InGaAs 线阵图像传感器
G11475 至 G11478 系列是一种 InGaAs 线阵图像传感器,设计用于近红外多通道分光光度测定。这些线阵图像传感器由 InGaAs 光电二极管阵列和电荷放大器、偏移补偿电路、移位寄存器和时序发生电路在一个 CMOS 芯片上组成。电荷放大器配置有 CMOS 晶体管阵列,并连接到 InGaAs 光电二极管阵列的各个像素。由于每个像素的信号都在电荷积分模式下读出,因此在近红外区域实现了高灵敏度和稳定操作。这些传感器在高增益下具有比前代产品更高的数据率和更好的线性度特性。采用密封封装,可靠性极佳。CMOS 芯片上的信号处理电路支持使用外部电压从两种可用类型中选择转换效率 (CE)。
影像尺寸 | 12.8 x 0.25 mm |
---|---|
像素尺寸 | 50 x 250 μm |
像素间距 | 50 μm |
像素总数 | 256 像素 |
封装 | 金属 |
散热 | 两级电子冷却型 |
行速率(最大值) | 17200 行/秒 |
灵敏度波长范围 | 900 至 1850 nm |
暗电流(最大值) | 20 pA |
测量条件 | 典型值 Ta = 25°C,除非另有说明,Tchip = -20°C |
Type no. | Image size | Pixel size | Pixel pitch | Number of total pixels | Line rate (max.) | Spectral response range |
---|---|---|---|---|---|---|
G9205-256WB | 12.8 × 0.25 mm | 50 × 250 μm | 50 μm | 256 pixels | 1910 lines/s | 900 to 1850 nm |
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