Integral ADC

Integral ADC is also called double slope or multi-slope ADC, it is widely used, mainly used in vulgar, precision measurement and other fields, such as digital voltmeter. It consists of an analog integrator with an input switching light, a comparator and a counting unit, and converts the input analog voltage into a time interval proportional to its average value by integrating it twice. At the same time, during this time interval the clock pulse is counted by A counter, thus achieving A/D conversion.

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