CCD linear image sensor


Back-thinned CCD image sensors with electronic shutter function


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
Cooling Non-cooled
Window material Quartz glass
Package Ceramic
Measurement condition Typ. Ta=25 ℃, fc=5 MHz, unless otherwise noted, operating conditions: Typ., Dark current: MPP mode

Spectral response

Dimensional outline (unit: mm)

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