NCP2809B 是一款经济高效的固定增益立体声音频功率放大器 ... 模式 2.2 V-5.5 V 操作出色的总谐波失真+ 噪声 (THD+N)：热过载保护电路 The NCP2809B is a cost-effective fixed gain stereo audio power amplifier capable of delivering 135 mW of continuous ...