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Digital potentiometer
Intersil offers the widest selection of low-to-high resolution digital potentiometers in single dual and quad configurations. Available in both linear and non-linear tapers, these digital potentiometers replace mechanical potentiometers and trim resistors in applications where digital control allows microprocessor interfacing and extended functionality. Electronic potentiometers have many benefits over mechanical potentiometers. They are more accurate, easy to adjust, and eliminate the need of human labor.