HEF4051BTT,118

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Interface - Analog Switches, Multiplexers, Demultiplexers, is a technology used to switch and multiplex/demultiplex analog signals. The HEF4051BTT,118 is an integrated circuit used in these applications and it is known for its high performance and durability. In this article, we will look at the application field and working principle of HEF4051BTT,118.

Usage

HEF4051BTT,118 is a quad bilateral switch, combining four independent analog switches. This circuit can be employed in a variety of applications, such as sample and hold circuits and multiplexer/demultiplexer applications. It can also be used in audio, filter network, and low frequency oscillator circuits. HEF4051BTT,118 has low operating voltage and can be used in applications that require a low-voltage supply, such as battery or single-signal operation.

Features

The HEF4051BTT,118 is known for its high performance and durability. It supports high speed switching operations and has a low threshold voltage (1.2V). It features a high input impedance, low input offset voltage, and low distortion. The HEF4051BTT,118 has low power consumption, as well as low leakage current, making it an ideal choice for battery-operated applications. The device also features a low crosstalk level, providing improved signal integrity in high frequency applications.

Working Principle

The HEF4051BTT,118 is based on CMOS technology and uses a P-channel MOSFET for switching operations. Two input signals, INA and INB, are connected to the respective MOSFETs. The state of the switch is determined by the high/low logic level of the control voltage (V CTRL). When the control voltage input is high, the switch between the INA and INB inputs is opened, and when the control voltage is low, the switch is closed. The connection between INA and INB is then determined by the logic states of the V CTRL signals.

In addition, the HEF4051BTT,118 also features an open drain output, which can be used to control the open/close position of the switch using an external logic control, such as an analog voltage or a digital signal. When the open drain output is high, the switch is open, and when it is low, the switch is closed.

Conclusion

The HEF4051BTT,118 is a quad bilateral switch designed for diverse applications, such as audio and filter network circuits, sample and hold circuits, and multiplexer/demultiplexer applications. It combines four independent analog switches and supports high speed switching operations. The device is also known for its low power consumption, low voltage operation, high input impedance, and low distortion. With its numerous features, the HEF4051BTT,118 is a great choice for any type of analog switching application.

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