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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. s3901/s3904-f series are current-output type nmos linear image sensors with fiber optic windows and feature superior output lin earity and wide dynamic range. the fiber optic windows allow efficient optical coupling to an image device such as image intensifiers suitable for low-light-level detection. the photodiodes of s3901-f series have a height of 2.5 mm and are arrayed in a row at a spacing of 50 ?. the photodiodes of s3 904-f series also have a height of 2.5 mm but are arrayed at a spacing of 25 ?. the photodiodes are available in 2 different pixel quantiti es for each series: 256 (S3901-256F), 512 (s3901-512f, s3904-512f), 1024 (s3904-1024f). hamamatsu also provides s3902/s3903-f series having a pixel height of 0.5 mm. features l wide active area pixel pitch: 50 ? (s3901-f series) 25 ? (s3904-f series) pixel height: 2.5 mm l low dark current and high saturation charge allow a long integration time and a wide dynamic range at room temperature l excellent output linearity and sensitivity spatial uniformity l lower power consumption: 1 mw max. l start pulse and clock pulses are cmos logic compatible applications l multichannel spectrophotometry l image readout system image sensor nmos linear image sensor nmos linear image sensors with fiber optic windows s3901/s3904-f series 2.5 mm s3901-f series: a=50 ?, b=45 ? s3904-f series: a=25 ?, b=20 ? b a 1.0 ? 1.0 ? 400 ? oxidation silicon n type silicon p type silicon fiber optic plate vss start st clock clock 1 2 active photodiode saturation control gate saturation control drain dummy diode dummy video active video end of scan digital shift re gister (mos shift re gister)

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nmos linear image sensor s3901/s3904-f series 0.3 0.2 0.1 0 200 400 600 800 1000 1200 wavelength (nm) photo sensitivity (a/w) (ta=25 ?c) 10 5 10 2 10 1 10 0 10 1 10 2 10 3 10 4 10 3 10 2 10 1 10 0 output charge (pc) exposure ( lx s) (typ. vb=2 v, v =5 v, light source: 2856 k) saturation charge s3904-f series s3901-f series saturation charge kmpdb0173ea spectral response (typical example) output charge vs. exposure kmpdb0099eb
hamamatsu photonics k.k., solid state division 1126-1 ichino-cho, higashi-ku, hamamatsu city, 435-8558 japan, telephone: (81) 53-434-3311, fax: (81) 53-434-5184, www.hamamatsu.com u.s.a.: hamamatsu corporation: 360 foothill road, p.o.box 6910, bridgewater, n.j. 08807-0910, u.s.a., telephone: (1) 908-231-0 960, fax: (1) 908-231-1218 germany: hamamatsu photonics deutschland gmbh: arzbergerstr. 10, d-82211 herrsching am ammersee, germany, telephone: (49) 08152 -3750, fax: (49) 08152-2658 france: hamamatsu photonics france s.a.r.l.: 19, rue du saule trapu, parc du moulin de massy, 91882 massy cedex, france, telephone: 33-(1) 69 53 71 00, fax: 33-(1) 69 53 71 10 united kingdom: hamamatsu photonics uk limited: 2 howard court, 10 tewin road, welwyn garden city, hertfordshire al7 1bw, unit ed kingdom, telephone: (44) 1707-294888, fax: (44) 1707-325777 north europe: hamamatsu photonics norden ab: smidesv ? gen 12, se-171 41 solna, sweden, telephone: (46) 8-509-031-00, fax: (46) 8-509-031-01 italy: hamamatsu photonics italia s.r.l.: strada della moia, 1/e, 20020 arese, (milano), italy, telephone: (39) 02-935-81-733, fax: (39) 02-935-81-741 information furnished by hamamatsu is believed to be reliable. however, no responsibility is assumed for possible inaccuracies or omissions. specifications are subject to change without notice. no patent rights are granted to any of the circuits described herein. ?200 1 hamamatsu photonics k.k. nmos linear image sensor s3901/s3904-f series cat. no. kmpd1003e03 oct. 2005 dn nc nc nc nc nc nc nc nc nc nc end of scan 1 2 3 4 5 6 7 8 9 10 11 22 21 20 19 18 17 16 15 14 13 12 2 1 st vss vscg nc vscd vss active video dummy video vsub vss, vsub and nc should be grounded. 0.51 25.4 2.54 3.0 active area 12.8 2.5 6.4 0.3 31.75 10.4 5.4 0.2 5.0 0.2 0.25 10.16 photosensitive surface 31.2 9.8 10.0 3.0 0.51 25.4 40.0 9.8 10.0 3.0 3.0 40.6 10.4 5.4 0.2 5.0 0.2 12.8 0.3 active area 25.6 2.5 0.25 10.16 photosensitive surface 2.54 dimensional outlines (unit: mm) S3901-256F, s3904-512f kmpda0093ea s3901-512f, s3904-1024f kmpda0094ea kmpdc0056ea pin connection

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