SI5350A-B04321-GT

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The SI5350A-B04321-GT is part of the Clock/Timing - Clock Generators, PLLs, and Frequency Synthesizers family of products. This device offers a wide range of features, including a programmable spread-spectrum frequency synthesizer, programmable output divider with very low jitter, multi-protocol support and industry standard operating temperature range. It is used in applications such as industrial automation systems, medical equipment, home/building automation, LED lighting, cellular phones, navigation systems, communications equipment, digital media, electric/hybrid vehicles, and VoIP/video systems.

The SI5350A-B04321-GT offers extremely low fractional-N jitter performance in a high-performance, cost-effective package. Its spread spectrum feature serves to reduce the emission of high frequency interference from the power supply. The device is also equipped with a wide range of built-in modulation schemes, including spread-spectrum for reducing EMI, interleaved PLL for reducing total jitter, and multi-modulation PLL for multiple signaling applications. Additionally, the device comes with an on-chip power-on-reset detector, providing system stability and safety.

The SI5350A-B04321-GT from Silicon Labs is designed to generate ultra-low jitter clocks in applications requiring an extremely high level of performance or precision. It is well-suited for applications where tight jitter constraints and high system performance are required due to its extremely low fractional-N jitter performance. The device is based on Silicon’s proven digital frequency synthesizer (DFS) core, which provides excellent spurious and jitter performance in both quartz-based and CMOS oscillator systems. The device can generate and/or route up to 8 low-jitter clocks per device.

The working principle of SI5350A-B04321-GT is based on a feedback loop. The device receives an input clock signal, which is then processed by a DFS circuit. This DFS circuit generates an output clock signal that is then compared to the input clock. If the two signals match, the DFS circuit is locked and the output clock can be adjusted as desired by programming the device’s registers. If there is a mismatch, an adjustment is made to the generated output clock until the two signals match again and the DFS circuit is again locked.

The SI5350A-B04321-GT can generate clocks with extremely low fractional-N jitter, thus allowing applications that require very high system performance or precision, such as medical and military equipment, to achieve their desired results. Additionally, the device is equipped with a wide range of built-in modulation schemes, which provides versatility and allows the user to customize the device’s operation according to the specific application’s requirements.

The device can also be used to generate highly accurate and reliable clocks in a wide range of applications, including industrial automation systems, telecommunications, multimedia and automotive. Overall, the SI5350A-B04321-GT is an ideal solution for applications that require extremely low fractional-N jitter performance and high system performance or precision.

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