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s3979 , s3931 , s3932 , S1352 , s3270 hamamatsu provides various types of one-dimensional psd (position sensitive detector) designed for precision distance measurement such as displacement meters. s3979 has a 1 3 mm active area sealed in a to-5 package. s3931 and s3932 have an active area of 1 6 mm and 1 12 mm respectively, and are mounted on a compact ceramic package with a transparent resin window. variant types (s3931-01, s3932-01) with a visible-cut resin window are also available. S1352 and s3270 offer an active area longer than 30 mm, allowing position detection at a long distance. s3270 has a visible-cut resin window, and s3270-01 with a transparent resin window is also available. features l superior position detection ability l high reliability l s3931, s3932: easy to use 4-pin small ceramic package l long and narrow active area S1352: 2.5 34 mm s3270: 1 37 mm applications l displacement sensing l distance measurement l proximity switching psd one-dimensional psd 3 to 37 mm resistance length psd for precision distance measurement 1 general ratings / absolute maximum ratings absolute maximum ratings active area size reverse voltage v r max. operating temperature topr stora g e temperature tstg type no. package window material * 1 (mm) (v) (c) (c) s3979 to-5 k 1 3 s3931 r1 6 s3932 r1 12 S1352 * 2 k2.5 34 -10 to +60 s3270 * 2 ceramic r (b )1 37 20 -10 to +75 -20 to +80 electrical and optical characteristics (typ. ta=25 c, unless otherwise noted) spectral response range peak sensitivity wavelength p photo sensitivity s = p interelectrode resistance rie vb=0.1 v position detection error * 3 e v r =5 v light spot 200 m saturation photocurrent * 4 v r =5 v r l =1 k ? dark current i d v r =5 v temp. coefficient of i d t cid rise time tr v r =5 v r l =1 k ? terminal capacitance ct v r =5 v f=10 khz position resolution * 5 type no. (nm) ( nm ) ( a/w ) min. ( k ? ) t yp . ( k ? ) max. ( k ? ) t yp . ( m ) max. ( m ) (a) typ. (na) max. (na) (times/ c) ( s ) (pf) ( m ) s3979 100 140 180 15 60 40 0.1 5 2.5 20 0.1 s3931 30 120 0.15 10 1.5 40 0.2 s3932 0.55 30 50 80 60 240 100 0.2 20 3.0 80 0.3 S1352 320 to 1100 920 0.6 10 20 30 125 500 250 2 150 0.7 150 2.1 s3270 700 to 1100 960 0.55 10 15 20 100 400 300 0.5 20 1.15 1.0 100 2.8 *1: k: borosilicate glass, r: clear resin coating, r (b): visible-cut resin coating. * 2 : w o r ks w i t h m i c r o s c o p i c sp o t l i gh t de t ec t i on . *3: a range of 75 % of that from the center of the photosensitive surface to the edge. *4: the upper limit of linearity of photocurrent in response to the quantity of light is defined as the point where the lineari ty deviates by 10 %. *5: position resolution this is the minimum detectable light spot displacement. the detection limit is indicated by the distance on the photosensitive surface. the numerical value of the resolution of a position sensor using a psd is proportional to both the length of the psd and the noise of the measuring system (resolution deteriorates) and inversely proportional to the photocurrent (incident energy) of the psd (resolution improves). light source: led (900 nm) photocurrent: 1 a spot light size: 200 m circuit system input noise: 1 v (1 khz) frequency range: 1 khz interelectrode resistance: typical value (refer to the specification table)
one-dimensional psd s3979, s3931, s3932, S1352, s3270 spectral response 300 -0.5 0 +1.0 +2.0 +1.5 +0.5 400 500 600 700 wavelength (nm) temperature coefficient (%/?c) 800 900 1000 1100 (typ.) s3979, s3931, s3932 S1352, s3270 0 0.2 0.4 0.8 0.6 (typ. ta=25 ? c) 400 600 wavelength (nm) photo sensitivity (a/w) 800 1000 s3979 s3931 s3932 S1352 qe=100 % qe=50 % s3270 kpsdb0069ea photo sensitivity temperature characteristics kpsdb0070ea 1 0.1 1 pa 10 pa 100 pa 1 na 10 na 10 100 reverse voltage (v) dark current (typ. ta=25 ? c) S1352 s3270 s3979 s3931 s3932 0.1 1 1 pf 10 pf 100 pf 1 nf 10 nf 10 100 reverse voltage (v) terminal capacitance s3979 s3931 s3932 s3270 S1352 (typ. ta=25 ? c, f=10 khz) dark current vs. reverse voltage kpsdb0071ea terminal capacitance vs. reverse voltage kpsdb0072ea 2
one-dimensional psd s3979, s3931, s3932, S1352, s3270 -6 -4 -2 -5 -3 -1 0 -150 -100 -50 0 +50 +100 +150 +6 +4 +2 +5 +3 +1 position on psd (mm) position detection error ( m m) kpsdb0012eb 0 position on psd +15 +125 -125 position detection error (m) -15 -10 -5 +5 +10 kpsdc0023eb 0 position on psd +20 +100 -100 position detection error (m) -20 -10 -15 -5 +5 +10 +15 0 ?*55&59 l x 1 x 2 active area x * @@
: : ? =@
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@ = 3 .= & 3 = & 6= 3 > ; -1.5 -1.0 -0.5 0 -150 -100 -50 0 +50 +100 +150 +1.5 +1.0 +0.5 position on psd (mm) position detection error ( m m) kpsdb0010eb -3 -2 -1 0 -150 -100 -50 0 +50 +100 +150 +3 +2 +1 position on psd (mm) position detection error ( m m) kpsdb0011eb kpsdc0068ea 9@ # ';3/)*< ;,55<
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:g:# ? ' e( active area 9.2 0.2 5.08 0.2 2.7 13.7 4.1 0.2 8.1 0.1 window 5.9 0.1 photosensitive surface 0.45 lead anode (x2) anode (x1) cathode (common) connected to case x kpsda0007ec +,-, +,+& &+/3 +3-5 +,+3 +,-, 3
one-dimensional psd s3979, s3931, s3932, S1352, s3270 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, http://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, t elephone: 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. ?2005 hamamatsu photonics k.k. cat. no. kpsd1002e03 jul. 2005 dn active area 5.5 0.25 3.0 2.2 42.3 0.4 55 0.5 1.0 1.0 1.4 2.5 0.2 8.5 1.5 photosensitive surface 0.45 0.05 lead 3.75 0.25 40.3 0.4 anode (x1) cathode (common) anode (x2) 5.0 0.2 4.0 (2 ) r2.2 (2 ) r1.1 x 1.7 kpsda0050ea kpsda0048ea 9.2 0.2 5.08 0.3 (4 ) 0.4 4.0 4.8 0.2 active area 0.7 5.08 0.3 (4 )0.25 photosensitive surface 1.5 0.2 cathode (common) anode (x2) cathode (common) anode (x1) x kpsda0049ea kpsda0016ea 4.0 (4 ) 0.4 10.16 0.4 5.08 0.3 active area photosensitive surface 0.7 cathode (common) anode (x2) cathode (common) anode (x1) (4 )0.25 4.8 0.2 1.5 0.2 15.2 0.2 x active area 0.75 t glass 57.0 0.6 0.75 lead (2 ) 2.0 photosensitive surface 19.05 19.05 1.25 5.0 0.2 10.0 51.5 0.5 x 9.0 0.2 anode (x1) cathode ( common ) anode (x2) +,+& +,+3 +3-5 &+/3 4

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