AD5122ABRUZ100

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Digital potentiometers are an extremely common device used in data acquisition systems and are an essential part of any system designed to measure and analyze changes in voltage. The AD5122ABRUZ100 is one such device, and it is used in a wide variety of applications because of its relatively low power consumption and temperature stability.

Application Field

The AD5122ABRUZ100 is a three-terminal, single-channel digital potentiometer that has a resistance range of 100 ohms and a wiper resistance of 500 ohms. The device has a low-resolution step size of 10 ohms, and its non-linearity is better than 0.5%. This makes the chip suitable for applications such as voltage adjustment, offset adjustment, and gains setting, as well as soft-start circuits.

It can be used in consumer electronics such as digital TVs, displays, and audio systems, as well as numerous other devices. It can be used for general-purpose signal conditioning, as well as for calibration, adjustment, and control systems. Its use in signal conditioning and signal acquisition is particularly useful due to its small size, low power consumption and temperature stability.

Working Principle

The working principle of the AD5122ABRUZ100 is rather simple. It is essentially two resistive components - one fixed, one movable - that act together to form a voltage divider. The device has three pins—the end pins are the fixed resistors and the middle pin is the movable resistor. As the wiper is adjusted, the voltage output changes accordingly.

The voltage output can be varied from zero to the full terminal voltage. A pair of digital terminals is used to control the position of the wiper, which also sets the output voltage. The digital terminals are controlled by a digital signal, which determines the wiper’s position and therefore the output voltage.

The AD5122ABRUZ100 is a nonvolatile device, meaning that it does not require power to retain its output value. This makes it ideal for applications such as industrial process control and factory automation.

Summary

The AD5122ABRUZ100 is a three-terminal, single-channel digital potentiometer with a resistance range of 100 ohms and a wiper resistance of 500 ohms. Its low-resolution step size of 10 ohms and its non-linearity of better than 0.5% make it suitable for a range of applications, including voltage adjustment, offset adjustment, gains setting, and soft-start circuits. It can also be used in signal conditioning and signal acquisition applications due to its small size, low power consumption and temperature stability.

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