A 110 dB, 3-mW fourth-order Σ-Δ modulator for atmospheric pressure sensor. - Taeyoon Kim; Wonki Park; Heesun Ahn; Kyongwon Min; Sangyong Lee; Jongchan Choi; Chulwoo Kim; Kynnyun Kim; Sungchul Lee (SoC, 2008)