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TLV320AIC3110: Audio Signal Level

Part Number: TLV320AIC3110

I was going through the datasheet of the device and found that is supports 59.5 dB of Preamp gain. I need to calculate minimum audio signal level required at the input of this device for it to work properly.

Mic sensitivity: -47 dB (1 Pa) i.e. for 1 Pa (94 dB Sound Pressure Level), my mic shall be generating 4.4668 mV of analog signal at its output. To make communication possible using this mic, what shall be the minimum signal available at the Mic in or Lin in pin of TLV320AIC3110.

Thanks in anticipation.