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PHOTO IC Photo IC for optical switch S6841, S8119 Photo IC with optical switch functions S6841 and S8119 are specifically designed for optical switches. A transmission mode or reflection mode optical switch can be easily configured when used in combination with an LED. Features Applications * Operation and margin display terminal * Synchronous/asynchronous switching terminal * Output logic switching terminal l Built-in short-circuit protective circuit l S6841: High sensitivity (0.05 W/mm2 Typ.) S8119: Large allowable background light level (10000 lx Typ.) s A b s o lu te m a x im um ra tin g s (Ta = 2 5 C ) P a ra m ete r S ym b o l S u p ply vo ltag e Vcc P o w er d is sip atio n * P Output voltage Terminal AAAE Vout Input voltage Terminal ACE V in O p e ra ting tem pe ra ture T op r S to ra g e tem p e ratu re T s tg S o ld e rin g *1: Derate power dissipation at a rate of 3.3 mW/C above Ta=25 C V a lu e -0.3 to + 7 250 -0.3 to V c c -0 .3 to + 6 -25 to + 6 0 -4 0 to + 10 0 2 3 0 C , 3 s U nit V mW V C C - l Miniature transparent plastic package (4.5 x 5.5 mm) l Having following function at each terminal l Optical switch s E le c tric a l a n d o p tic a l c h a ra c te ris tic s (Ta = 2 5 C , V c c = 5 V , u n le s s o th e rw is e n o te d ) P a ra m ete r S p e c tra l res p on se ra ng e P e a k s e ns itivity w a ve le n g th S u p ply vo ltag e C urre n t c o ns u m p tio n ON O U T te rm ina l o u tpu t c u rre n t OFF Current (LED is on) Current (LED is off) LED terminal output P u ls e c y c le P u ls e w id th P u ls e cycle S ig n al lig ht (in asynchronous mode) P u ls e w id th D S P te rm in a l o u tpu t c u rre nt S e tu p le ve l M R G term in a l O u tp u t c u rrent In p ut L cu rre n t In p ut H c u rren t SW te rm in al In p ut H vo lta ge In p ut L vo ltag e In p ut L cu rre n t In p ut H c u rren t IN V te rm in al In p ut H vo lta ge In p ut L vo ltag e T hre s h o ld lig h t le ve l H ys te risis A llow a b le b a ck g rou n d ligh t le v el P rop a g ation d e la y tim e In p ut s ign al le ve l S yn c h ro nou s A s y nc hron ous S ym b o l l lp Vcc Ic c Io n Io f Ile d n Ile d f T p1 Tw 1 T p2 Tw 2 Id s p M Im rg Is w l Is w h Vswh Vswl Iin vl Iin vh V in v h V in v l Eep H ys Ex T pd 1 o n T pd 1 o f T pd 2 o n T pd 2 o f Eepp C on d itio n M in . 4 .5 60 570 11 2 3 .5 60 4 0 .8 2 .0 2 2 0 .7 3500 S 6 8 41 Typ . 380 to 1120 820 5 .0 5 .0 650 160 5 200 0 .0 5 0 .8 5000 M a x. 5 .5 7 .0 1 .0 725 10 2 08 6 .5 100 6 1 .6 3 .6 100 100 0 .8 100 100 0 .8 0 .1 0 .9 1100 1100 1200 1300 1 M in . 4 .5 60 570 11 2 3 .5 60 4 0 .8 2 .0 2 2 0 .7 6000 - OUT * LED terminals open S O U R C E , Vo u t= 2 .5 V S O U R C E , Vo u t= 0 V S O U R C E , V le d = 2 .5 V S O U R C E , V le d = 0 V * S IN K , V d s p = 1 .0V S IN K , V m rg = 1 .0V S O U R C E , V s w = 0 V S IN K , V s w = 5 V S O U R C E , V in v = 0 V S IN K , V in v= 5V N o b a ck gro u nd lig h t l = 85 0 n m *! * " S h ield to inp u t * " In put to s hie ld S h ie ld to in pu t In p ut to sh ield *# S 8 11 9 Typ . 