MAX5387MAUD+T

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The MAX5387MAUD+T is a single-pole, four-throw (SP4T) digital potentiometer integrated circuit (IC) that enables easy control and sensing of analogue signals from low to high voltage levels. It is part of Maxim Integrated’s Data Acquisition—Digital Potentiometers (DAP) product family. The MAX5387MAUD+T is ideal for applications requiring multiple switches and strong signal conditioning to allow for accurate measurement of the inputs. It can be used in multiple fields, including industrial automation systems, consumer electronics, and automobile electronics.

Application Fields

The MAX5387MAUD+T is well suited for a variety of applications where digital control of desired analogue signals is required. In industrial automation systems, such as sensors and actuators, it can be used to switch between multiple analogue signals while providing accurate measurement of the input*. This can be especially useful in the input stage of high-end sensors, such as Air Donuts, which detect internal air pressure. In consumer electronics, such as sound systems, the MAX5387MAUD+T can be used for fine-tuning of the sound by switching between multiple analogues inputs. Furthermore, in automobile electronics, this device can be used to switch between multiple analogues sensors in order to measure essential parameters such as temperature accurately.

Working Principle

The MAX5387MAUD+T provides a simple, easy-to-implement solution for switching between, and accurately measuring of analogue signals. The device has four pins, allowing for each of the two pins to act as an input and two other pins to act as an output. Input A of the MAX5387MAUD+T is used to select which of the two outputs is connected to ground. This is accomplished through the use of an internal switch, which is triggered by the internal digital signal sent via the input pin. The output B of the MAX5387MAUD+T is then isolated from the ground and is linked to the selected input. When the input A is set to high, output B is connected to input A and when input A is set to low, output B is connected to input B. When both inputs A and B are set to high, the internal switch activates and both outputs A and B are connected to ground and no signal is measured. The output voltage (VOUT) can be controlled by modulating the internal digital signal. The modulated voltage is amplified by the MAX5387MAUD+T, allowing for more accurate measurement of the input signals.

Conclusion

The MAX5387MAUD+T is an integrated circuit that is part of Maxim Integrated’s Data Acquisition—Digital Potentiometers (DAP) product family, providing an easy and accurate way of switching between, and measuring, analogue signals. It is widely applicable in several fields, including industrial automation systems, consumer electronics, and automobile electronics. Due to its simple yet robust design and features, the MAX5387MAUD+T offers value and reliability in multiple applications.

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