Patent ID: 8711259

Claim:
A solid-state imaging apparatus comprising: a plurality of pixels arranged two dimensionally, each pixel including a photoelectric conversion element; amplifier circuits, each arranged correspondingly to each of the columns of the pixels, configured to amplify a signal from the pixel; a reference signal generating circuit configured to generate a reference signal that changes monotonously with time; and an A/D conversion circuit configured to perform an analog-to-digital conversion of the signal from the pixel, based on a signal outputted from the amplifier circuit and on the reference signal, wherein the amplifier circuit has a capacitor element and an amplifier, the amplifier of the amplifier circuit has an input portion and an output portion coupled through the capacitor element, the reference signal generating circuit has a capacitor element and an amplifier, the amplifier of the reference signal generating circuit has an input portion and an output portion coupled through the capacitor element, the capacitor element of the amplifier circuit and the capacitor element of the reference signal generating circuit are the same structure, and a connecting configuration between an electrode of the capacitor element and a terminal of the amplifier in the amplifier circuit, and a connecting configuration between an electrode of the capacitor element and a terminal of the amplifier in the reference signal generating circuit are the same.