NMOS 线阵图像传感器
NMOS 线阵图像传感器是专门设计为多通道光谱仪探测器的自扫描光电二极管阵列。扫描电路由 N 通道 MOS 晶体管组成,低功耗操作,易于处理。每个光电二极管都具有大感光面、高紫外灵敏度和极低噪声,即使在低光量条件下也能提供高信噪比。NMOS 线阵图像传感器还提供出色的输出线性度和宽动态范围。S3921-512Q 具有利用视频线的电流积分读出电路,以及阻抗转换电路。输出以取样积分器 (boxcar) 波形提供,支持通过简单的外部电路进行信号读出。S3921-512Q 的光电二极管高度为 2.5 mm,以 50 μm 的间距排列成一排。石英玻璃是标准窗材。
特点
- 利用信号容量和阻抗转换电路(取样积分器波形输出)的内置电流积分读出电路,
- 大感光面
- 高紫外灵敏度,稳定性好
- 低暗电流和高饱和电荷量,可在室温下实现长积分时间和宽动态范围
- 出色的输出线性度和灵敏度空间均匀性
- 低电压,单电源供电
- 起动脉冲、时钟脉冲和视频线复位脉冲兼容 CMOS 逻辑
类型 | 电压输出类型 |
---|---|
影像尺寸 | 25.6 x 2.5 mm |
有效像素数 | 512 x 1 像素 |
像素尺寸 | 50 x 2500 μm |
光谱响应范围 | 200 至 1000 nm |
行速率(最大值) | 975 行/秒 |
制冷 | 非冷却型 |
窗材 | 石英 |
封装 | 陶瓷 |
测量条件 | 典型值 Ta = 25°C,除非另有说明 饱和电荷量:复位 V = 2.5 V,Vdd = 5.0 V,Vφ = 5.0 V |
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