MEMS Microphone Preamp


  • The NSC6271 is a pre-amplifier for MEMS Microphone. The NSC6271 has integrated low noise bias circuit for MEMS microphone, and high performance analog pre-amplifier deliver the genuine sound quality and support flexible microphone systems. Both of the bias voltage and the analog pre-amplifier gain can be trimmed by the internal fuse banks (OTP), so the NSC6271 can support MEMS transducers with different parameters. It also improves the yield and provide better consistency of sensitivity. The NSC6271 has two output pads for bias voltage with different location, either of which is chosen depending on the location of top plate of MEMS microphone.

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