US Patent 9142575 Solid-state imaging apparatus and imaging system

A solid-state imaging apparatus having a pixel array is provided. The apparatus includes one or more ground lines and one or more power supply lines for supplying power to the pixels. Each of the pixels includes an photoelectric conversion element and an A/D converter for converting an analog signal corresponding to a charge generated by the photoelectric conversion element into a digital signal. At least one of the plurality of pixels includes at least a portion of a capacitance element having a first electrode connected to one of the one or more power supply lines, and a second electrode connected to one of the one or more ground lines.