SI5338C-B04461-GM

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Clock and timing devices have many application specific uses, including as are used in various device functions such as timing circuits and frequency synthesizers. The SI5338C-B04461-GM is a low jitter, voltage-controlled differential clock generator with integrated phase-locked loop (PLL) and VCO circuits. It is designed to generate frequencies up to 600 MHz with low jitter, which is low enough for high-speed communication and test & measurement applications. It works on 1.2V and 3.3V supplies and has an integrated, low power digital controller. The SI5338C-B04461-GM is a versatile, comprehensive clock generator solution for telecom, data communication, and test and measurement applications.

The SI5338C-B04461-GM offers a wide array of features to meet application needs. It provides long term frequency stability, highly accurate output frequency distributions, selectable output levels and extremely low additive jitter performance—in a single package solution. The device offers four differential output pairs, adjustable frequency range from 79.4MHz to 600MHz, and maximum output frequency of 600MHz. Additionally, the device provides four differential programmable output reference channels, which can be programmed from 1.5MHz to 6GHz.

The SI5338C-B04461-GM utilizes an integrated PLL and VCO circuit, which enable the device to produce low jitter and low additive jitter performance whilst operating at frequencies up to and beyond 600MHz. The PLL includes two independent flexible digital dividers and an analog frequency comparator. The VCO is connected to the digital dividers and provides a feedback loop, enabling the output frequency to be locked to the reference input frequency. The frequency division ratio can be programmed via digital controls or via an external clock reference, such as a crystal oscillator.

The SI5338C-B04461-GM also integrates a low power digital controller, which provides the user with an enable/disable, control and monitoring functions. The device also has integrated power isolation, allowing it to be powered up and down with an external switch, making the device suitable for low power applications. The device also features an integrated thermal protection, allowing it to operate under temperature extremes and providing protection in the event of thermal overstress. Furthermore, the device integrates power-on reset (POR) and power-down reset (PDR) circuits that provide high current protection, preventing degradation of the output signal in the event of sudden power fluctuations.

The SI5338C-B04461-GM is an ideal device for application specific clock and timing requirements. It provides a comprehensive, low jitter, true differential output solution for 1.2V and 3.3V supplies, and is programmed using an external 24-bit SPI. It is designed to optimize flexibility and performance whilst preserving power consumption in meeting specific application requirements. Furthermore, the device offers an array of features that provide optimal protection and enhanced long term frequency stability.

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