SEMICONDUCTOR DEVICE, MEASUREMENT SYSTEM, AND MEASUREMENT METHOD

To provide a semiconductor device, a measurement system, and a measurement method, capable of measuring biological information correctly and without referring to physical data even when a shape of a surface portion in contact with a contact terminal changes.SOLUTION: A semiconductor device includes: a signal source 30 for generating a sine wave signal; an output part for outputting a measurement signal corresponding to the sine wave signal to a subject via a first electrode 13-1; an input part to which the measurement signal having passed through the subject and input via a second electrode 13-2 is input as an input signal; first calculation means 31 for calculating a correlation value between the sine wave signal and the input signal; and second calculation means for calculating the subject's biological impedance on the basis of the correlation value.SELECTED DRAWING: Figure 2 【課題】接触端子と接触した表面部位の形状が変化する場合でも正しく、かつ身体的なデータを参照することなく生体情報を計測できる半導体装置、計測システム、および計測方法を提供すること。【解決手段】正弦波信号を発生する信号源３０と、第１の電極１３−１を介して正弦波信号に対応する計測信号を被験者に出力する出力部と、第２の電極１３−２を介して入力された被験者を通過した計測信号を入力信号として入力する入力部と、正弦波信号と入力信号の相関値を演算する第１の演算手段３１と、相関値に基づいて被験者の生体インピーダンスを演算する第２の演算手段と、を含む。【選択図】図２