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TLV9001: TLV9001 work as subtractor

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Part Number:TLV9001

Team,

Now I am promoting TLV9001 to a headphone customer and expects the project to have high volume. TLV9001 is used to amplify the output singal of mic. The mic signal is differential and amplititue is around 10mVrms. Signal frequency range is around 20~10kHz. 

Below is the circuit that I am thinking of now. Gain is 30. Do you have any concern of it? Or do you have better option? 

Current AC couple capacitor is 4.7uF. Customer would like it to reduce to 1uF. Could I increase the resistance by 5 times to achieve that?


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