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https://e2e.ti.com/support/audio-group/audio/f/audio-forum/1278815/tlv320adc6140-confirmation-regarding-i2c-bus-status-when-power-supply-0v
如果不使用 ADC6140功能且电源设置为0V、ADC6140是否会断开 I2C 总线？ 或短接至 GND？
您好！
I2C 总线是漏极开路集电极、这意味着如果没有上拉至 IOVDD、则总线被拉低(很可能短接至 GND)。
详细说明如下： https://www.ti.com/lit/pdf/slva704
此致、
尊敬的 Deveon：
非常感谢！
