MC74HC4851ANG

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The MC74HC4851ANG is a CMOS analog switch specifically designed for an important type of interface known as analog switches, multiplexers, demultiplexers. Analog switches and multiplexers, also known as muxes, provide a way to monitor and control large numbers of analog and digital signals, while demultiplexers, also known as demuxes, provide a way to separate a single signal into multiple outputs. The MC74HC4851ANG is a low-power integrated circuit that allows a large number of analog and digital signal inputs to be controlled by a single common control line.

The main application field of the MC74HC4851ANG is the control of signal routing, selection and switching among multiple input signals and a single output signal. It works as a multiplexer when the control signal is used to switch between one of the input signals, or as a demultiplexer when the control signal is used to divide a single input signal into multiple output signals. The device supports both single-ended and differential signals. In addition to signal routing and switching, the MC74HC4851ANG can also be used for signal conditioning, buffering and level shifting.

The MC74HC4851ANG operates on both 3.3V and 5V logic source voltages. It has a 16-bit wide CMOS logic data path, which can be operated in both latched and unlatched configurations. It also offers built-in logic noise protection and ESD protection. The device is capable of carrying up to 36mV of DC common-mode input signal and its typical switching time of 3.2 ns makes it suitable for high-speed signal routing. It is also designed to minimize power consumption, with a typical power supply current at 1.25 mA maximum.

The working principle of the MC74HC4851ANG is based on the operation of an analog switch. The device consists of four sections: input, control, output and decoding logic. The input section consists of an 8-bit wide digital data path and two differential input channels, which are used to receive the input signals. The control section consists of a single control line, which is used to select the input signals and route them to the output. The output section consists of two 16-bit wide output signals, which can be connected to either a single-ended or differential output device. The decoding logic section is used to interpret the control signal according to the MC74HC4851ANG\'s data inputs.

The device also contains a status register which holds the status of the device after each data transfer operation. This register allows the device to accurately control the switching of the analog signals and to report any errors that occur. The MC74HC4851ANG also contains various pins for output control, such as Enable, Clock, Select and Address bits, which allow the controlling device to further manage the internal operations of the device.

The MC74HC4851ANG is an extremely versatile device that can be used for a wide variety of applications. It can be used to control routing, selection, and switching among multiple input signals, to level shift signals, and to buffer signals for transmission over long distances. It can also be used to perform signal conditioning and multiplexing operations. Its low power consumption, fast switching times, and ESD protection make it an ideal choice for many different kinds of applications.

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