【应用笔记】TS4909的低功耗立体声耳机放大器评估板用户指南 AN2622 Application note TS4909 low power stereo headphone amplifier evaluation board user guidelines Introduction This application note concerns the DEMOTS4909 evaluation board, designed to evaluate the TS4909 low power stereo headphone amplifier with capacitor-less output. In this document, you will find: ■ a brief description of the TS4909 audio amplifier ■ a description of the evaluation board and all of its components ■ the layout of the evaluation board About the……