AD5253BRU10

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The AD5253BRU10 digital potentiometer is an example of data acquisition devices. It is a single-channel nonvolatile digital potentiometer with 256 wiper positions and a 10 kΩ series resistance. It is capable of storing wiper positions down to 2.5 mV increments, which makes it perfect for use in precision applications where reliable restoration of set points is required.

The precision potentiometer may apply in the situation of temperature compensation, data communications, analog controls, and power control for high power applications. It uses an I²C compatible interface for communication and is programmable over the entire resistance range.

When used as a variable resistor, it can be used in a variety of circuits to form an adjustable voltage divider, an adjustable current limiter, an adjustable bias current source, an adjustable band-stop filter, an adjustable filter attenuator and so on. By adjusting the wiper location it is possible to design for low noise and low temperature coefficient, making the AD5253BRU10 ideal for precision position control.

In terms of working principle, the AD5253BRU10 includes a unique series resistance element, a memory element, and a control logic. During operation, the wiper position is adjusted by the control logic and the memory element stores the current wiper position. When the device is powered down, the stored value is not lost and the device returns to the same wiper position.

The device packaging is a 10-lead, plastic small outline integrated circuit package and thin-shrink small outline package (TSSOP) with thermal pad size identical to SOIC devices. The lack of internal trimming required due to the nonvolatile memory can reduce costs. The device also comes with a wide supply range ranging from 2.7 to 5.5 V to accommodate different power levels.

In conclusion, the AD5253BRU10 is a nonvolatile digital potentiometer with precision wiper resolution, capable of use in wide range of applications such as temperature compensation, data communications, analog controls, and power control. With its easy to use I2C compatible interface and wide supply range, it is an ideal choice for precision position control.

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