rpm960-h14 photo link module rev . c 1/5 irda infrared communication module rpm960-h14 rpm960-h14 is an infrared communication module for irda v e r . 1.3 (low pow e r). t he in frared led, pin photo diode, and lsi are all integrated into one single p a ckage. t h is module is designed for low pow er consumption. t he very small p a ckage makes it a perfect fit for mobile devices. z f eatu r es 1) infrared led, pin photo diode, led driver and receiver frequency formation circuit built in. improvement of emi noise prot ection because of shield case. 2) applied to sir (2.4k to 1 15.2kbp s) and mir (0.576,1.152mbp s). 3) surface mounting ty pe. 4) pow e r dow n function built in. 5) adjust able transmission dist ance by led load resist ance value. z a pplic a t ions cellular phone, pda, dvc, digit a l still came ra, printer , handy terminal and etc. z a b so lu te maximu m ratin g s (t a= 25 c) parameter symbol limits units supply voltage vcc/ledv cc /v io 6.5 ? 25 to 85 ? 30 to 100 v mw ? 0.3 to v io + 0.3 operation temperature storage temperature input voltage topr tstg vin ( 3,4,5pin ) c c v ma led peak current power dissipation ifp pd 400 300 ? 1 ? 2 ? 3 ? 1 ) this applies to all pins on the basis of ground pin (8pin). ? 2 ) led peak current : < 90 s, on duty < 25% ? 3 ) when glass-epoxy board (70x70x1.6mm) mounted. in case of operating environment is over 25 c, 4mw would be reduced per each 1?c stepping up. z re c o mme nde d ope r a ting c onditions supply voltage parameter symbol min. typ. max. units v cc 3.0 v 2.4 3.6 ledv cc v io 3.0 v 2.7 5.5 3.0 v 1.8 v cc
rpm960-h14 photo link module rev . c 2/5 z bloc k dia g r a m a nd a pplic a t ion c i r c uit amp 1 8 76543 2 amp amp power down txd txd v cc (6pin) and ledv cc (1pin) can be used on either common power source or different one. rxd c1 leda ledc rxd pwdown v cc v io gnd pwdown v cc v io gnd r1 ledv cc z reco mmen d e d v a lu es part symbol c1 recommended value notice 6.8 f, ceramic or tantalum ex. ) tcfga1a685m8r ( rohm ) bigger capacitance is recommended with much noise from power supply. r1 5.6 ? 5%,1/4 w ( ledv cc = 3.0v ) more than 50cm distance, more than 10 w/cm 2 at detecting side. ( vs ver1.1 ) in case of using r1 with diff erent condition from the abo v e , f o r m ula is as f ollo ws : led resistance v alue : r1[ ?], led's a v er age consumption current : iled[ma], supply v oltage : led v cc [v ] necessar y d[cm] ( including led's distr ib ution within 15 deg ) r1 = t ( ledv cc ? 1.45 ) / d 2 ? 5 [?] iled = duty ( ledv cc ? 1.36 ) / ( r1 + 4 ) [a] duty : led duty at emitting, t = 17000 ? at iled / duty < 180 ma + +
rpm960-h14 photo link module rev . c 3/5 z t e rmin al d escrip tio n terminal circuit function pin no 1 leda connect to ground. 2 ledc rxd v cc v io shield case 3 4 5 6 7 ? txd v io v io 8 gnd ground led anode terminal led cathode terminal this terminal must be left open. transmitting data input terminal h:led radiant (pwdown='l') cmos logic level input. v io v io pwdown 300k 600k when pwdown ( 5pin )= 'h', the rxd output will be pulled up to v io at approximately 300 k ?. pwdown p o wer -do wn contr ol t erminal h: po werdo wn l : opera tion cmos logic le v el input. when input is "h", it will stop the receiving circuit, pin ? pd current and transmitting led operation. v cc supply voltage for transceiver circuits. for preventing from infection, connect a capacitor between gnd ( 8pin ) . v io supply voltage for i / 0 pins (pwdown,rxd,txd). led 1 2 other power source can be used difference between ledv cc and v cc . led current depends on led load resistance value. include internal current limiter (max.400ma). holding txd = "h"status, led will be turned off at approximately 48 s. receiving data output terminal
