公开(公告)号：US10036669B1

公开(公告)日：2018-07-31

申请号：US15712287

申请日：2017-09-22

Applicant: UNIVERSITY OF ELECTRONIC SCIENCE AND TECHNOLOGY OF CHINA

Inventor： Jian Lv ,  Longcheng Que ,  Jinyu Qin ,  Yue Wan ,  Qiming Wang ,  Yadong Jiang

IPC: G01J5/00 ,  G01J5/22 ,  H03M1/12 ,  H03K17/687

CPC classification number: G01J5/22 ,  G01J1/46 ,  H03K17/6871 ,  H03M1/12 ,  H03M1/50 ,  H04N5/33 ,  H04N5/378

Abstract: An infrared focal plane readout integrated circuit that includes a unit bias circuit, an integrating circuit, and an on-chip analog-to-digital conversion circuit, where the integrating circuit includes a first switch tube, a second switch tube, and an integrating capacitor; an output end of the unit bias circuit is connected to an input end of the first switch tube; an input end of the second switch tube is connected to a set terminal; both an output end of the first switch tube and an output end of the second switch tube are connected to one end of an integrating capacitor and an input end of the on-chip analog-to-digital conversion circuit; the other end of the integrating capacitor is grounded; and the on-chip analog-to-digital conversion circuit includes a first inverter, a second inverter, a third inverter, an exclusive-OR gate, a built-in sequence counter, and a register.