Patent ID: 9641774
Date: 2017-05-02
CPC Classifications: H04N

Claim:
1. A solid-state imaging device comprising: a pixel section in which a plurality of pixels for conducting photoelectric conversion are arranged in matrix; an A/D converter for converting a pixel signal generated in the pixel section from an analog signal to a digital signal in a plurality of pixel units; a ramp generation circuit for generating ramp voltage; and a buffer circuit having an input terminal and an output terminal, the ramp voltage generated in the ramp generation circuit being input to the input terminal and a reference signal having the ramp voltage being output from the output terminal toward the A/D converter, wherein the A/D converter includes: at least the buffer circuit or the ramp generation circuit is provided in plural number, the first input terminal is coupled to a plurality of ramp signal lines, and the reference signal generated from the buffer circuit and the ramp generation circuit is input to the first input terminal from the plurality of ramp signal lines.