NMOS linear image sensor


NMOS linear image sensors with fiber optic windows

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 sensitivity yet very low noise, delivering a high S/N even at low light levels. S3904-1024F is a current-output type NMOS linear image sensor with a fiber optic window and features superior output linearity and wide dynamic range. The fiber optic window allows efficient optical coupling to an image device such as image intensifiers suitable for low-light-level detection. The photodiode of S3904-1024F has a height of 2.5 mm and is arrayed in a row at a spacing of 25 μm.

- Wide active area
- Low dark current and high saturation charge allow a long integration time and a wide dynamic range at room temperature
- Excellent output linearity and sensitivity spatial uniformity
- Lower power consumption: 1 mW max.
- Start pulse and clock pulses are CMOS logic compatible

Type Current output type
(With FOP)
Image size 25.6 x 2.5 mm
Number of effective pixels 1024 x 1 pixels
Pixel size 25 x 2500 μm
Spectral response range 360 to 1000 nm
Line rate (max.) 1950 lines/s
Cooling Non-cooled
Window material Fiber optic plate
Package Ceramic
Dedicated driver circuit
Measurement condition Typ. Ta=25 ℃, unless otherwise noted
Saturation charge: Vb=2.0 V, Vφ=5.0 V

Spectral response

Dimensional outline (unit: mm)

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