1. Hsu YC, Chen JY, Wang CH, Liao LP, Chou WC, Wu CY, Mukherjee T (2008) Issues in path toward integrated acoustic sensor system on chip. In: Proceedings of IEEE Sensors. IEEE, Piscataway, pp 585–588
2. Malcovati P, Maloberti F (2005) Interface circuitry and microsystems. In: Korvink J, Paul O (eds) MEMS: a practical guide to design, analysis and applications. Springer, Dordrecht, pp 901–942
3. Bajdechi O, Huijsing JH (2002) A 1.8-V ΔΣ modulator interface for an electret microphone with on-chip reference. IEEE J Solid-State Circuits 37:279–285
4. Chiang CT, Huang YC (2009) A 14-bit oversampled delta-sigma modulator for silicon condenser microphones. In: Proceedings of IEEE IMTC. IEEE, Piscataway, pp 1055–1058
5. Pernici S, Stevenazzi F, Nicollini G (2004) Fully integrated voiceband codec in a standard digital CMOS technology. IEEE J Solid-State Circuits 39:1331–1334