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数字电位器手动操作不需要微处理器

资料介绍
摘要:操作无需使用微控制器的数字电位。手动增加一个简单的按钮电路向上/向下。完善的手动控制,需要设置一个特定的水平,成本敏感的应用。

Maxim/Dallas > App Notes > DIGITAL POTENTIOMETERS GENERAL ENGINEERING TOPICS

Keywords: digital potentiometer, digipot, watchdog timer, switch debouncer, esd protection, digital pots, Jun 01, 2001
potentiometers, push button circuit

APPLICATION NOTE 1118
Manually Operated Digital Potentiometer Doesn't Need a
Microprocessor

Operate a digital potentiometer without the use of a microcontroller. Manually increment up/down with a simple
push-button circuit. Perfect for cost sensitive applications where manual controls are required to set a particular
level.


Digital potentiometer ICs such as the MAX5160 and MAX5161 are good replacements for mechanical types. But
these ICs are designed to work with microcontrollers. In this manually operated digital potentiometer, two
pushbuttons c……
数字电位器手动操作不需要微处理器
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