RPI-222 sensors photointerrupter, double-layer mold type RPI-222 the RPI-222 is an ultra-small size, double-layer mold photointerrupter. ! ! ! ! application optical control equipment cameras floppy disk drives digital video disc ! ! ! ! features 1) ultra-small. 2) minimal influence from stray light. 3) low collector-emitter saturation voltage. ! ! ! ! external dimensions (units : mm) 2-r0.3 optical axis center 2.6 (0.4) (0.2) 4.9 0.3 2 ? 0.5 2 ? 0.4 2 ? 0.2 (4) 2.3 3.3 (2) a a' 2.0 0.3 gap min.5 c0.7 1 0.5 1 (1.5) notes : 1. unspecified tolerance shall be 0.2. 2. dimension in parenthesis are show for reference. cathode emitter anode collector ! ! ! ! absolute maximum ratings (ta=25 c) parameter forward current reverse voltage power dissipation collector-emitter voltage emitter-collector voltage collector current collector power dissipation operating temperature input (led) output (photo- transistor) storage temperature symbol i f v r p d v ceo v eco i c p c topr tstg limits 50 5 80 30 4.5 30 80 ? 25 + 85 ? 30 + 85 unit ma v mw v v ma mw ?c ?c
RPI-222 sensors ! ! ! ! electrical and optical characteristics (ta=25 c) input characteristics output characteristics transfer characteristics parameter forward voltage reverse current dark current peak sensitivity wavelength collector current collector-emitter saturation voltage response time symbol v f i r i ceo p i c tr tf v ce (sat) min. ? ? ? ? 0.18 ? ? typ. 1.3 ? ? 800 0.3 ? 10 ? max. 1.6 10 0.5 ? 0.95 0.4 unit vi f = 50ma v r = 5v v ce = 10v ? v ce = 5v, i f = 10ma v cc = 5v, i f = 20ma, r l = 100 ? i f = 20ma, i c = 0.1ma a a nm ma v conditions s ! ! ! ! electrical and optical characteristic curves power dissipation / collector power dissipation : p d /p c (mw) ambient temperature : ta ( ? c) fig.1 power dissipation / collector power dissipation vs. ambient temperature ? 20 0 20 p d p c 40 60 80 100 0 20 40 60 80 100 120 forward current : i f (ma) forward voltage : v f (v) fig.2 forward current vs. forward voltage 0.4 0.6 0.8 0.2 1.0 1.2 1.4 1.6 1.8 0 ? c 25 ? c 50 ? c 75 ? c 0 50 40 30 20 10 ? 25 ? c collector current : i c (ma) forward current : i f (ma) fig.3 collector current vs. forward current 040 30 10 20 50 0 1.0 2.0 dark current : i ceo (na) ambient temperature : ta ( c) fig.4 dark current vs. ambient temperature ? 25 0 25 50 75 100 0.1 1 10 100 1000 v ce =30v v ce =20v v ce =10v relative collector current : i c (%) ambient temperature : ta ( c) fig.5 relative output vs. ambient temperature ? 40 ? 20 0 20406080100 0 20 40 60 80 100 120 160 140 relative collector current : i c (%) distance : d (mm) fig.6 relative output current vs. distance ( ) 0.5 0 1.0 1.5 2.0 2.5 0 20 40 60 80 100 d t = 0.6 mm
RPI-222 sensors relative collector current : i c (%) distance : d (mm) fig.7 relative output current vs. distance ( ? ) 0.5 0 1.0 1.5 2.0 2.5 0 20 40 60 80 100 d t = 0.6 mm relative time : t r ,t f ( s) collector current : i c (ma) fig.8 response time vs. output current 100 0.1 1 10 1 10 100 1000 ta = 25 c v cc = 5v r l = 1k ? r l = 500 ? r l = 100 ? ? 20 0 20 40 60 80 100 10 50 40 30 20 0 ambient temperature : ta ( c) forward current : i f (ma) fig.9 forward current falloff collector current : i c (ma) collector ? emitter voltage : v ce (v) fig.10 output characteristics 48 610 2 0 0 1.5 3.0 i f = 50ma 40ma 30ma 20ma 10ma t d t r t f 10% 90% r l v cc input input output output t d : delay time t r : rise time (time for output current to rise from 10% to 90% of peak current) t f : fall time (time for output current to fall from 90% to 10% of peak current) fig.11 response time mesurement circuit
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