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https://e2e.ti.com/support/audio-group/audio/f/audio-forum/623448/tlv320aic3104-tlv320aic3104-i-use-two-mode-of-this-device-1-one-balanced-microphone-in-put-and-two-line-input-mode-2-four-balanced-microphone-in-put-mode-please-help-check-the-sch-if-there-any-not-match-or-wrong-many-thanks
你好，Andrew，
输入电路似乎与我们期望的平衡麦克风输入不同。 正极侧应连接至1K电阻器至GND，而正极脚应在您拥有所有电阻时连接至1K电阻器至Micbias。
线路输入似乎正确。 未使用的线路输入可以通过盖连接到GNG。
能否提供有关您要实现的路由的更多详细信息？
此致，
-Diego Mel é ndez López ñ a 音频应用工程师
e2e.ti.com/.../TLV320AIC3104IRHBT.pdf
