A 10 bit 20 MS/s 3 V supply CMOS A/D converter. - Masao Ito; Takahiro Miki; Shiro Hosotani; Toshio Kumamoto; Yukihiro Yamashita; Masaki Kijima; Takashi Okuda; Keisuke Okada (IEEE J. Solid State Circuits, 1994)