S4506 incorporates a 4-element photodiode array that provides 2-phase digital output in response to the input light status. pho tointerrupters with encoder functions can be easily configured by using S4506. features l 2-phase (phases a and b) digital output l integrated with 4-element photodiode (pitch: 0.39 mm) l direct ttl connection l miniature plastic package applications l encoders for office machine, robots, and nc machines photo ic photo ic for encoder photo ic for photointerrupters with encoder functions S4506 absolute maximum ratings (ta=25 c) parameter symbol value unit supply voltage vcc -0.5 to +7 v output current i o 20 ma power dissipation * 1 po 250 mw operating temperature topr -30 to +80 c storage temperature tstg -40 to +85 c soldering - 230 c, 5 s, at least 1.8 mm away from package surface - *1: derate power dissipation at a rate of 3.3 mw/c above ta=25 c electrical and optical characteristics (ta =25 c, vcc=5 v, unless otherwise noted) parameter symbol condition min. typ. max. unit supply voltage vcc 4.5 -5.5 v low level output voltage v ol i ol =8 ma - 0.1 0.4 v high level output voltage v oh i oh =0 ma 4.5 --v i ccl v oa =v ob = l - 6 12 ma current consumption i cch v oa =v ob = h -3 12 ma peak sensitivity wavelength p - 870 - nm slit moveme nt speed vp ev=200 lx * 2 * 3 -- 10,000 slit/s d a duty ratio * 4 d b ev=200 lx * 2 f=2.5 khz 35 50 65 % phase difference ab f=2.5 khz, ev=200~700 lx * 2 60 90 120 deg transfer characteristics threshold illuminance * 5 e vd a light source, f=2.5 khz - 30 120 lx *2: ev is illuminance emitted from a cie standard a light source (tungsten lamp). *3: a collimated light source and a recommended slit moving at a constant speed are used. [delay time between the instant that the slit passes through the output transition position and the actual output transition should be less than 1/8 of the slit cycle.] *4: see next page. *5: minimum illuminance from an a light source when the duty ratio of phases a and b is between 35 and 65 %. 1
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, 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. photo ic for encoder S4506 cat. no. kpic1004e02 aug. 2001 dn 5.2 ?0.3 (including burr) center of active area 5.2 ?0.3 (including burr) (specified at the lead root) photosensitive surface v oa vcc gnd v ob 2.0 (depth 0.15 max.) 1.0 (depth 0.15 max.) 2.5 ?0.2 5.0 2.5 ?0.2 5.0 16.5 ?1.0 (0.8) (1.0) (1.27) (1.27) (1.27) 10? 5? 0.7 ?0.15 10? 5? 0.25 +0.15 -0.1 0.55 0.45 1.0 2.0 tolerance unless otherwise noted: ?.1, ?? shaded area indicates burr. values in parentheses are not guaranteed, but for reference ; 1(
e&!!*>6; 3
(
: mm) e&!!*6 details of photodiodes (unit: mm) e&!!*,63 recommended slit (unit: mm) e&!!*.6; %
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outputs v oa and v ob change as shown when the slit is moved to the right at a constant speed from the position shown on the left figure. e&!!*6 - + + - v oa pd 1 p 1 v ob pd 3 gnd pd 2 pd 4 i2 i4 i1 i3 vcc p 2 p 3 p 4 photodiode pre-amplifier hysteresis comparator output circuit constant voltage circuit input output v oa v ob l l h h l h l h p 1 < p 3 p 1 < p 3 p 1 > p 3 p 1 > p 3 p 2 > p 4 p 2 < p 4 p 2 > p 4 p 2 < p 4 recommended slit hole * 0.31 0.41 pd 1 pd 2 pd 3 pd 4 * recommended slit holes for uniform collimated light 1.56 0.78 0.39 1.56 0.78 slit active area light source: collimated light led t bh t bp t ah t ap position on left figure v ob v oa "l" "h" phase b =360 ? phase difference ab phase a =360 ? duty ratio d a = t ah t ap duty ratio d b = t bh t bp 100 100 2
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