ADG221KR

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The ADG221KR is an analog switch belonging to the category of Interface - Analog Switches, Multiplexers, Demultiplexers. It is a monolithic CMOS device that allows multiplexing and passing of both analogue and digital signals. The device consists of two sets of anti-parallel FETs, one each for switching and passing signals. Both sets of FETs are controlled by a single digital control pin.

The ADG221KR is designed for many applications like switching audio signals, switching digital data, implementing filters, and buffer amplifiers. It can be used as an input multiplexer, output multiplexer and digital switch. Its main applications include multiplexing high speed digital data, audio amplifiers, and sample rate converters. It is also used in consumer electronics, video displays, medical and laboratory equipment, and process control systems.

The ADG221KR works by using two sets of FETs. The first set, known as the pass FETs, is used to pass the analogue and digital signals from the input and out of the device. The pass FETs are controlled by a digital control pin. The second set of FETs, called the switch FETs, is used to select and transmit either the input or the output signal. When the control pin is in the logic high state, the switch FETs turn off and the pass FETs pass the input signals to the output. When the control pin is in the logic low state, the switch FETs turn on and the pass FETs pass the output signals to the input.

The ADG221KR also features a low power standby mode, which reduces the power consumption when the device is not in use. On-chip protection circuitry is also included to protect the device against electrostatic discharge, reverse polarity, and input overvoltage. By reducing its power consumption, it makes the device a better choice for low-power applications.

The ADG221KR is an ideal choice for multiplexing, switching and passing analogue and digital signals. Its low power consumption and on-chip protection circuitry make it a great choice for many different applications. With its ability to switch digital and analogue signals, the ADG221KR is suitable for a wide range of electronic products and applications.

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