Introduction to CMOS Sigma-Delta Converters

This article is an introduction to CMOS Sigma-Delta converters, covering basic concepts and architectures. For those unfamiliar with Sigma-Delta technology, this article provides a helpful overview of how the converters work and the advantages they offer. Architectures are explored in detail, including first order, second order, and higher order implementations. Additionally, the differences between single-stage and multistage converters are explained. Throughout the article, the importance of optimizing the design for performance and minimizing noise is emphasized.