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PHOTOREFLECTOR
Light modulation photoreflector
P6448
Compact module combining light modulation photo IC and infrared LED
P6448 is a photoreflector consisting of a light modulation photo IC and an infrared LED, etc. The light modulation photo IC allows reliable operation even under background disturbance light.
Features
Applications
l Compact size (35 x 10 x 17 mm) l Detection distance: 30 cm Typ. l Allowable background light level: 2000 lx Min.
l Reflective optical switches
s Absolute maximum ratings (Ta=25 C)
Parameter Supply voltage Output current Output voltage Operating temperature Storage temperature Parameter Supply voltage Symbol Vcc Io Vo Topr Tstg Symbol Vcc Icc VOL VOH
Value -0.5 to +7 50 -0.5 to +12 -20 to +60 -30 to +85 Condition Min. 4.75 4.5 Typ. 80 0.15 Max. 5.25 11 200 0.4 -
Unit V mA V C C Unit V mA mA V V
s Electrical and optical characteristics (Ta=25 C, Vcc=5 V, unless otherwise noted)
Vo open, no emission During LED emission IOL=16 mA RL=4.7 k (connected between Vcc-Vo) Reflective paper with reflectivity of 90 %
Current consumption Low level output voltage High level output voltage
Maximum detectable d 200 300 mm distance *1 Emission light pulse cycle tc 130 s Emission light pulse width tw 8 s HL Propagation delay time tPHL 1 ms LH Propagation delay time 1 ms tPLH Allowable background Background light: A Ex 2000 lx light level light source *2 3 Hysteresis * Hys 0.45 0.65 0.95 *1: Distance between P6448 and reflective paper (reflectivity 90 %) when the photo IC output level changes to L while bringing the paper close to P6448 operated with H level output. (The photo IC has hysteresis characteristics, so the distance when the output changes from L to H is longer than that when the output changes from H to L.) *2: No direct light source within field of view. ELH *3: Hysteresis: EHL ELH: Input signal level at which the output changes fromL to H level. EHL: Input signal level at which the output changes fromH to L level.
Light modulation photoreflector
s Dimensional outline (unit: mm)
P6448
5
CENTER OF LIGHT EMISSION
CENTER OF ACTIVE AREA
3.2
(10.6) 31.5 0.5 23.5 0.5
(9)
7.6 0.5
10
5
4
4.5 0.5
4
5.1
3.1 0.5
2
15 0.5
3.0
Vcc Vo GND Tolerance unless otherwise noted: 0.2 Values in parentheses are not guaranteed, but for reference.
KPCA0001EA
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, Hamamatsu City, 435-8558 Japan, Telephone: (81) 053-434-3311, Fax: (81) 053-434-5184, 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.: 8, 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
Cat. No. KPC1002E01 Mar. 2001 DN

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