sir-568st3f sensors rev.a 1/3 infrared light emitting diode, top view type sir-568st3f the sir-568st3f has the response speed and luminous outp ut necessary for image transmission in audio-visual applications. it can support almost all types of optical transm ission through air, including audio and data transmission. the luminous output is 13mw and the cutoff frequency is 50mhz. z applications transmission of images from a video cassette recorder to a television. transmission of audio signals between audio devices. high speed data transmission. z features 1) high luminous output 13mw. 2) fast response is possible 50mhz cutoff frequency. z dimensions (unit : mm) 2 ? 0.5 min.24 8.7 0.3 2.5 1 max.1 1 5.0 0.2 6 0.3 (2.5) 4 ? 0.6 notes: 1. unspecified tolerance shall be 0.2 . 2. dimension in parenthesis are show for reference. 1 1 anode 2 2 cathode z absolute maximum ratings (ta = 25 c) parameter symbol p d i f i fp ? v r topr tstg limits ? 25 to + 85 ? 40 to + 85 100 4.0 230 0.5 unit ma v mw a c c ? pulse width = 0.1 msec, duty ratio 1% forward current reverse voltage power dissipation pulse forward current operating temperature storage temperature
sir-568st3f sensors rev.a 2/3 z electrical and optical characteristics (ta = 25 c) parameter symbol p o i e v f i r p ? 1/2 min. ? 18 ? ? ? ? ? typ. max. ? ? 2.1 10 ? ? ? unit mw i f = 50ma i f = 50ma i f = 50ma v r = 2v i f = 20ma i f = 20ma i f = 50ma mw/sr v a nm nm deg fc ?? i f = 30ma dc + 20ma p-p mhz tr ?? i f = 50ma ns tf ? 13 38 1.6 ? 850 40 13 50 8.0 6.0 ? i f = 50ma ns conditions optical output emitting strength forward voltage reverse current peak light emitting wavelength spectral line half width half-viewing angle rise time fall time cut-off frequency response time z electrical and optical characteristic curves ? 25 0 20 40 60 80 100 20 80 100 120 60 40 0 ambinet temperature : ta ( c) forward current : i f (ma) fig.1 forward current falloff fig.2 forward current vs. forward voltage forward current : i f (ma) forward voltage : v f (v) 0.2 0 10 20 30 40 50 0.4 0 0.6 0.8 1.0 1.2 1.4 2.0 1.6 1.8 75 c 50 c 25 c 0 c ? 25 c relative optical output : po (%) optical wavelength : ( nm) 780 840 900 0 1.0 0.5 ta=25 c i f =20ma fig.3 wavelength characteristics forward current ( ma) 10 100 1000 1 10 100 500 emitting strength : i e ( mw / sr) ta=25 c tw=100 sec t=10msec fig.4 emitting strength vs. forward current fig.5 relative emitting strength vs. ambient temperature ambinet temperature : ta ( c) 0 ? 25 25 50 75 100 300 100 50 10 relative emitting strength : i e (%) frequency : f (mhz) 1 2 4 10 20 40 100 ? 6 ? 4 ? 2 0 gain : (db) fig.6 frequency characteristics
sir-568st3f sensors rev.a 3/3 0 20 40 60 80 100 relative emitting strength (%) angular displacement : ( deg) relative emitting strength (%) 10 0 0 100 80 60 40 20 20 30 40 50 60 70 80 90 10 20 30 40 50 60 70 80 90 fig.7 directional pattern
appendix appendix1-rev1.1 the products listed in this document are designed to be used with ordinary electronic equipment or devices (such as audio visual equipment, office-automation equipment, communications devices, electrical appliances and electronic toys). should you intend to use these products with equipment or devices which require an extremely high level of reliability and the malfunction of with would directly endanger human life (such as medical instruments, transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other safety devices), please be sure to consult with our sales representative in advance. notes no technical content pages of this document may be reproduced in any form or transmitted by any means without prior permission of rohm co.,ltd. the contents described herein are subject to change without notice. the specifications for the product described in this document are for reference only. upon actual use, therefore, please request that specifications to be separately delivered. application circuit diagrams and circuit constants contained herein are shown as examples of standard use and operation. please pay careful attention to the peripheral conditions when designing circuits and deciding upon circuit constants in the set. any data, including, but not limited to application circuit diagrams information, described herein are intended only as illustrations of such devices and not as the specifications for such devices. rohm co.,ltd. disclaims any warranty that any use of such devices shall be free from infringement of any third party's intellectual property rights or other proprietary rights, and further, assumes no liability of whatsoever nature in the event of any such infringement, or arising from or connected with or related to the use of such devices. upon the sale of any such devices, other than for buyer's right to use such devices itself, resell or otherwise dispose of the same, no express or implied right or license to practice or commercially exploit any intellectual property rights or other proprietary rights owned or controlled by rohm co., ltd. is granted to any such buyer. products listed in this document are no antiradiation design. about export control order in japan products described herein are the objects of controlled goods in annex 1 (item 16) of export trade control order in japan. in case of export from japan, please confirm if it applies to "objective" criteria or an "informed" (by miti clause) on the basis of "catch all controls for non-proliferation of weapons of mass destruction.
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