Ad conversion circuit photoelectric conversion apparatus, photoelectric conversion system, and moving body

Abstract

An AD conversion circuit includes a plurality of first AD converters, a plurality of voltage holding circuits, a second AD converter, and a selector circuit. Each of the plurality of first AD converters includes a first input terminal. Each of the plurality of first AD converters is a delta-sigma AD converter. Each of the plurality of voltage holding circuits is connected to corresponding one of the plurality of first AD converters. The second AD converter is a delta-sigma AD converter and includes a second input terminal. The selector circuit is connected to the plurality of voltage holding circuits and to the second input terminal. The selector circuit is configured to select, from among the plurality of voltage holding circuits, a voltage holding circuit to be connected to the second input terminal.

Dependencies are inferred from the claim text.