combines low-noise oscillator technology and mixed-signal circuitry to provide high performance analog and clock signal output. Its allowable frequency range extends from 20 MHz to 250 MHz and beyond.

The SI5380A-D-GMR utilizes a temperature-compensated crystal oscillator (TCXO) with a wide range of frequency and temperature settings. The TCXO can be programmed to operate continuously through a wide temperature range of -40°C to +85°C. This provides clock performance in applications requiring precise timekeeping and synchronization even at extreme temperatures.

The SI5380A-D-GMR includes several features that make it suitable for a variety of clock and timing applications. These features include frequency synthesis, jitter attenuation, skew reduction, and reconfigurable clock outputs. Frequency synthesis is used to generate a desired output frequency from an available reference frequency. This enables the chip to be used in applications where the exact output frequency needs to be generated.

Jitter attenuation is another major feature of the SI5380A-D-GMR. This reduces the period-to-period variations of the signal, resulting in improved signal integrity. Jitter attenuation is achieved by using the high-performance digital phase-locked loop (DPLL) to analyze and track the signal period and phase, and then modifies them to reduce the jitter. This feature also helps improve signal amplitude and frequency accuracy.

Skew reduction is another important feature of the SI5380A-D-GMR. This ensures that multiple clock outputs have equal phase, resulting in improved signal integrity and signal integrity margins. The chip also includes internal frequency dividers and clock multiplexers that can help reduce the skew due to external loads.

Finally, the SI5380A-D-GMR includes reconfigurable clock outputs. These outputs can be programmed to support various applications, such as an output frequency range from 10kHz to 10 MHz, or an output frequency range from 20 MHz to 400 MHz. The reconfigurable clock outputs can also be used to generate a single-ended or differential clock signal.

Overall, the SI5380A-D-GMR is a versatile and powerful clock IC designed for clock and timing applications. Its features provide excellent jitter attenuation, skew reduction, and reconfigurable clock outputs for a wide range of applications.

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