MAX4638ETE+

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The MAX4638ETE+ is a monolithic integrated circuit which belongs to the family of Interface - Analog Switches, Multiplexers, Demultiplexers. It is designed to operate on a supply voltage ranging from 1.65V to 5.5V VCC and to switch rail-to-rail analog signals over a wideband range. The device is split into three parts: the A, B, and C channels. The A and B channels switch, multiplex or demultiplex differential and single-ended signals and the C channel switches are bidirectional.

The MAX4638ETE+ features a low power consumption of just 8.5mW when operating at 3V. With its low On Resistance of 160Ω (max) and high Off Resistance of 350 MΩ (min) the device is able to provide high-impedance isolation for low-voltage, low-noise, and robust analog signal switching. The device is also ESD-protected and is offered in a space-saving SOT-23 package.

The MAX4638ETE+\'s application field is broad, it can be used in a variety of applications such as audio/video switching, 4-20mA current loop measurement, digital isolators, and data converters. Combined with their features, MAX4638ETE+ devices offer excellent performance for any application.

The working principle of the MAX4638ETE+ is to switch between two differential or single-ended analog signals. The device’s thyristor switch type design makes it easier to switch between two signals without the need for an external driver. The A and B channels’ On Resistance is low and Off Resistance is high in order to ensure high-impedance isolation. The C channel\'s bidirectional switching feature eliminates any need to monitor the voltage direction.

The MAX4638ETE+ combines low-power consumption, low on-resistance, and robust analog signal switching in a small package. It is the ideal device for a variety of applications such as audio/video switching, 4-20mA current loop measurement, digital isolators, and data converters. The device’s thyristor switch type design makes switching between two signals easy and its bidirectional switching feature eliminates the need for voltage direction monitoring.

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