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| BS520 BS520 s Features 1. Spectral sensitivity characteristics akin to that of human eye 2. Compact flat package -11 3. Low dark current (Id : MAX. 10 A at VR=1V) 4. Infrared light cut-off type Photodiode for Visible Light s Outline Dimensions 6.0+ 0 0.1 ( Unit:mm ) (3.6) 1 0 0.1 s Applications 1. AE ( automatic exposure) system and ES ( electronic shutter ) system for cameras 2. Stroboscopes 3. Precise optical instruments 8.0 2- 0.6 8.0+ - 5.0 2 0.1MAX. 2.2 (3.4) 0.05 0.25 1 0.1 2 Active area : 5.34mm2 1 Anode 2 Cathode s Absolute Maximum Ratings Parameter Reverse voltage Operating temperature Storage temperature *1 Soldering temperature *1 For 5 seconds ( Ta= 25C ) Unit V C C C Symbol VR Topr Tstg Tsol Rating 10 - 20 to + 60 - 30 to + 80 260 s Electro-optical Characteristics *2 *2 ( Ta= 25C ) MIN. 0.40 500 TYP. 0.55 0.02 3 x 10 - 12 4.0 600 560 5 MAX. 0.65 0.06 10 - 11 5.0 1 000 600 10 Unit A % /C A times/ 10C Parameter Short circuit current Short circuit current temperature coefficient Dark current Dark current temperature coefficient Terminal capacitance Peak sensitivity wavelength *3 Spectral sensitivity infrared radiation ratio Symbol ISC T Id T Ct p IR Conditions EV = 100lx EV = 100lx VR= 1V VR= 1V VR= 0, f= 100kHz - 1.4 pF nm % *2 E V : Illuminance by CIE standard light source A( tungsten lamp ) I SC ( >=700nm) x 100% *3 I R = I SC ( entire wavelength ) " In the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that occur in equipment using any of SHARP's devices, shown in catalogs, data books, etc. Contact SHARP in order to obtain the latest version of the device specification sheets before using any SHARP's device. " BS520 Fig. 1 Short Circuit Current vs. Illuminance 10 - 5 5 Fig. 2 Relative Short Circuit Current vs. Ambient Temperature 103 102 Relative short circuit current ( % ) 101 100 99 98 97 96 T a = 25C 10 - 6 5 Short circuit current I SC ( A ) 10 - 7 5 10 - 8 5 10 - 9 5 10 - 10 5 10 - 11 5 10 - 12 10 -3 5 10 - 2 5 10 -1 5 1 5 10 5 10 2 5 10 3 0 10 20 25 30 40 50 60 Illuminance E V ( lx ) Ambient temperature Ta ( C ) Fig. 3 Dark Current vs. Reverse Voltage 10 -9 5 2 Fig. 4 Spectral Sensitivity 100 90 80 70 60 50 40 30 20 10 0 400 T a = 25C Relative sensitivity ( % ) 10 -10 Dark current I d ( A ) 5 2 T a = 60C 50C 40C 30C 10 -11 5 2 500 600 700 800 900 1000 1100 1200 10 -12 5 2 20C Wavelength ( nm ) 10 -13 10 - 3 2 5 10 -2 2 5 10 -1 2 5 10 0 2 5 10 1 Reverse voltage V R ( V ) Fig. 5 Response Time vs. Load Resistance 1000 500 Response time t r , t f ( s ) 200 100 50 20 10 5 2 1 1 2 5 LED BS520 10 20 Output Input RL Output tr 50 100 200 tr , t f Ev= 100lx T a = 25C 10% 90% tf 500 1000 Load resistance R L ( k ) q Please refer to the chapter " Precautions for Use." |
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