How do I connect a differential audio source to a single-ended Class D input?
If a differential source is connected to a single-ended input Class D amplifier, the easiest approach is to simply use on of the outputs and leave the other connected. Alternatively, a differential op amp can be added at the front of the Class D amplifier. About the author: John Guy is an application engineer who joined National Semiconductor in October 2007. Prior to National, he worked for Maxim and Analog Devices. John obtained a BSEE from San Jose State University in 1992. In his spare time he enjoys woodworking, crafts and constructing esoteric devices. He lives in San Jose, CA, with his wife and two daughters.
