公开(公告)号：US12081888B2

公开(公告)日：2024-09-03

申请号：US17660084

申请日：2022-04-21

Applicant: STMicroelectronics (Grenoble 2) SAS

Inventor： Alexandre Mas ,  Abdessamed Mekki ,  Cedric Tubert

IPC: H04N25/75 ,  H03M1/12 ,  H03M1/46 ,  H04N25/625 ,  H04N25/677

CPC classification number: H04N25/75 ,  H03M1/1245 ,  H03M1/46 ,  H04N25/625 ,  H04N25/677

Abstract: The present disclosure relates to a read-out circuit comprising N inputs configured to be connected to N respective outputs of a pixel array of an image sensor, with N being an integer strictly greater than 1; and N analog-to-digital converters organized in K groups, with K being an integer strictly greater than 1 and strictly less than N, and each having a first input coupled to a respective one of the N inputs and a second input. In each group, the second inputs of the analog-to-digital converters of the group are connected together, electrically decoupled from the second inputs of the analog-to-digital converters of the other groups, and configured to receive a first reference signal that is identical for all the analog-to-digital converters of the group.

公开(公告)号：US20220368847A1

公开(公告)日：2022-11-17

申请号：US17660084

申请日：2022-04-21

Applicant: STMicroelectronics (Grenoble 2) SAS

Inventor： Alexandre Mas ,  Abdessamed Mekki ,  Cedric Tubert

IPC: H04N5/378 ,  H03M1/46 ,  H03M1/12

Abstract: The present disclosure relates to a read-out circuit comprising N inputs configured to be connected to N respective outputs of a pixel array of an image sensor, with N being an integer strictly greater than 1; and N analog-to-digital converters organized in K groups, with K being an integer strictly greater than 1 and strictly less than N, and each having a first input coupled to a respective one of the N inputs and a second input. In each group, the second inputs of the analog-to-digital converters of the group are connected together, electrically decoupled from the second inputs of the analog-to-digital converters of the other groups, and configured to receive a first reference signal that is identical for all the analog-to-digital converters of the group.