SIR-568ST3F sensors 1/3 infrared light emitting diode, top view type SIR-568ST3F the SIR-568ST3F has the response speed and luminous output necessary for image transmission in audio-visual applications. it can support almost all types of optical transmission through air, including audio and data transmission. the luminous output is 13mw and the cutoff frequency is 50mhz. ! ! ! ! applications transmission of images from a video cassette recorder to a television. transmission of audio signals between audio devices. high speed data transmission. ! ! ! ! features 1) high luminous output 13mw. 2) fast response is possible 50mhz cutoff frequency. ! ! ! ! external dimensions (units : 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 ! ! ! ! absolute maximum ratings (ta = 25 c) parameter symbol p d i f i fp ? v r topr tstg limits ? 25 + 85 ? 40 + 85 100 4.0 230 1.0 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 2/3 ! ! ! ! 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 ! ! ! ! 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 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
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