SI5351A-B05069-GM

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The SI5351A-B05069-GM is a versatile and advanced clock generator and is a great choice for an array of applications including embedded systems, distributed clocking, video/imaging and networking. As part of the Silicon Labs Clock Tree System, this part draws less power than alternative timing solutions while offering improved noise reduction and low power consumption. As a low-jitter, low-power, programmable clock generator with I2C interface, the SI5351A-B05069-GM provides many of the features and performance needed for today’s demanding digital timing requirements.

Application Field

The SI5351A-B05069-GM is suited for applications that require a wide range of frequency outputs, and is designed for use in a variety of end products such as telecommunications and consumer electronic applications. The part is highly versatile and offers a wide variety of user customizable features and outputs. Its flexible, multi-output configuration enables designers to generate single, dual, or four output clocks for DDR/SDR memory, microprocessors, DSPs, networking, telecommunications, and consumer device applications. The SI5351A-B05069-GM also has low power consumption and low jitter, making it well-suited to mobile, wireless, battery-powered applications.

Working Principle

The SI5351A-B05069-GM utilizes a unique combination of Frequency Synthesizers and Clock Buffers to produce perfectly synchronized high frequency clocks with low jitter and low power consumption in a small form factor. The oscillator section of the part contains two integrated Frequency Synthesizers that product low-jitter output clocks. The two outputs are then combined into a single integrated clock buffer that is designed to drive multiple downstream logic circuits. The part also contains on-chip programmable dividers and prescalers to enable the user to generate output clocks at frequencies up to 140 MHz with a wide range of output levels.

Using the I2C interface, users can program the part for multiple applications and customize the output frequencies, duty cycles, and output levels for each of the two output clocks. The part also supports multiple power sources, including 1.8 V and 3.3 V, along with voltage monitoring from the supply rail and power down settings to power the part down while not in use.

The SI5351A-B05069-GM also supports an array of timing functions such as multiple startup times, output skew, and cycle-by-cycle jitter elimination, allowing designers to maximize their system performance. Additionally, the part supports a variety of programmable wakeup events, such as synchronization to external events, powering up from stand-by, and individual outputs sequencing that help to minimize power consumption.

Conclusion

In conclusion, the SI5351A-B05069-GM is a versatile and advanced clock generator for use in a wide variety of applications. This part draws less power than alternative timing solutions while offering improved noise reduction and low power consumption. The SI5351A-B05069-GM supports multiple power sources and multiple timing functions, allowing users to customize the output frequencies, duty cycles, output levels, and multiple startup times. This part is an excellent choice for applications that require a wide range of frequency outputs, providing an array of features and performance for digital timing requirements.

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