一种高速线阵CMOS图像传感器设计

A design of high-speed linear array CMOS image sensor

摘要:

提出一种高速线阵CMOS图像传感器电路结构设计。该传感器集成了光信号采集和列并行信号处理功能,同时实现了固定模式噪声消除、编程控制输出信号动态范围调节、10位精度列并行模数信号转换的功能。阵列规模8192×1像元,以100K frame/s的速度输出数字信号。设计采用cadence软件进行了计算机仿真。

Abstract:

A high-speed linear array CMOS image sensor is proposed. The sensor can perform the image capturing and column-parallel signal processing. It outputs digital signal at a frame rate of over 100K frame/s. It can reduce the fixed pattern noise (FPN) and amplify (or shrink) the output signals of the photodiode array to maintain the amplitude of the signal. It can continuously perform 10-bit ADC conversion in column-parallel. A 8192×1 pixel image sensor is simulated on computer by using cadence software.