FSUSB20BQX

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FSUSB20BQX belongs to the Interface - Analog Switches - Special Purpose field, and its working principle needs to be considered to be able to use it effectively. This device is designed to interface between two USB ports and two s-video/composite connectors, and is also suitable for other analog video formats.

As video signals require different levels of attention and switch contact size, the FSUSB20BQX takes advantage of its low power consumption to make this possible. The FSUSB20BQX uses an ultra low-noise FET switch to control the signal path between two analog paths. The FET switch provides very low RDS(on) levels and low capacitance, ensuring that the signal is not affected by changes in the output impedance of the source or the input impedance of the load device.

The FSUSB20BQX also includes an internal balun that converts oscillatory signals between single-ended and differential modes. With an S-video or composite input, the internal balun passively shuffles the non-inverting and inverting halves of the signal. The key point here is that the FSUSB20BQX can connect any two devices that have the same format and allows for both the S-video or composite inputs to be connected at the same time, giving users maximum connectivity with the least amount of cables.

The FSUSB20BQX also provides protection circuitry for both the S-video and composite ports which can help to prolong the life of more delicate components. Additionally, an on-chip thermal sensor monitors the junction temperature and shuts down the device if the temperature exceeds the specified limit. This is important for protecting the device against excessive temperature levels that can damage the surrounding components.

One of the main advantages of the FSUSB20BQX is that it has configurable drive strength and switch threshold levels, allowing the user to select the most suitable switching frequency for their application. This device also offers a low propagation delay with computer controlled programming. The user can tinker with the switch settings via the software or other device configuration registers.

The FSUSB20BQX has a low-power standby mode which can be activated when the device is not being used. This helps to conserve energy and reduce operating costs. Lastly, the device has several built-in protection features that guard against various electrical and mechanical disturbances, such as ESD and over-voltage.

In conclusion, the FSUSB20BQX is an ideal choice for connecting analog video signals from two USB ports to s-video/composite connectors and is well-suited for other analog video formats as well. It is designed for low power consumption and is equipped with circuitry for protection against over-voltage and ESD. Further, the FSUSB20BQX offers a configurable drive strength and can be programmed for a low propagation delay.

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