Patent ID: 8154480

Claim:
A photoelectric conversion device comprising: a photoelectric conversion element; a first transistor configured to refer an illuminance-current generated at the photoelectric conversion element; a first output generation circuit; a second output generation circuit; a load resistor; and an output terminal, wherein the photoelectric conversion element is electrically connected to the first transistor, wherein the first output generation circuit and the second output generation circuit each includes a second transistor and an internal resistor electrically connected in series, and a first terminal of the internal resistor is electrically connected to a first electrode of the second transistor, wherein a gate electrode of the first transistor is electrically connected to a gate electrode of each of the second transistors, wherein a second terminal of each of the internal resistors is electrically connected to a first terminal of the load resistor, wherein a first electrode of the first transistor and a second electrode of each of the second transistors are electrically connected to a first power supply line, wherein a second terminal of the load resistor is electrically connected to a second power supply line, wherein the first terminal of the load resistor is electrically connected to the output terminal, and wherein ratios of a channel length L to a channel width W, α=W/L, of the second transistors are different from each other.