SI5335D-B05056-GM

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The SI5335D-B05056-GM is a state-of-the-art programmable clock generator that provides users with a wide range of frequency synthesis capabilities. This device combines a digitally controlled oscillator (DCO), a phase-locked loop (PLL), and a frequency-locked loop (FLL) to generate precise clock outputs from an input reference clock. The SI5335D is able to support multiple internal references, divide ratios and multiple external reference inputs. It can also be programmed for different desired frequencies and output formats.

The device has an input frequency range of 1MHz to 300MHz and can generate frequencies up to 600MHz when used with its FLL. It also has multiple output options, including a selectable spread-spectrum clock output. The output jitter is 0.3psrms using a 25MHz reference clock and 0.2psrms using a 100MHz reference clock. The total jitter is specified -2dBc/Hz in the frequency range from 100kHz to 10 MHz.The device features a low-power consumption of 115mW in its 1.2V supply and supports a wide input voltage range from 1.5V to 3.3V.

Applications for the SI5335D include broadcast video, optical transport network, storage, embedded systems, clock and data recovery, instrumentation, and waveform generators. Its features and capabilities make it suited for a wide range of applications, from telecom to networking.

The working principle of the SI5335D can be summarized as follows. First, a reference clock is input to the device. This is then passed to the DCO, which is responsible for frequency synthesis by taking the input clock and generating an output clock with a desired frequency. This output clock is then passed to the PLL, which uses digital and analog control loops to refine the frequency. Finally, the output clock is sent to the FLL and is further adjusted to the desired frequency.

The device can be programmed to generate output clock signals of frequencies up to 600MHz, with 0.3psrms jitter with a 25Mhz reference and 0.2psrms with a 100MHz reference. In addition, the low power of 115mW and wide voltage range makes it suitable for many different applications. The device offers many features, such as multiple output options, intrinsic frequency multiplication, spread-spectrum clock output, self-calibration of the output frequency, and a wide input frequency range.

The SI5335D is a versatile programmable clock generator that provides a wide range of frequency synthesis capabilities. It is well suited for telecom, storage, and embedded applicationsthat require precise, low-jitter clock signals. The combination of DCO, PLL, and FLL provide a high degree of flexibility, making the device ideal for a wide range of applications.

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