Difficulties and Breakthroughs in the Design of Analog-digital Mixed Signal Circuits for Integrated Circuits

With the continuous advancement of modern electronic technology, analog and digital circuits are increasingly being supplanted by analog-digital mixed signal circuits, which have the advantages of both, so the development of integrated circuits focuses on analog-digital mixed signal circuits. This paper employs a comprehensive research approach, combining literature review and case studies, to conduct an in-depth exploration of analog-digital mixed-signal circuit design in ICs. First, the paper discusses the definition of analog-digital mixed circuits, analyses the application of analog-digital mixed circuits in the field of communications, automotive and other areas and development trends. This text explores the design challenges of analog-digital mixed circuits, including noise interference, device mismatches, process bias, and low power consumption. It also discusses the integration of analog-digital mixed circuits in integrated circuits and highlights recent advancements in analog-digital hybrid circuit design, such as new circuit architecture and packaging processes.