BS120 Photodiode for Visible Light BS120 ■ Features ■ Outline Dimensions 1. Spectral sensitivity characteristics akin to that of human eye 2. Compact flat package 3. Low dark current( Id : MAX. 10 - 11A at VR = 1V) 4. Infrared light cut-off type ( Unit: mm ) 5.0± 0.2 3 1.0 3 φ 5.9± 0.2 Element 8.0± 1 ■ Applications 0.6 1. AE ( automatic exposure) system and ES ( electronic shutter ) system for cameras 2. Stroboscopes 3. Precise optical instruments 2 1 2 Parameter Reverse voltage Operating temperature Storage temperature *1 Soldering temperature Symbol VR T opr T stg T sol 1.8± 0.25 1 Anode Active area : 1.55mm2 ■ Absolute Maximum Ratings 0.1 Infrared light cut-off filter 0.55 0.2MAX. 2.54 2 Cathode ( Ta= 25˚C ) Rating 10 -20 to + 60 -30 to + 80 260 Unit V ˚C ˚C ˚C *1 For 10 seconds ■ Electro-optical Characteristics *2 Parameter Short circuit current *2 Short circuit current temperature coefficient Dark current Dark current temperature coefficient Terminal capacitance Peak sensitivity wavelength *4 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= 1MHz - MIN. 0.14 - 0.03 500 - TYP. 0.16 0.02 3 x 10- 12 3.5 560 6 MAX. 0.21 0.07 10 -11 5.0 500 600 10 Unit µA % /˚C A *3 times/10˚C pF nm % *2 E V : Illuminance by CIE standard light source A( tungsten lamp ) *3 times/10˚C I SC ( λ >= 700nm) x100% *4 ∆ I R = I SC ( full 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. ” BS120 Fig. 1 Short Circuit Current vs. Illuminance 10 - 5 Fig. 2 Relative Short Circuit Current vs. Ambient Temperature 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 Illuminance E 5 102 96 5 103 Relative sensitivity ( % ) 5 2 Dark current I d ( A ) 10 - 10 T a = 60˚C 50˚C 2 40˚C 5 30˚C 2 100 90 80 70 60 50 40 30 20 10 0 400 40 50 60 T a = 25˚C 500 20˚C 10 -12 20 25 30 Fig. 4 Spectral Sensitivity 10 - 9 10 -11 10 Ambient temperature Ta ( ˚C ) Fig. 3 Dark Current vs. Reverse Voltage 5 0 V (r x ) 600 700 800 900 1000 1100 1200 Wavelength λ ( nm ) 5 2 10 -13 10- 3 2 5 10-2 2 5 10-1 2 5 1 2 5 10 Reverse voltage V R ( V ) Fig. 5 Response Time vs. Load Resistance 1000 T a = 25˚C Response time t r , t f ( µ s ) 500 Test Circuit for Response Time 200 100 Infrared LED BS120 Output 50 tr, t Input f 20 RL 10 90% Output 5 1 10% Pulse generator 2 tr 1 2 5 10 20 50 100 200 500 1000 Load resistance RL ( k Ω ) ● Please refer to the chapter “Precautions for Use.” tf Application Circuits NOTICE ●The circuit application examples in this publication are provided to explain representative applications of SHARP devices and are not intended to guarantee any circuit design or license any intellectual property rights. SHARP takes no responsibility for any problems related to any intellectual property right of a third party resulting from the use of SHARP's devices. ●Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device. SHARP reserves the right to make changes in the specifications, characteristics, data, materials, structure, and other contents described herein at any time without notice in order to improve design or reliability. Manufacturing locations are also subject to change without notice. ●Observe the following points when using any devices in this publication. SHARP takes no responsibility for damage caused by improper use of the devices which does not meet the conditions and absolute maximum ratings to be used specified in the relevant specification sheet nor meet the following conditions: (i) The devices in this publication are designed for use in general electronic equipment designs such as: --- Personal computers --- Office automation equipment --- Telecommunication equipment [terminal] --- Test and measurement equipment --- Industrial control --- Audio visual equipment --- Consumer electronics (ii)Measures such as fail-safe function and redundant design should be taken to ensure reliability and safety when SHARP devices are used for or in connection with equipment that requires higher reliability such as: --- Transportation control and safety equipment (i.e., aircraft, trains, automobiles, etc.) --- Traffic signals --- Gas leakage sensor breakers --- Alarm equipment --- Various safety devices, etc. (iii)SHARP devices shall not be used for or in connection with equipment that requires an extremely high level of reliability and safety such as: --- Space applications --- Telecommunication equipment [trunk lines] --- Nuclear power control equipment --- Medical and other life support equipment (e.g., scuba). ●Contact a SHARP representative in advance when intending to use SHARP devices for any "specific" applications other than those recommended by SHARP or when it is unclear which category mentioned above controls the intended use. ●If the SHARP devices listed in this publication fall within the scope of strategic products described in the Foreign Exchange and Foreign Trade Control Law of Japan, it is necessary to obtain approval to export such SHARP devices. ●This publication is the proprietary product of SHARP and is copyrighted, with all rights reserved. Under the copyright laws, no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, for any purpose, in whole or in part, without the express written permission of SHARP. Express written permission is also required before any use of this publication may be made by a third party. ●Contact and consult with a SHARP representative if there are any questions about the contents of this publication. 115