MAX4723EUA+T

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A MAX4723EUA+T Analog Multiplexer/Demultiplexer is a single-channel analog switch from Maxim Integrated that is designed to either route analog signals or convert voltage levels between two peripheral devices. It is also known as an analog multiplexer/demultiplexer, often referred to simply as a multiplexer or Mux. This article describes the application and working principle of a MAX4723EUA+T, along with the features and benefits.

Applications of MAX4723EUA+T

The MAX4723EUA+T is designed for applications that require two-way conversion or routing of high-speed analog signals with minimal signal distortion or noise, such as: analog sample-and-hold circuits, automatic system tuning, and precision control/monitoring circuits.

The device can also be used in combination with high-speed analog switches, such as the MAX4262, for analog signal routing applications, where routing is required over a wide range of frequency responses and slew rates. Additionally, the MAX4723EUA+T can be used with dual-channel multiplexers, such as the MAX4262E, for multi-path routing in order to route signals to multiple output points for applications such as audio mixing.

Device Features

The MAX4723EUA+T features a wide input voltage range of +/- 15V and an adjustable output voltage range of 0V to +15V. It is also designed to handle high-input voltages. The device contains two differential inputs: one configured as the input, and the other configured as the output. The input can accept signals up to 1945MHz, while the output can accept signals up to 330MHz. Additionally, the MAX4723EUA+T is capable of switching between the two outputs without overshoot or ringing.

The device also features low on-resistance of 1.5Ω for single supply operation and 0.75Ω for dual supply operation. It has a maximum on-resistance flatness of 0.3Ω. The fast switching time of the MAX4723EUA+T helps to reduce signal distortion when switching between signal sources. The device is also designed to operate in ultra-low power consumption, drawing a maximum of 250 μA when in an on-state. The device is rated for up to 30V of maximum signal voltage.

Working Principle

The MAX4723EUA+T is an analog multiplexer/demultiplexer that can simultaneously switch between two signal sources. Depending on the location of the input and output, the device can be used as a multiplexer or a demultiplexer. The device contains two digital input control pins, A and B, which are used to control the switching direction. When the control pins are in a high state, the device will switch from the TX output to the RX input. When the control pins are in a low state, the device will switch from the RX output to the TX input.

The device also contains two differential input stages - one configured as the input and the other configured as the output. The input stage is designed to accept signals up to approximately 1945MHz with distortion-free signal switching. The output stage is configured to accept signals up to 330MHz with distortion-free signal switching. The device is designed to operate in ultra-low power consumption, drawing a maximum of 250 μA when in an on-state, while also allowing for fast switching speeds between two signal sources.

Conclusion

The MAX4723EUA+T is a high-speed analog multiplexer/demultiplexer that is designed for applications that require two-way conversion or routing of high-speed analog signals with minimal signal distortion or noise. The device features a wide input voltage range of +/-15V and an adjustable output voltage range of 0V to +15V. It is also capable of operating in ultra-low power consumption, drawing a maximum of 250 μA when in an on-state. The device is rated for up to 30V of maximum signal voltage. It also has a maximum on-resistance flatness of 0.3Ω and fast switching times that help to reduce signal distortion when switching between signal sources. The MAX4723EUA+T is a versatile device that can be used for a variety of applications, including analog sample-and-hold circuits, automatic system tuning, and precision control/monitoring circuits.

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