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终止TI音频ADC和编解码器器件上未使用的输入的设计建议是什么?
TLV320ADC3100,TLV320ADC3101,TLV320ADC3001,TLV320AIC3203,TLV320AIC3253,TLV320AIC3204, TLV320AIC3254,TLV320AIC3206,TLV320AIC3256,TLV320AIC36,TLV320AIC3100, TLV320AIC3101,TLV320AIC3104,TLV320AIC3105,TLV320AIC3106,TLV320AIC3107, TLV320AIC3109,TLV320AIC3110,TLV320AIC3111,TLV320AIC3120,TLV320AIC3212, TLV320AIC3262,TLV320AIC3263和TLV320AIC3268
对于TI的音频ADC和编解码器上未使用的输入,建议通过~0.47uF电容器提供至GND的交流端接,以防止非端接输入上的噪声拾取。 模拟输入上有直流偏压,因此不应直接与GND短路。 ~0.47uF电容器为器件内的直流偏置提供断路,但提供对GND的交流短路,以实现正确端接和降噪。