380 to 1120 820 5 .0 5 .0 650 160 5 200 0 .1 0 .8 10000 650 650 - M a x. 5 .5 7 .0 1 .0 725 10 208 6 .5 100 6 1 .6 3 .6 100 100 0 .8 100 100 0 .8 0 .2 0 .9 900 900 1000 1300 U nit nm nm V mA A A A A s s s s mA % mA A A V V A A V V W/mm lx s s s s W/mm 1 Photo IC for optical switch *2: Pulse cycle, pulse width: See below. Vcc S6841, S8119 to 2.5 V 0.33 F LED 0V Tw Tp 5V 3.8 k GND LED terminal output waveform KPICC0060EA Measurement circuit KPICC0061EA *3: Allowable background light level This is defined as the background light level on the active area at which the photo IC sensitivity* drops by 20 %. * Sensitivity is the reciprocal of light level, which is constantly detected as a signal. If background disturbance light strikes a part on the package (other than the active area) of S6841, this may lower the allowable background light level. Use light-impervious tape to provide light-shielding over the shaded area of the package as shown below. Light-shielding is unnecessary for S8119. ACTIVE AREA LIGHT-SHIELDED AREA KPICC0067EA Light-shielded area (S6841) *4: HL, LH propagation delay time The optical system is adjusted so that the Vo terminal output becomes "Low" voltage when the switch shown in the circuit below is off. (S6841 is then measured with a signal light input of 1 W/mm2 illuminance.) Vs SWITCH LED LED Vcc OUT Vo 0.33 F SENS (OPEN) (OPEN) INV SW GND Vo OUTPUT 1.5 V 5V SWITCH Tpd Tpd ON OFF Measurement circuit *5: This is the input signal light level for the propagation delay time to stay within specifications. If the input signal light exceeds this level, the propagation delay time may increase. KPICC0062EA 2 Photo IC for optical switch s Block diagram S6841, S8119 n Truth table CONSTANT VOLTAGE CIRCUIT TO EACH CIRCUIT COMPARATOR 1 Vcc INV terminal: HIGH Input OUT output DSP output MRG output Light ON ON ON ON Light OFF OFF OFF OFF INV terminal: LOW Input OUT output DSP output MRG output Light ON OFF OFF ON Light OFF ON ON OFF SW terminal High Low Detection Method Synchronous Asynchronous PRE-AMPLIFIER PD BUFFER REF. VOLTAGE COMPARATOR FOR MARGIN DISPLAY SIGNAL PROCESSING CIRCUIT OUTPUT INVERTER CIRCUIT 2 OUTPUT CIRCUIT OUT OUTPUT PROTECTIVE CIRCUIT 3 4 SENS DSP SIGNAL PROCESSING CIRCUIT SW 9 OSCILLATION CIRCUIT TIMING GENERATOR OPERATION DISPLAY OUTPUT CIRCUIT MARGIN DISPLAY OUTPUT CIRCUIT 5 MRG 10 LED DRIVER 6 LED A. GND D. GND INV 8 7 KPICC0048EA s Terminal configuration (100 k) Vcc (50 k) Vcc DSP MRG SW INV GND GND OPERATION DISPLAY TERMINAL MARGIN DISPLAY TERMINAL DETECTION METHOD SWITCHING TERMINAL OUTPUT SWITCHING TERMINAL Vcc LED GND LED TERMINAL KPICC0063EA 3 Photo IC for optical switch S6841, S8119 s OUT terminal and SENS terminal configurations and recommended external short-circuit protective circuit Vreg Z1 OUT TR1 POWER SUPPLY SENS ~ 0.7 V GND R KPICC0064EA s Dimensional outline (unit: mm) ACTIVE AREA o0.53 0.89 0.4 4.6 0.2 (INCLUDING BURR) Y 5.6 0.2 (INCLUDING BURR) 0.56 X 5.4 * 5.4 * 10 1.0 1.5 0.4 4.5 * 7.5 0.3 0.7 0.3 0.25 5 1.5 0.4 PHOTOSENSITIVE SURFACE 0.7 0.3 2.0 Vcc OUT (OUTPUT) SENS (SHORT-CIRCUIT PROTECTIVE INPUT FOR OUTPUT TERMINAL LOAD) DSP (OPERATION DISPLAY) MRG (MARGIN DISPLAY) Tolerance unless otherwise noted: 0.1, 2 Shaded area indicates burr. Chip position accuracy This chip is mounted with the following accuracy with respect to the package dimensions marked * X, Y 0.2 A. GND D. GND INV (OUTPUT LOGIC SWITCHING) SW (SYNCHRONOUS, ASYNCHRONOUS SWITCHING) LED 3 0.75 0.15 0.1 3 5.5 KPICA0020EB 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. (c)2001 Hamamatsu Photonics K.K. 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) 908-231-0960, 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, United Kingdom, Telephone: (44) 1707-294888, Fax: (44) 1707-325777 North Europe: Hamamatsu Photonics Norden AB: Smidesvagen 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 4 Cat. No. KPIC1019E02 Jul. 2001 DN |
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