Comparator and image sensor including same

A comparator and an image sensor including the same are provided. The comparator includes: a first input transistor including a gate connected to a first input node; a second input transistor including a gate connected to a second input node; a first load transistor including a drain connected to th...

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Bibliographische Detailangaben
Hauptverfasser: KIM JIN WOO, KIM JAE HONG, PARK IN-JOON, PAIK DAE-HWA
Format: Patent
Sprache:chi ; eng
Schlagworte:
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Beschreibung
Zusammenfassung:A comparator and an image sensor including the same are provided. The comparator includes: a first input transistor including a gate connected to a first input node; a second input transistor including a gate connected to a second input node; a first load transistor including a drain connected to the first input transistor; a second load transistor including a drain connected to the second input transistor; a first shift transistor including a drain connected to the first load transistor; a second shift transistor including a drain connected to the second load transistor; a first bottom switch connected in parallel to the first load transistor; a second bottom switch connected in parallel to the second load transistor; a first top switch connected in parallel to the first shift transistor; and a second top switch connected in parallel to the second shift transistor. 提供了一种比较器和包括比较器的图像传感器。比较器包括:第一输入晶体管,包括连接到第一输入节点的栅极;第二输入晶体管,包括连接到第二输入节点的栅极;第一负载晶体管,包括连接到第一输入晶体管的漏极;第二负载晶体管,包括连接到第二输入晶体管的漏极;第一移位晶体管,包括连接到第一负载晶体管的漏极;