应用功能： I2C总线高保真立体声音频处理器 The TDA8421 is a monolithic bipolar integrated stereo sound circuit with a loudspeaker channel (CH1) and a headphone channel (CH2), digital controlled via the I2C bus, for application in hi-fi audio and television sound.
电路图解压密码：www.838dz.com (小写)
