CCD linear image sensor
The S15257-2048 is a back-thinned CCD linear image sensor with an internal electronic shutter for spectrometers. The image sensor uses a resistive gate structure that allows a high-speed transfer. Each pixel has a lengthwise size needed by spectrometers but ensures readout with low image lag. The S15257-2048 features pixels that are long vertically, and have a high aspect ratio of 14 µm × 2500 µm.
-Built-in electronic shutter
-High sensitivity from the ultraviolet region
(spectral response range: 200 to 1000 nm)
-Readout speed: 10 MHz max.
-Image lag: 0.1% typ.
-Light-shielded CCD horizontal shift registers
|Type||With electronic shutter function|
|Image size||28.672 x 2.500 mm|
|Number of effective pixels||2048 x 1 pixels|
|Pixel size||14 x 2500 μm|
|Spectral response range||200 to 1100 nm|
|Line rate (typ.)||2000 lines/s|
|Line rate (max.)||4000 lines/s|
|Dark current (typ.)||20000 e-/pixel/s|
|Readout noise (typ.)||30 e- rms|
|Window material||Quartz glass|
|Measurement condition||Typ. Ta=25 ℃, fc=5 MHz, unless otherwise noted, operating conditions: Typ., Dark current: MPP mode|
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