MC14551BFELG

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The MC14551BFELG is a dual 4-channel multiplexer/demultiplexer, specifically designed for analog switching applications. It has two independent multiple-input channels, each consisting of four independent switches, allowing the user to select from two different signals with just one switch.

The MC14551BFELG is designed to be very low power, with a quiescent current of only 1.5mA, and operates on a single +3V to +18V supply. It has a fast switching time – 6 nanoseconds typical – and a low input capacitance of only 55 picofarads per channel. The MC14551BFELG also features built-in protection against overvoltage conditions, eliminating the need for external protection circuitry.

The MC14551BFELG can be used in many applications, including signal routing, signal mixing, signal level shifting, and electronic switching. It is often used in audio systems where it can switch between two different inputs. For example, it can be used to switch between two different microphone signals or to switch between two different audio sources. It can also be used for other analog switching applications, like signal routing, signal mixers and signal level shifting.

The operation of the MC14551BFELG is very straightforward. The two channels are controlled by two logic inputs: a select input and an enable input. The select input is used to select which of the two channels will be switched. The enable input is used to enable or disable the switching action. When the enable input is set to high, the selected channel is switched, and when it is set to low, no switching takes place.

The MC14551BFELG is also extremely robust, capable of withstanding electrostatic discharge up to 2000 volts. The device is also radiation hardened, making it suitable for a wide range of applications where high reliability is required. It is available in a variety of package types, including SOIC, PDIP, and TSSOP, making it easy to integrate into any application.

The MC14551BFELG is a versatile multiplexer/demultiplexer ideal for switching between two different signals, especially in audio applications where it can switch between two different microphone signals or two different audio sources. Its low power consumption, low input capacitance, and fast switching time make it well suited for a variety of analog switching applications, including signal routing, signal mixing, and signal level shifting.

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