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Analog-to-digital converters (ADCs) enable a wide range of electronics applications. They make it possible for devices to interact with their environment. Most sensors convert a physical quantity into a voltage.  While it is certainly possible to build circuits that make use of that analog value, very often it is necessary to work with that voltage digitally. As the name implies, an ADC converts analog signals into a digital format. For example, if you put 5 volts into an analog-to-digital ...