DG387AAA/883

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Analog switches, multiplexers and demultiplexers are integrated circuit devices with applications across a range of fields, including audio and video switching, signal routing and signal cross-over. The DG387AAA/883 is an IC designed to perform these operations and more, featuring a combination of fast switching speeds, low power consumption and reliable operation. In this article, we will discuss the applications and working principles of the DG387AAA/883.

Applications of the DG387AAA/883

The DG387AAA/883 is a high performance analog switch controller featuring 4 independent, bidirectional channels and 8 input/output pins. It is designed for audio and video switching, signal routing and signal cross-over applications. It is suited for use in car audio systems, home theatre systems, portable video equipment and many other types of equipment. Its low power consumption allows it to be used in portable and battery-powered devices.

The DG387AAA/883 also features integrated anti-aliasing and EMI/RFI filtering capabilities, making it Ideal for use in high-frequency signal processing applications. Its high switching speed and low power operation make it suitable for cell phone switching and other similar applications.

Working Principle of the DG387AAA/883

The DG387AAA/883 is an integrated analog switch controller which uses the PDM (Pulse-Density Modulation) technique to switch between its four independent, bidirectional channels. It features 8 input/output pins, 4 control pins and 2 enable pins.

When the input pins receive a signal, the internal logic analyzes the signal, and then switches between the channels based on the resultant signal characteristics. The signal can be amplified or degraded, depending on the desired effect. The enable pins allow the signal to be turned on or off, depending on the signal characteristics.

The DG387AAA/883 also features integrated EMI/RFI filtering capabilities, attenuation of the signal as well as signal cross-over capabilities. It can be used to control up to four independent, bidirectional channels in audio/video switching applications. Furthermore, it can be used to route signals according to the signal characteristics, or to cross-over signals between different channels.

In order to maintain the signal integrity, the DG387AAA/883 is designed to switch quickly, yet remain low power. It is designed to allow fast switching speeds, with a minimum channel to channel switching time of just 10ns. Moreover, its low power design allows it to be used in battery-powered devices, without sacrificing signal quality.

Conclusion

The DG387AAA/883 is a versatile analog switch controller, capable of routing and switching audio and video signals with minimum power draw. Its integrated anti-alias filtering capabilities make it suitable for high-frequency signal processing applications, such as cell phone switching. Furthermore, its fast switching speeds and low power design make it ideal for use in portable and battery-powered devices. With its bidirectional channels and integrated EMI/RFI filtering, the DG387AAA/883 is a powerful and reliable tool for many audio and video switching and signal routing applications.

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