Patent attributes
Provided is a photoelectric conversion device including a pixel array in which pixels, each of the pixels including a photoelectric conversion element, are arranged in columns, a signal line that is arranged corresponding to one of the columns in the pixel array and to which a signal from the pixel is output, a current source configured to supply the signal line with a driving current; a current adjusting unit configured to control the driving current into a current amount including a first current amount and a second current amount greater than the first current amount, and an assisting element configured to assist a change in a current flowing through the signal line when the driving current changes from the first current amount to the second current amount. The first current amount is a current amount in a state where the driving current is disconnected.
