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tlv320aic3204输入输出及音量控制问题

Other Parts Discussed in Thread: TLV320AIC3204

对tlv320aic3204的应用不熟,在这请考一下:

1,三组立体声信号输入与外部的一组数字信号(DIN)输入之间是否能现实自由切换,由Dout输出

2,三路立体声信号输入与外部的一组数字信号(DIN)输入后是否可以经过IC内置的音量控制后由Dout输出,如果行,音量的控制是多少个dB?