MC74LVXT4051DTR2G

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Application Field and Working Principle of MC74LVXT4051DTR2G

The MC74LVXT4051DTR2G is an analog switch that classifies in the field of Interface – Analog Switches, Multiplexers, Demultiplexers. This part is shaped as Dual 8:1 Analog Multiplexer/Demultiplexer and has a Pb (lead) - freere coating making it more suitable for high temperature applications. It has a logic diode build-in with it. It is a multiplexer having a wide range of applications and can be found in the consumer, automotive and commercial products.

Features

It has 3 VCC power supplies for CC1, CC2 and CDMX and an active LOW ‘enable’ control and 8 controlled switches with ‘off’ condition and 2-channel differential inputs. It also operates at a voltage range of 1.2V to 3.6V, very low Vcc operating voltage of 1.65V, high operating speed and low Vcc of 70ns @ 1.2V and 31ns @ 3.6V. This device contains static CMOS for switching analog signals and is stored in a small Pb (lead) – free DPAK on 8-pin package.

Typical Application

It can be used to switch precision sensors, analog power amps, and SAMs functions; it also finds its use in audio-video switching, control and measurement SNAs, instrumentations, and attenuator networks.

Working Principle

The MC74LVXT4051DTR2G is dual 8:1 analog switch that combines two analog multiplexers/demultiplexers within a single package. It contains two separate dual 4:1 multiplexers/demultiplexers and is designed to switch multichannel signals in one device. The multiplexers/demultiplexers share a common enable (E) and output (Y) interface.

The common enable (E) is responsible for switching between the analog signal inputs and the output (Y) interface. When the ‘enable’ signal is activated, the analog signal from the one of the eight inputs is connected to the output (Y) interface. The MC74LVXT4051DTR2G senses logic low signal as enable control.

The multiplexers/demultiplexers are provided with two channels each. Channel selector signal is provided on the other two control pins C0 and C1. The Channel selector signal decides which of the two channels is to be selected.the signal is of binary nature thus it is responsible for selecting one of the four control channels.The MC74LVXT4051DTR2G provides rail-to-rail switching from the power source to the ground rail.

Conclusion

The MC74LVXT4051DTR2G is a dual 8:1 analog switch that is a part of the Interface – Analog Switches, Multiplexers, Demultiplexers field. It is specially manufactured for high temperature applications, operates low operating voltage, offers rail-to-rail switching, and has low active power. It combines two analog multiplexers/demultiplexers within a single package, making it an ideal choice for switching multichannel signals in one device. This device finds wide range of applications in the consumer, automotive and commercial products.

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