NMOS linear image sensor
NMOS linear image sensors are self-scanning photodiode arrays designed specifically as detectors for multichannel spectroscopy. The scanning circuit is made up of N-channel MOS transistors, operates at low power consumption and is easy to handle. Each photodiode has a large active area, high UV sensitivity yet very low noise, delivering a high S/N even at low light levels. NMOS linear image sensors also offer excellent output linearity and wide dynamic range. The photodiode of S3904-256Q has a height of 2.5 mm but is arrayed at a spacing of 25 μm. Quartz glass is the standard window material.
|Type||Current output type
|Image size||6.4 x 2.5 mm|
|Number of effective pixels||256 x 1 pixels|
|Pixel size||25 x 2500 μm|
|Spectral response range||200 to 1000 nm|
|Line rate (max.)||7800 lines/s|
|Dedicated driver circuit||C7884, C7884G, C7884-01, C7884G-01, C8892|
|Measurement condition||Typ. Ta=25 ℃, unless otherwise noted
Saturation charge: Vb=2.0 V, Vφ=5.0 V
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