6.4 An APS-H-Size 250Mpixel CMOS image sensor using column single-slope ADCs with dual-gain amplifiers. - Hirofumi Totsuka; Toshiki Tsuboi; Takashi Muto; Daisuke Yoshida; Yasushi Matsuno; Masanobu Ohmura; Hidekazu Takahashi; Katsuhito Sakurai; Takeshi Ichikawa; Hiroshi Yuzurihara; Shunsuke Inoue (ISSCC, 2016)