← 返回 JSSC 论文列表JSSC 2014第10期Image Sensors0.18μmCMOS Image Sensor
A 125 inch VGA 400 fps CMOS Image Sensor With High Sensitivity for Machine Visio
一款用于机器视觉的高灵敏度400帧/秒CMOS图像传感器
640×480分辨率，8.7×8.22μm²像素尺寸，36.5V/lux·s灵敏度，15.6e-噪声，0.55%FPN
CMOS图像传感器机器视觉高帧率全局快门电容跨阻放大器
▸采用简化像素电路实现最小尺寸CTIA像素
▸新型多层MOM电容器实现高灵敏度无需校准
▸像素级CDS技术降低噪声
Abstract
Machine vision requires C MOS image sensors (CISs)
with high frame rate, short exposure time, and fine spatial res-
olution. Recently, capacitive transimpedance ampli fier (CTIA) is
used in the high-speed pixel circui t to achieve high sensitivity by
expediting the charge transfer from the photodiode to a tiny inte-
gration capacitor ( ). Existing CTIA pixel designs have large
pixel sizes due to the multiple sampling capacitors and switches for
global shutter and CDS, which unfavorably limits the