Patent ID: 8902342

Claim:
A solid-state image sensor comprising a pixel array having a plurality of pixels, and a plurality of signal processing circuits, each of the plurality of signal processing circuits amplifying a signal output from the pixel array to a plurality of column signal lines, wherein each of the plurality of signal processing circuits comprises a fully-differential operation amplifier, including a non-inverting input terminal, an inverting input terminal, an inverting output terminal, and a non-inverting output terminal, a first input capacitance arranged between the non-inverting input terminal and a first column signal line of the plurality of column signal lines, a first feedback circuit which connects the non-inverting input terminal with the inverting output terminal, a second input capacitance arranged between the inverting input terminal and a second column signal line of the plurality of column signal lines, and a second feedback circuit which connects the inverting input terminal with the non-inverting output terminal, wherein the first feedback circuit is configured to form a first feedback path in which a first capacitance element and a second capacitance element are arranged in series in a path connecting the non-inverting input terminal with the inverting output terminal, and a third capacitance element is arranged between a reference potential and a path connecting the first capacitance element to the second capacitance element, and the second feedback circuit is configured to form a second feedback path in which a fourth capacitance element and a fifth capacitance element are arranged in series in a path connecting the inverting input terminal with the non-inverting output terminal, and a sixth capacitance element is arranged between the reference potential and a path connecting the fourth capacitance element to the fifth capacitance element.