MC14067BCPG

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The MC14067BCPG is a CMOS Quad Analog Switch, Multiplexer, and Demultiplexer which helps to effectively switch up to four analog signals. An operating voltage of up to 15 V and only one current source per channel enables it to operate at high speeds and provide reliable operation in applications such as solid-state relays and audio switching. This article will discuss the application field and working principles of the MC14067BCPG.

Application Field

The MC14067BCPG is an ideal choice for automated switching or routing of analog signals in applications such as instrumentation, medical, military, communications, audio-visual equipment, home appliances, and robotics. It is especially well-suited for use in applications that require reliable, high-speed, true analog control for switching of signals.

Working Principle

The MC14067BCPG uses a series of transistors to act as four individual switches. This allows for high switching speeds and reliable operation since each channel is provided with its own current source. With its low on-resistance of 25 Ω, it provides good signal isolation when switching multiple signals. The MC14067BCPG is able to mux or demux up to four analog signals and has a total power consumption of near zero when quiescent.

The MC14067BCPG operates on a single control voltage, which can be as high as 15 V. The analog control voltage is supplied to the pins labeled “A0” through “A3”. When the input signal is a logic high, the corresponding switch is closed and the signal will pass through. Conversely, when the control voltage is a logic low, the switch will be open and no signal will be passed through. The MC14067BCPG also allows users to configure it as a multiplexer or demultiplexer, depending on the type of application.

Overall, the MC14067BCPG is an ideal choice for automated switching of analog signals in applications that require reliable, high-speed, true analog control. It is low power, low on-resistance, and can be configured as a multiplexer or demultiplexer. With its single operating voltage and simple control voltage logic, it is a reliable, cost-effective choice for switching applications that require true analog control.

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