DG441CY+T

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The multiplexer, often referred to as the mux, is an electronic switching device used to connect multiple input terminals to one output terminal. The DG441CY+T is a dual 4-to-1 multiplexer with each channel having a 2-bit TTL input line and a 1-bit output line. It is designed for high-speed TTL logic switching applications and features high-speed operation and low OFF-state resistances in the individual channels. This makes it well suited for use in data acquisition systems, digital control systems and to switch analog signals between two points.

The DG441CY+T is part of a series of analog switches that also includes multiplexers, demultiplexers, analog switches, and logic-level converters. These switching devices feature low ON state resistances, low OFF state resistance, high-speed operation, low power consumption and high channel isolation. This makes them ideal for a variety of applications such as data acquisition systems, digital control systems, high-speed test systems, automotive, and military applications. This device is capable of switching high-speed signals up to a frequency of 10MHz.

The DG441CY+T multiplexer consists of two CMOS based 4-to-1 multiplexers, which are controlled by two input select lines. One of the select lines is active high and the other is active low. Each of the two input select lines controls one of the two multiplexers. When an input select line is active, its corresponding multiplexer selects one of the four inputs and allows it to pass through to the output. When neither of the select lines is active, the output is off.

The working principle of the DG441CY+T is based on a comparison between the input signal and a threshold applied to the inputs of a Multiplexer Control Unit (MCU). When the signal at the input of the multiplexer control unit exceeds the threshold, the MCU outputs a control signal. This control signal is then used to control the switch operation of the multiplexer. The MCU can also be used to control the output when an input select line is active or when a signal is detected from the inputs.

The DG441CY+T multiplexer is typically used in data acquisition systems, digital control systems, and to switch analog signals between two points. It is also suitable for use in high-speed logic switching applications and can handle signal frequencies up to 10MHz. Additionally, it is a low power device and consumes only 35mW with the exception of output OFF condition where the device remains active and consumes only 0.5mW. This device has a maximum Junction Temperature (TJ) rating of 125°C and is therefore suitable for applications in high temperature environments.

In conclusion, the DG441CY+T is a dual 4-to-1 multiplexer with each channel having a 2-bit TTL input line and a 1-bit output line. It is designed for high-speed TTL logic switching applications and features high-speed operation and low OFF-state resistances in the individual channels. This makes it well suited for use in data acquisition systems, digital control systems and to switch analog signals between two points. It is also suitable for use in low power applications, as it consumes only 35mW and can handle signal frequencies up to 10MHz.

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