AD5173BRM10

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Digital potentiometers are a type of digital control circuit that is used to adjust the resistance. In this article, we will discuss the AD5173BRM10 application field and working principle.

The AD5173BRM10 is a single chip, digitally controlled, 64-position, non-volatile, potentiometer based on an array of resistors. It has a 256-tap points, 20kΩ maximum resistance and a minimum resistance of 100Ω. It is a low-power device, consuming only 3mW of power. Its gross linearity is <0.3%, making it suitable for audio and other critical signal-processing applications.

The AD5173BRM10 is used in a variety of signal conditioning applications, including volume control and power regulation. It is also used in automated test equipment, allowing the user to adjust the parameters or settings of various digital circuits to calibrate measurements or tweak performance. For example, the AD5173BRM10 can be used to adjust the resistance of a gain amplifier, or to set the correct drive level for a digital clock.

The AD5173BRM10 is controlled using a microcontroller or digital-to-analog converter (DAC). The control signal is sent via the SPI interface and is used to set the wiper position of the potentiometer. It works by changing the voltage that’s sent to the wiper, thus changing the resistance. The device is powered by a single 3.3V supply and can be used in temperatures from -55 °C to 125 °C.

The AD5173BRM10 also comes with additional features that make it suitable for more efficient applications. For example, it has a programmable power-off wiper position and the ability to adjust either the full or variable wiper position. It also contains a non-volatile mode, which stores the state of the potentiometer, even when power is removed. This ensures that the wiper position is retained between power cycles.

To conclude, we have discussed the application field and working principle of the AD5173BRM10, a digital potentiometer that is used in a variety of signal conditioning applications. It is a low-power device and offers features such as a programmable power-off wiper position and non-volatile memory.

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