DG409LDY-T1

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The DG409LDY-T1 is an Audio/Video Analog multiplexer/demultiplexer with four non-inverting inputs and four outputs. It is designed to allow multiple analog audio or video signals to be switched from one input to another in response to a logic signal causing it to change state. Additionally, it can function as a selector switch to control which inputs are switched to the output. In its multiplexer or demultiplexer mode, the device is controlled through the use of one or more digital inputs with the direction and rate determined by its internal programming. The device is capable of performing up to four channel multiplex operations.

The DG409LDY-T1 is especially well-suited to applications where size and cost must be minimized. It features both analog and digital inputs, four selectable outputs and can be used for a wide variety of analog signal processing applications. Its feature of being smaller and lighter than other conventional multiplexers but still featuring the same selectivity and switch speed makes it an ideal fit for many types of applications where portability is an issue.

DG409LDY-T1 consists of a multiplexer, a demultiplexer, and an additional two-level circuit for controlling the signal routing. The multiplexer can switch up to eight source inputs to one output. The first four references are connected to GND, while the other four references are connected to a logic control signal. The logic control signal determines which of the four references is routed to the output. The demultiplexer works in the opposite way, routing one input to up to four outputs depending on the logic signal provided.

The DG409LDY-T1 works by monitoring the logic signals received and then selecting the appropriate circuit path within the device to ensure the desired result is achieved. When the logic signal is set to ‘0’, the demultiplexer circuit is disabled and the reference signals connected to the input of the device are switched to the output. When the logic signal is set to ‘1’, the multiplexer and two-level circuit are enabled and the signal at the output is determined by the logic signal. The two-level circuit controls the direction of the signal routing by changing the polarity of the logic signal.

In summary, the DG409LDY-T1 is an Audio/Video Analog multiplexer/demultiplexer, designed to allow multiple analog audio and video signals to be routed from one input to another in response to a logic signal. The device is comprised of a multiplexer, a demultiplexer, and an additional two-level circuit for controlling the signal routing. It is an ideal device for applications where size and cost must be minimized and can be used in numerous analog signal processing applications.

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