AD5273BRJ50-R2

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AD5273BRJ50-R2 is a precision, digital-controlled potentiometer designed to improve user convenience and accuracy in a variety of data acquisition, automation, and control applications. The device offers non-volatile memory, which stores the last set value of the digital potentiometer and ensures accurate and reliable operation. Furthermore, the device is designed to operate within the extended temperature range from -40°C to +85°C.

AD5273BRJ50-R2 is classified as a digital potentiometer and is widely used in data acquisition applications, such as analog-digital converter calibration, voltage-controlled oscillator (VCO) control, motor speed control, temperature control and strain gauge bridge balance. In addition, the device could be used in noise-critical applications and analog circuits, such as television, monitor, audio and communication systems.

The working principle of AD5273BRJ50-R2 is based on the current mirror principle, with an internal N-channel MOSFET acting as the variable resistor. When a voltage is applied to the digital potentiometer control pin, a current flows through the MOSFET and the variable resistor, causing it to adjust its resistance. The resistance of the variable resistor is then adjusted according to the control voltage applied. This resistance is read from the wiper output, which can either be in single-ended or differential mode. The device provides good accuracy and long-term stability.

AD5273BRJ50-R2 also offers a variety of features that make it easy to use and configure. These features include low-power operation, an on-chip power-on reset circuitry, a wide range of wiper settings, non-linear wiper steps, and non-volatile memory which can store the last set wiper value. The device also allows the user to control the wiper either digitally or with a voltage reference. Furthermore, the device features an I2C serial interface that enables the user to control the device via remote communication.

In conclusion, AD5273BRJ50-R2 is a precision digital-controlled potentiometer capable of providing accurate and reliable operation in a wide range of temperature and voltage ranges. The device is widely used for data acquisition applications and offers users both digital and voltage reference control of the wiper setting. Additionally, the device features low-power operation, on-chip power-on reset circuitry, and a variety of additional features that make it easy to use and configure.

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