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GP1UD287XK Datasheet(PDF) 3 Page - Sharp Corporation |
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GP1UD287XK Datasheet(HTML) 3 Page - Sharp Corporation |
3 / 7 page GP1UD26XK Series/GP1UD27XK Series/GP1UD28XK Series/GP1UD28YK Series Fig.1 Internal Block Diagram VOUT VCC GND B.P.F. Demodulator Limiter AMP Integrator Comparator TYP. 100k Ω Fig.2 Transmitter 20cm 10k Ω +5V VOUT Oscilloscope Transmitter (GL521 used) fO=*4 Duty 50% In the above figure, the transmitter should be set so that the output VOUT (peak-to-peak) can be 40m V However, the PD49PI to be used here should be of the short-circuit current ISC =2.6µA at E V =100 lx (EV is an illuminance by CIE standard light source A (tungsten lamp).) s Performance Using the transmitter shown in Fig.2, the output signal of the light detecting unit is good enough to meet the following items in the standard optical system in Fig.3. 1. Linear reception distance characteristics When L=0.2 to 10.0m, *5 EV <10 lx and φ=0˚ in Fig.3, the output signal shall meet the electrical characteristics in the attached list. 2. Sensitivity angle reception distance characteristics When L=0.2 to 7.5m, *5 EV <10 lx and φ≤30˚ in Fig.3, the output signal shall meet the electrical characteristics in the attached list. 3. Anti outer peripheral light reception distance characteristics When L=0.2 to 5.0m, *5,*6 EV ≤ 300 lx and φ=0˚ in Fig.3, the output signal shall meet the electrical characteristics in the attached list. *5 It refers to detector face illuminance *6 Outer peripheral light source: CIE standard light source A shall be used and placed at 45˚ from perpendicular axis at the detector face center |
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