SI5350A-B04578-GT

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Part Status:	Active
Moisture Sensitivity Level (MSL):	--

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The SI5350A-B04578-GT is a high-performance, low cost, and small form factor clock generator from Silicon Laboratories. It is designed for clock generation, such as clock/timing-Jitter, clocking/tuning-Noise, PLL/VCO tuning, crystal oscillator synthesizers, digital frequency synthesis, reference clocks, time division multiplexing, and frequency division multiplexing applications. This device offers a wide range of features and performance benefits while delivering low power operation.The SI5350A-B04578-GT is a digital PLL/VCO clock generator with a frequency range of 19.8MHz to 500MHz. It is designed to be used in personal computers, gaming console, mobile devices, telecommunications systems, industrial control systems, and automotive applications. The device provides a stable clock source and clock jitter improvements over traditional analog-based timing solutions. The SI5350A-B04578-GT gives system designers flexibility in clock tree design, with the ability to drive outputs from both sides of the internal oscillator, allowing one device to replace multiple traditional oscillators or to reduce component count in high-end applications.The device structure is composed of a phase-locked loop (PLL) and a voltage-controlled oscillator (VCO) integrated on the same IC. The PLL is responsible for generating the output clock signals from an input reference clock. The VCO is used to provide a variable frequency output from the PLL. The PLL is based on classic architectures, such as charge pump phase-locked loop (CP-PLL) and voltage-controlled oscillator phase-locked loop (VCO-PLL).The charge pump phase-locked loop (CP-PLL) architecture is composed of a phase detector, a filter, and a charge pump. The phase detector compares the phase difference between the reference signal and the feedback signal, generating the PLL error signal. The filter smoothes and regulates the error signal and the charge pump energizes the loop.The voltage-controlled oscillator phase-locked loop (VCO-PLL) architecture is composed of a phase detector and a voltage-controlled oscillator. The phase detector compares the phase between the reference signal and the feedback signal and generates a PLL error signal. The VCO receives the PLL error signal and generates the desired frequency output.The SI5350A-B04578-GT clock generator utilizes advanced digital frequency synthesis techniques to provide reliable and clean clock sources in a variety of applications. The device achieves high-performance timer jitter and low power consumption through advanced frequency synthesizing techniques, such as spread spectrum and clock dividers. The frequency range of 19.8MHz to 500MHz can be easily configured with no additional external components by simply changing the frequency control register values.The internal power management blocks of the device allow customers to make significant power savings by configuring the clock outputs for low-power standby and automatic power-on/off modes. Additionally, on-chip crystal oscillators and low-power, programmable, temperature-compensated crystal oscillators are integrated for improved clock accuracy and low jitter.The SI5350A-B04578-GT chip has all required I/O pads for external connection, and flexible output formats for easy system integration. It supports multiple output formats, such as LVDS and LVPECL, and allows up to 8 different outputs frequencies. Additionally, the device can support a wide voltage range of 3.3V and 2.5V, making it ideal for a variety of power-sensitive applications.The SI5350A-B04578-GT device offers a high degree of system flexibility in an easy-to-deploy, cost-effective solution. With its advanced features, it is an excellent choice for clock and timing applications in a variety of high-speed communication, telecom, automotive, computing, industrial and networking systems.

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