optic receiver module [ta=25 ? ] [ta=25 ? , vcc=5.0v(vcc=3.0v)] *1. it specifies the maxmum distance between emitter and detector that the output wave form satisfies the standard under the conditions below against the standard transmitter. 1) measuring place : indoor without extreme reflection of light 2) ambient light sourc e : detecting surface illumination shall be irradiate 200 ?? 50lx under ordinary white fluorescence lamp without high frequency lightning 3) standard transmitter : burst wave of standard transmitter shall be arranged to 50mvp-p under the measuring circuit 1/2 model no. b.p.f center frequency( ? ) soldering temperature tsol 260 ? storage temperature tstg -20 ~ +75 ? operating temperature topr -10 ~ +60 ? ksm-90 ? t m1y parameter symbol ratings unit supply voltage vcc 6.0 v output form ksm-905 t m1y 56.9 parameter symbol condition active low output min. typ. ksm-901 t m1y 40.0 ksm-902 t m1y 36.7 ksm-903 t m1y 37.9 ksm-904 t m1y 32.7 max. unit recommended supply voltage vcc (max 5 sec) 2.7 - 5.5 v current consumption icc no signal input - 1.0 1.2 ? peak wavelength *1 ? p - 940 - ? b.p.f center frequency fo - 37.9 - ? 4.5(2.8) l m 12 - - 10 - ?? 30 a - transmission distance *1 250 ?? 50lx 0 a high level output voltage *1 v oh 30cm over v low level output voltage *1 v ol the ray axis - 0.1 0.5 v 5.0(3.0) - high level output pulse width *1 t wh burst wave=600 ? 400 600 700 ? low level output pulse width *1 t wl period = 1.2 a 500 600 800 ? the ksm-90 ? t m1y consist of a pin photodiode of high speed and a preamplifier ic in the package as an receiver for infrared remote control systems features y wide angle design y wide supply-voltage range : 2.7v to 5.5v y shielded against electrical field disturbance y high immunity against ambient light disturbances (logic controller adaptation) y available for carrier frequencies between 32.7khz to 56.9khz y ttl and cmos compatible applications y audio & video applications (tv, vtr, audio, dvdp, cdp) y home appliances (air conditioner, computer, camcoder) y wireless toys y remote control equipment maximum ratings electro-optical characteristics dimensions b.p.f center frequency 0 . 5
o p t i c r e c e i v e r m o d u l e * 1 r e c o m m e n d e d c i r c u i t d e s c r i p t i o n 1 ) t r a n s m i t t e r ( i r e d ) d r i v e c u r r e n t : i f p = 3 0 0 m a p - p ~ 6 0 0 m a p - p 2 ) r - c d e c o u p l i n g f i l t e r w i t h l o w e r c u t - o f f f r e q u e n c y : r = 1 0 0 ? , c = 4 7 t ? f c = 1 / 2 e r c = 3 3 . 9 h z 3 ) e x t e r n a l p u l l - u p r e s i s t o r ( o p t i o n a l ) : 1 0 k ? o v e r 2 / 2 k s m - 9 0 ? t m 1 y ? m e a s u r i n g m e t h o d [ t a = 2 5 ? ] t r a n s m i t t e r o u t p u t c a r r i e r f r e q u e n c y ( f o ) d u t y 5 0 % r e m o c o n o u t p u t p u l s e t w l t h l 6 0 0 u s 6 0 0 u s s t a n d a r d t a n s m i t t e r 2 5 c m 1 0 t v o u t 1 0 ? 1 0 ? + 5 v t r a n s m i t t e r a r r i v a l d i s t a n c e : l v o u t v cc gnd o s c : i n d i c a t e s h o r i z o n t a l a n d v e r t i c a l d i r e c t i o n s o u t p u t p u l s e w i d t h s t a n d a r d t r a n s m i t t e r t e s t m e t h o d o f t r a n s m i s s i o n d i s t a n c e ? t y p i c a l c h a r a c t e r i s t i c s c u r v e [ t a = 2 5 ? ] r e l a t i v e r e c e p t i o n d i s t a n c e v s . s u p p l y v o l t a g e r e l a t i v e r e c e p t i o n d i s t a n c e v s . a m b i e n t t e m p e r a t u r e r a d i a n t p a t t e r n ? s t a n d a r d a p p l i c a t i o n c i r c u i t w i t h r - c d e c o u p l i n g f i l t e r t r a n s m i t t e r v c c g n d v cc gnd vou t m i c o m c r r e c e i v e r m o d u l e r p 0 2 0 4 0 6 0 8 0 1 0 0 2 . 5 3 . 0 3 . 5 4 . 0 4 . 5 5 . 0 5 . 5 s u p p l y v o l t a g e v c c r e l a t i v e r e c e p t i o n d i s t a n c e [ % ] [ v ] 0 2 0 4 0 6 0 8 0 1 0 0 1 2 0 - 1 0 0 1 0 2 0 3 0 4 0 5 0 a m b i e n t t e m p e r a t u r e t a r e l a t i v e r e c e p t i o n d i s t a n c e [ % ] [ ? ] v h v l r e l a t i v e s e n s i t i v i t y ( % ) - 1 0 0 a - 8 0 a - 6 0 a - 4 0 a - 2 0 a 0 a 2 0 a 4 0 a 6 0 a 8 0 a 1 0 0 a 0 5 0 1 0 0 5 0 1 0 0
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