SI5350A-B04941-GMR

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The SI5350A-B04941-GMR is a clock generator/PLL that combines both frequency synthesis and clock multiplication functions. It contains an integrated oscillator and digital input to provide a wide range of clock frequencies from 1 kHz to 1.3 GHz. The clock generator/PLL features an integrated differential output buffer, fractional PLLs, and support for third-party reference oscillators. It also supports both positive and negative edge clock outputs, with duty cycle compensation circuitry for improved accuracy.

Application Fields and Working Principles

The SI5350A-B04941-GMR clock generator/PLL provides a wide range of clock frequencies from 1 kHz to 1.3 GHz. It is ideal for communications and data storage applications, as well as general-purpose and precision clocking. Some examples of its applications include:

• Wireless communication infrastructure
• Networking routers, switches and hubs
• Network attached storage
• Data transport and signal broadcasting
• High-density optical transceivers
• Test and instrumentation

The working principle behind the SI5350A-B04941-GMR is based on a phase-locked loop (PLL). The PLL circuit contains a voltage controlled oscillator (VCO), phase-detector, feedback divider (frequency synthesizer), and a phase-follower. The input reference clock is compared with the output of the VCO in the phase-detector. Whenever the VCO output is out of phase with the reference clock, an error is detected and the PLL will adjust the VCO frequency. This process is continued until the frequencies match. The output of the VCO is then passed through an output buffer and used as the clock signal for the device.

The SI5350A-B04941-GMR clock generator/PLL uses a fractional PLL frequency synthesizer. By using fine resolution division levels, the output frequency accuracy and jitter are improved. The clock generator/PLL also supports third-party reference oscillators, which can provide lower input jitter and improved accuracy if required. The clock generator/PLL also supports both positive and negative edge clock outputs, with duty cycle compensation circuitry for improved accuracy.

The SI5350A- B04941-GMR clock generator/PLL is designed to provide high reliability, low power consumption and excellent performance, making it an ideal solution for clock synchronization and clock distribution. With its wide range of clock frequencies, it is suitable for a variety of timing needs in today\'s communications and data storage applications.

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