Analog-to-digital converter

nounStandard termElectronics

A mixed-signal circuit component that translates continuous physical voltages into discrete digital numbers.

This device samples an analog input voltage at regular intervals and quantizes it into a binary value that a microcontroller or DSP can process. Performance is defined by resolution in bits and sampling rate in samples per second. Common architectures include SAR, delta-sigma, and flash converters.

Heard on the job

The analog-to-digital converter is clipping because the sensor output is exceeding the 3.3-volt reference.