rpm960-h14 photo link module rev . c 4/5 z electrical ch aracteristics (unless otherw i se noted, v cc =3 v , l e dv cc =3 v , v io =3 v , t a =2 5 c) parameter symbol min. typ. max. unit conditions consumption current 1 i cc 1 i cc 2 vpdh vpdl ipdh ipdl 440 a pwdown = ov, at no input light pwdown = v io , at no input light pwdown = v io v io = 1.8 to 3.6 v consumption current 2 transmission rate pwdown input high voltage pwdown input low voltage pwdown input high current pwdown input low current txd input high voltage txd input low voltage rxd output high voltage rxd output rise time rxd output fall time rxd output pulse width receiver latency time rxd output low voltage txd input high current txd input low current led anode current 1 270 0.01 ? 0 ? 2.4 ? ? 2/3 ? v io 2/3 ? v io 1/3 ? v io 1/3 ? v io 10 610 a 0.2 kbps 1152 v v v io < transmitter > < receiver > vtxh vtxl itxh itxl iled1 vrxh vrxl trr tfr trt twrxd pwdown = 0v txd = v io txd = 0 v 0 ? 1.0 0 2.5 ? 1.0 ? 0 ? ? 228 ? v io ? 0.4 0 ? 1.0 ? ? 5 0 170 ? ? 20 20 380 100 a 1.0 a 1.0 v v a a ma v v ns ns s ns v io 1.0 400 ? v io 0.4 ? ? 532 200 irxh = ? 200 a irxl = 200 a c l = 15pf c l = 15pf c l = 15pf, 2.4k to 1.152 mbps v io = 1.8 to 3.6 v (v io v cc ) ma ( v io v cc ) led anode current 2 iled2 180 260 r1 = 5.6 ? r1 = 5.6 ? ledv cc = 5.5v ns 1.152 mbps 160 ?? tjrxd rxd output pulse edge jitter < ? < ? z o p tical ch aracteristics (unless otherw i se noted, v cc =3 v , l e dv cc =3 v , v io =3 v , t a =2 5 c) 1. this product is not designed for protection against radioactive rays. 2. this product dose not include laser transmitter. 3. this product includes one pin photo diode. 4. this product dose not include optical load. parameter symbol min. typ. max. unit conditions peak wave length p ie1 d / 2 tledmax tr / tf tj eemin 870 nm ? 15 deg l 15 deg txd = v io 10% to 90% intensity1 rise time / fall time optical over shoot edge jitter minimum irradiance in angular input half ? angle maximum emitting time 850 63 25 ? 18 900 mw / sr 200 mw / cm 2 deg ns deg s 120 ? ? ? ? ? 9 15 16 % 25 ns 40 500 ? 14 r1 = 5.6 ? half ? angle l / 2 ? ? 25 25 ? maximum irradiance in augular eemax ? w / cm 2 ?? 48 optical pulse width twe 172 217 256 ns ttxd = 217 ns ? 15 deg l 15 deg ? 15 deg l 15 deg < ? < ? < ? < ? < ? < ?
rpm960-h14 photo link module rev . c 5/5 z no tes 1) ledv cc (1pin), v cc (6pin) and v io (7pin) ? o t her pow er source can be used dif f erence betw een ledv cc and v cc and v io . (v io < v cc +0 .3 v) 2) caution in designing board lay - out t o get maximum potential from rpm960-h14, please keep in mind follow i ng instruction. ? t he line of rx d (4pin) should be connec ted at backside via through hole close to rpm960-h14 pin lead. better not to be close to photo diode side (8pin side). ? t h is is to minimize feedback supplied to photo diode from rxd. ? better to be placed at more than 1.0cm radius from phot o diode (8pin side) and also aw ay from the p a rt s w h ich generate noise, such as dc / dc converter . ? as for c1 betw een 6 and 8 pins, it should be placed close to rpm960-h14. 3) notes ? please be sure to set up the t x d (3pin) input to be ?l? (under 0.6v) except transmitting dat a. (for < 90 sec. on duty < 25%). ? pow e rdow n current might increase if exposed by strong light (ex. dire ct sunlight) at pow erdow n mode. ? please use by the signal format w h ich is specifi ed by irda v e r1.3 (low pow e r) except 4 mbp s . t here might be on error if used by dif f erent signal format. 4) ey e safe ? en60825-1 (iec60825-1 amendment2), class1 ey e safe. z ex te r n a l dime ns ions (unit : mm) 2.coplanarity : 0.1mmmax 1.tolerance : 0.2mm a unit : mm note eth396 pinpd led 8 1 2.67 0.75 2.2 r1.0 r1.1 2.9 0.68 0.1 0.6 0.1 0.95 p0.95 7 = 6.65 (0.13) 2.59 0.37 0.1 4.0 1.4 1.1 2.2 0.78 0.15 0.1 0.76 0.15 0.1 1.0 8.0 2.8 0.48 0.6 2.2 a part size (shield case underside size)
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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