SI5351A-B08113-GT

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The SI5351A-B08113-GT is an innovative, low-power, low-jitter clock generator module from Silicon Laboratories. It is specifically designed for applications requiring low-frequency clock generation and has a wide range of programmability to suit different applications. The module is ideal for use in Industrial Automation, Test and Measurement, Networking, and other applications which require reliable low jitter clock sources.

The SI5351A-B08113-GT module uses an integrated PLL (phase-locked loop) to generate highly accurate and low-phase-noise clock signals over a wide frequency range. This module also offers an unprecedented level of programmability, allowing the user to configure it to suit the specific needs of their application. This flexibility makes the SI5351A-B08113-GT an ideal solution for a variety of design requirements.

Application Field

The SI5351A-B08113-GT is a versatile clock generator module and makes an ideal clock source for a wide range of applications, including servo motors, industrial automation and control, power control, etc. It is also suitable for more general uses such as programmable clock sources for digital oscilloscopes, frequency synthesis, precision frequency sources for test and measurement, clock distribution for digital data transmission, and network synchronization.

The module also features advanced features such as multi-phase outputs, programmable output power levels, and adjustable duty cycle, which make it suitable for various timing-sensitive systems. Additionally, the SI5351A-B08113-GT\'s high operational reliability and exceptionally low-power consumption make it well-suited for use in energy-sensitive applications.

Working Principle

The SI5351A-B08113-GT module is based on a voltage-controlled oscillator that is phase-locked to a high-stability crystal oscillator. This allows it to generate low-jitter clocks over a wide frequency range with excellent accuracy and stability. The module features an integrated digitally programmable dual PLL, which allows two independent frequency outputs to be generated with a single module.

The phase-locked loop consists of a phase detector, an adjustable low-pass filter, and a voltage-controlled oscillator (VCO). The phase detector monitors the phase difference between the externally supplied reference clock frequency and the VCO clock frequency. The low-pass filter removes high frequency noise and reduces the phase-detected error signal, allowing only a low-frequency component to be used as the control signal to the VCO. The VCO\'s frequency is adjusted by the control signal; that is, the error signal is used to phase-lock the VCO to the reference clock frequency.

In addition to the phase-locked loop, the SI5351A-B08113-GT module features an on-chip programmable control logic block. This logic block controls the phase-locked loop in order to drive the module\'s two output frequencies independently. The user can adjust the output frequencies and other module settings, such as output power levels, via the SPI interface.

In summary, the SI5351A-B08113-GT module is a very useful and flexible tool for any application requiring low-frequency clock generation and excellent accuracy. It offers a wide range of adjustable features and programmability, making it a great choice for industrial automation, test and measurement, networking, and any other application requiring low jitter and reliable clock sources.

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