BS520 Photodiode for Visible Light BS520 ■ Features ■ Outline Dimensions 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 6.0+- ( Unit:mm ) 0 0.1 (3.6) φ 8.0+- 5.0 0 0.1 1 ■ Applications 2 8.0 0.05 (3.4) 2 Parameter Reverse voltage Operating temperature Storage temperature *1 Soldering temperature Symbol VR Topr Tstg Tsol 1 Active area : 5.34mm2 1 Anode 1.4± ■ Absolute Maximum Ratings 0.25 0.1MAX. 0.1 2- 0.6 2.2± 1. AE ( automatic exposure) system and ES ( electronic shutter ) system for cameras 2. Stroboscopes 3. Precise optical instruments 2 Cathode ( Ta= 25˚C ) Rating 10 - 20 to + 60 - 30 to + 80 260 Unit V ˚C ˚C ˚C *1 For 5 seconds ■ Electro-optical Characteristics *2 *2 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 I SC βT Id αT Ct λp ∆IR ( Ta= 25˚C ) Conditions E V = 100lx E V = 100lx V R = 1V V R = 1V V R = 0, f= 100kHz - 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 µA % /˚C A times/ 10˚C pF nm % *2 E V : Illuminance by CIE standard light source A( tungsten lamp ) I SC ( µ >=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 Fig. 2 Relative Short Circuit Current vs. Ambient Temperature 10 - 5 103 T a = 25˚C 5 10 - 6 102 Relative short circuit current ( % ) Short circuit current I SC ( A ) 5 10 - 7 5 10 - 8 5 10 - 9 5 10 - 10 5 10 - 11 101 100 99 98 97 5 10 - 12 10 -3 5 10 - 2 5 10 -1 5 1 5 10 5 10 2 96 5 10 3 0 10 Illuminance E V ( lx ) Fig. 3 Dark Current vs. Reverse Voltage Relative sensitivity ( % ) 5 2 Dark current I d ( A ) 10 -10 T a = 60˚C 2 50˚C 10 -11 40˚C 5 30˚C 2 20˚C 10 -12 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 Ev= 100lx T a = 25˚C Response time t r , t f ( µ s ) 500 200 100 tr , t f 50 20 10 5 LED 2 BS520 1 1 2 5 10 20 50 100 90 80 70 60 50 40 30 20 10 0 400 60 T a = 25˚C 500 600 700 800 900 Wavelength λ ( nm ) 5 10 -13 10 - 3 2 40 Fig. 4 Spectral Sensitivity 10 -9 5 20 25 30 Ambient temperature Ta ( ˚C ) Output Input RL Output tr 50 100 200 10% 90% tf 500 1000 Load resistance R L ( k Ω ) ● Please refer to the chapter “ Precautions for Use.” 1000 1100 1200