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AD8402数字式电位计与MC68HC705J1A接口的原理
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2009-06-19
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The digital potentiometer (DP) allows many of the applications of
mechanical trimming potentiometers to be replaced by a solid-state
solution. The digital potentiometer has several benefits over a
mechanical potentiometer, including compact size, freedom from shock
or vibration, and the ability to withstand oil, dust, temperature extremes,
and moisture.
The interface of a DP allows it to be electronically controlled by a
microprocessor or microcontroller so that the user can adjust system
parameters quickly and precisely. Also, automatic system initialization
and calibration at the point of manufacture can be provided to increase
accuracy and timeliness on the production line.
mechanical trimming potentiometers to be replaced by a solid-state
solution. The digital potentiometer has several benefits over a
mechanical potentiometer, including compact size, freedom from shock
or vibration, and the ability to withstand oil, dust, temperature extremes,
and moisture.
The interface of a DP allows it to be electronically controlled by a
microprocessor or microcontroller so that the user can adjust system
parameters quickly and precisely. Also, automatic system initialization
and calibration at the point of manufacture can be provided to increase
accuracy and timeliness on the production line.
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