Digital potentiometers are becoming increasingly popular for a variety of applications. These devices now offer high performance and consume very little power, in miniature packaging. This makes the devices very attractive for a multitude of embedded control applications. Digital potentiometers also offer many advantages over their mechanical counterparts. They are not sensitive to mechanical wear or vibration. Digital potentiometers can be changed on the 'fly', through a serial interface, eliminating the need for human interface In order to adjust the wiper setting. This can Increase system accuracy, provide more design flexibility and/or increase manufacturing throughput, while decreasing manufacturing overhead.
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