Class-D audio amplifiers are power efficient, but do not beat, or even match, well-designed Class-AB and Class-A amplifiers on many other specs. This said, Delft University of Technology, working with Goodix Technology, seems to have got right up amongst the hi-fi numbers with a 0.18μm BCD prototype IC that achieves 120.9dB dynamic range and -111.2dB …
The post ISSCC 2023: Class-D audio at -111.2dB THD+N and 120.9dB dynamic range appeared first on Electronics Weekly .