SI5350B-A-GUR

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The SI5350B-A-GUR is a high-performance clock generator integrated circuit from Silicon Labs. It is a multi-output clock generator that provides clock signals for communication, computing, and automotive applications. The device is ideal for applications such as PLLs, frequency synthesizers, and clock synchronization circuits. It has a wide range of clock signal frequencies and is optimized for power consumption and low noise.

The SI5350B-A-GUR has two independent PLLs that can generate up to 12 outputs with frequencies ranging from15 kHz to 900 MHz. Each output can be phase-locked to a reference clock signal, thus providing precise and clean phase-locking and accurate frequency synthesis. The device also incorporates a Digital Frequency Synthesizer (DFS). This allows the user to easily configure the device to generate any desired output frequency within its range.

The SI5350B-A-GUR uses low-noise power supplies and advanced signal-conditioning techniques to reduce unwanted noise. It also features advanced EMI/RFI shielding techniques to reduce electromagnetic interference (EMI) and radio-frequency interference (RFI) from external sources. This helps to ensure that the generated clock signal is clean and precise. The device also has implemented a power fail detect feature, which can be used to monitor and detect power failure events and automatically switch over to back-up power supplies in the event of a power failure.

The device is also very power efficient. It supports \'green\' power supply options, such as a low power standby mode. This feature can be used to reduce system power consumption when the device is not in active use. The SI5350B-A-GUR also has an integrated temperature sensor and supports a temperature compensation function to help reduce the offset voltage due to temperature variations. This ensures that the output accuracy is maintained even in high-temperature environments.

The SI5350B-A-GUR has an integrated output buffer, which provides the drive current required to drive loads up to 50 Ohms in impedance. This feature is useful for driving applications that have high clock jitter requirements. The device also features an integrated PLL that can be used to synthesize multiple frequencies from a single reference clock source. The PLL can also be used to re-synthesize a new clock from an existing reference clock signal. This feature ensures that the generated clock signals remain clean and accurate even when their frequencies are changed.

In summary, the SI5350B-A-GUR is a high-performance, low-noise clock generator optimized for power efficiency. It is ideal for applications such as PLLs, frequency synthesizers, and clock synchronization circuits, as it is capable of producing a wide range of clock frequencies from a single reference clock signal. The integrated output buffer provides the drive current required to drive loads up to 50 Ohms in impedance. Lastly, the integration of an advanced Digital Frequency Synthesizer (DFS) allows the user to easily configure the device to generate any desired output frequency.

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