DG381BDJ-E3

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The DG381BDJ-E3 is an integrated circuit designed for performing efficient switching operations with analog signals. It is an analog switch/ multiplexer/ demultiplexer intended for use in interface applications. It is available in an 8-pin package.

The main feature of the DG381BDJ-E3 is the built-in switching mechanisms. The switches feature a high speed response time of up to 4ns and a wide supply voltage range of up to 18V. It is also designed for low on resistance, low noise level, and high isolation voltage.

The DG381BDJ-E3 also offers very low power dissipation, making it ideal for portable applications. The device is also available in a range of packages, including JEDEC standard packages, making it suitable for a wide range of applications.

The DG381BDJ-E3 is mainly used for analog and mixed-signal applications in industrial, medical, automotive and communications fields. It is also used for audio, video and modulation applications. The device is designed for operation in multiplexers, demultiplexers, logic level translators and other digital to analog/ analog to digital interface applications.

The DG381BDJ-E3 also features a wide operating temperature range of up to 85°C, making it suitable for use in harsh environments. Other features include a built-in level translator and an enable/ disable control pin.

The working principle of an analog switch/ multiplexer/ demultiplexer is the same as that of a digital switch. The analog switch arranges that the output is connected to either the input or an open circuit (OFF position) depending upon the values of the control. It can be used to connect several inputs to a single output or vice versa. It can also be used to route signals selectively between different inputs/outputs.

In the case of the DG381BDJ-E3, its multiplexer/demultiplexer uses a fourbit digital code to control the state of the switch. The code contains two address bits and two control bits. The address bits determine the channel to which the switch is connected. The control bits determine the OFF or ON position of the switch. The control pins can also be used to give the device enable/disable functions.

In conclusion, the DG381BDJ-E3 is a versatile integrated circuit designed for efficient switching operations with analog signals. It is used in multiplexers, demultiplexers, audio, video, modulation, logic level translators and other digital to analog/analog to digital interface applications. Its switching mechanism features a fast response time, wide supply voltage range, low on-resistance and low noise level. It also features a wide operating temperature range, making it suitable for use in harsh environments.

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