gp1u57x series gp1u57x series n outline dimensions ( unit : mm ) n features n absolute maximum ratings ( ta = 25?c ) n applications n recommended operating conditions 1. less sensitive to fluorescent lamp driven by inverter 3. built-in voltage regulator circuit *1 no dew formation *2 for 5 seconds parameter symbol rating unit operating supply voltage v cc 0 to 6.3 v *1 operating temperature t opr - 10 to + 70 ?c storage temperature t stg - 20 to + 70 ?c *2 soldering temperature t sol 260 ?c symbol value unit v cc 4.7 to 5.3 v 16 1.3 1.3 3 2.54 2.54 5.1 3.6 1.6 21 2.5 1 2 3 1 2 3 16.3max 14.5max 12max 1 vcc 2 vout 3 gnd from the soldering face. 2. various b.p.f ( band pass filter ) frequency h 1 h 1 recommended drilling as viewed h 1 detector center data books, etc. contact sharp in order to obtain the latest version of the device specification sheets before using any sharp 's device. in the absence of confirmation by device specification sheets, sharp takes no responsibility for any defects that occur in equi pment using any of sharp's devices, shown in catalogs, for remote control parameter supply voltage ir detecting unit * tolerance : 0.3mm 3 - f 0.8 4.6 0.5 6.6 0.5 1. tvs 2. vcrs 3. audio equipment 4. air conditioners 5. catv set top boxes 6. bs receivers 7. multi-media equipments
gp1u57x series n electrical characteristics n model line-up ( ta= 25?c, v cc = + 5v ) n internal block diagram the value of f o is shown in a separate table. duty 50% model no. b.p.f. frequency unit gp1u57x 40 khz gp1u570x 36 gp1u571x 38 gp1u572x 36.7 gp1u573x 32.75 gp1u577x 56.8 600 m s 600 m s burst wave vout vcc gnd b.p.f. limiter amp comparator integrator demodulator parameter symbol conditions min. typ. max. unit dissipation current i cc no input light - - 5.0 ma high level output voltage v oh *3 v cc - 0.5 --v low level output voltage v ol - - 0.45 v high level pulse width t 1 400 - 800 low level pulse width t 2 400 - 800 b.p.f. center frequency f o -- *4 40 - khz *4 diversified models with a different b.p.f frequency, as shown in a separate table, are also available. *3 the burst wave as shown in the following figure shall be transmitted by the transmitter shown in fig. 1. m s
gp1u57x series n performance ( 2 ) sensitivity angle reception distance characteristics ( 3 ) anti outer peripheral light reception distance characteristics in the above figure, the transmitter should be set so that the output vout can be 40mv pp . 100 lx. ( e v is an illuminance by cie standard light source a ( tungsten lamp ) . ) 20cm 10k w + 5v 10 m f pd49pi 10k w oscilloscope vout transmitter vout transmitter ( gl521 used ) duty 50 % center frequency ( fo ) depends on the attached model list. fig. 1. transmitter fig. 2. standard optical system reception distance : l light detector face illuminance : ee vertical directions. ) using the transmitter shown in fig. 1, the output signal of the light detecting unit is good enough to meet the following items in the standard optical system in fig. 2. however, the pd49pi to be used here should be of the short-circuit current i sc = 2.6 m a at e v = ( f indicates horizontal and f f characteristcs in the attached list. characteristics in the attached list. ( 1 ) linear reception distance characteristics characteristics in the attached list. when l= 0.2 to 8m, ee<10 lx and f = 0? in fig. 2, the output signal shall meet the electrical when l= 0.2 to 6m, ee< 10 lx and f <= 30? in fig. 2, the output signal shall meet the electrical when l= 0.2 to 4m, ee<= 300 lx and f = 0? in fig. 2, the output signal shall meet the electrical
gp1u57x series n precautions for use ( 2 ) pay attention to a malfunction of the light detecting unit when the surface is stained with ( 3 ) the shield case shall be grounded on pwb pattern. ( 4 ) do not apply unnecessary force to the terminals and case form outside. ( 5 ) do not push the light detector surface ( photodiode ) from outside. ( 6 ) to avoid the electorstatic breakdown of ic, handle the unit under the condition of ground- ( 7 ) in case of adopting the infrared light detecting unit for the wireless remote control, use it ( 8 ) as for other general cautions, refer to the chapter precautions for use characteristics and operating condition of light emitting device and the characteristics of the light detecting unit. dust and refuse. care must be taken not to touch the light detector surface. if it should be dirty, wipe off with soft cloth so as to prevent scratch. in case some solvents are required, against flux and others. ing with human body, soldering iron, etc. in accordance with the transmission scheme and the signal format recommended in coun- issued form japan association of electrical home appliances ( aeha ) in july 1987. ( 1 ) use the light emitting unit ( remote control transmitter ) , in consideration of performance, use metyl alcohol, ethyl alcohol or isoprophyl alcohol. also, protect the light detecting unit termeasures for malfunction prevention of home appliances with infrared remote control
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