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Data converters bridge the space between the analog and digital domains in your circuits. This feat is done with analog-to-digital and digital-to-analog converters. With this book chapter, the definition of delta-sigma analog-to-digital converter (ADC) targets the precision space where millivolts, linearity, and noise matter. The delta-sigma ADC is the most recent data converter topology on the market today. This topology, more than any other topology, exploits digital functions with programmable entities. The following excerpts from the EDN Baker's Best column represent the best of my delta-sigma ADC short articles. They have been complied for your convenience