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CMOS_DATA_ACQUISITION_SYSTEM

2016-10-17 14:03  
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CMOS_DATA_ACQUISITION_SYSTEM
CMOS_DATA_ACQUISITION_SYSTEM
Charge redistribution to achieve A/D conversion. In typical applications, as a ratiometric conversion system for a microprocessor,VREF- will be connected to ground and VREF,+will be connected to VCC. The output will then be a simple proportional ratio between analog input voltage and VCC. The general relationship is: Where DOUT=Digital Output VIN=Analog Input VREF=Positive Reference Potential VREF= Negative Reference Potential