74HC4051PW-Q100,11 Integrated Circuits (ICs)

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The 74HC4051PW-Q100 is an integrated circuit that is part of the HC4000 logic family. It is a monolithic analog multiplexer/demultiplexer that can be used in many analog switching applications. It is an integrated voltage feedback multi-channel switch that allows two or more input signals to be connected to the same output. The output of one of the input signals can be switched depending on the applied control signal.

The main application fields of the 74HC4051PW-Q100 are switching and multiplexing of analog signals. This IC is often used as an analog multiplexer wherein a single output is selected from multiple input channels. It can also be used as a digital-to-analog converter, allowing simple digital signals to be connected to an analog output. The 74HC4051PW-Q100 can also be used for other switching and multiplexing applications such as fader circuits, digital potentiometers and analog electrical isolation systems.

The working principle of the 74HC4051PW-Q100 is based on the use of an analog multiplexer. It is composed of three stages corresponding to the three transmission levels of the input signals. The first level selects a single input signal, the second level forms a voltage level shifter, and the third level is the main multiplexer stage. The first two levels ensure that the correct signal is selected, while the main multiplexer stage allows the output to be connected to the input signal.

The 74HC4051PW-Q100 is designed to provide high reliability and can operate at temperatures up to -55 degrees Celsius to 125 degrees Celsius. The IC is specified in the 18-pin Q100 package, with a power supply voltage of 5V or 3.3V. It is rated at a maximum frequency of 720kHz and has skew characteristics lower than 5 ns. The maximum on-resistance is 100 ohms and the on-resistance matching between channels is typically 0.2 ohms.

The 74HC4051PW-Q100 is easy to use, reliable and quite affordable. It is an ideal solution for applications requiring analog switching with digital control. Its multiplexing capabilities make it attractive for use in many digital to analog conversion applications as well.

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