A steady trend towards the design of mostly-digital and digital-friendly analog circuits, suitable to integration in mainstream nanoscale CMOS by a highly automated design flow, has been observed in the last years to address the requirements of the emerging Internet of Things (IoT) applications. In this context, this tutorial brief presents an overview of concepts and design methodologies that emerged in the last decade, aimed to the implementation of analog circuits like Operational Transconductance Amplifiers, Voltage References and Data Converters by digital circuits. The current design challenges and application scenarios as well as the future perspectives and opportunities in the field of digital-based analog processing are finally discussed.

中文翻译：

---

从数字角度重新思考模拟集成电路：物联网时代的新设计理念


近年来，为了满足新兴物联网 (IoT) 的要求，人们观察到，大多数数字和数字友好型模拟电路的设计趋势稳定，适合通过高度自动化的设计流程集成到主流纳米级 CMOS 中。 ）应用程序。在此背景下，本教程概要概述了过去十年中出现的概念和设计方法，旨在通过数字电路实现运算跨导放大器、电压基准和数据转换器等模拟电路。最后讨论了基于数字的模拟处理领域当前的设计挑战和应用场景以及未来的前景和机遇。