J a pproval s heet ?Q ? ? ? ?? ? ? : hm338r-ll-w ????? ? ?^ ?? ?? 159 805 ? 021-6 1912818 021- 61912767 http://www.pergood.com e-mail:pinguansh@126.com _ J ? g ? pg2010hm338r-ll-w
good take HM338RLL-W 1 photo module for pcm remote control systems description the HM338RLL-W is a miniaturized receiver for use in infrared carrier frequency pcm remote control systems. a high quality photo diode and a low noise preamplifier are assembled on lead frame, and the epoxy package is designed as ir filter. the demodulated output signal can directly be decoded by a microprocessor. the main benefit is the reliable function even in disturbed ambient and the prot ection against uncontrolled output pulses. features special features photo detector and preamplifier in one package enhanced immunity against all kinds of internal filter for pcm frequency disturbance light ttl and cmos compatibility no occurrence of disturbance pulses at output active low the output suitable burst length 10 cycles/burst low current consumption 0.35ma 3v operates down to 2.2 volt lead-free component in accordance with rohs directives applications tv, set top box, dvd, av equipments, air conditioner, and ir remote control system block diagram
good take HM338RLL-W 2 application circuit *) recommended to suppress power supply disturbance absolute maximum ratings tamb = 25 basic characteristics tamb = 25 parameter test conditions symbol va l u e unit supply voltage (vs) vs 0---6.0 v supply current (vs) is 5 ma output voltage (out) vo 0---6.0 v output current (out) io 2.5 ma storage temperature range tstg -30---+85 operating temperature range tamb -25---+85 power consumption ( tamb 85 ) ptot 10 mw soldering temperature t 5s 1mm from case tsd 260 parameter test conditions symbol min typ max unit supply voltage (vs) recommended operating vs 2.5 5.5 v supply current (vs) vs = 5v is 0.7 1.1 1.4 ma transmission distance ir diode at205,i f= 0.4a d 20 m level output pulse width burstwave=600 s, period= 1.2ms ee=0.3~200mw/cm 2 t wh 500 800 s level output pulse width t wl 500 800 s directivity angle of 1/2 transmission distance 1/2 45 deg carrier frequency fo 37.9 khz peak wavelength 940 nm output voltage low v osl 250 mv
good take HM338RLL-W 3 characteristic curve (tamb=25 unless otherwise specified) reliability test test item test condition test time sample num ok num high temperature storage ta=+85 t=240h 22 22 low temperature storage ta=-25 t=240h 22 22 resistance to soldering heat soak into solder tub of tsd=260 1cycle 5sec 22 22 electro static discharge hbm c=100pf, r=1.5k ? , 2kv, each pin test once 22 22 high temperature/humidity* ta=+85 , 90%rh t=240h 22 22 heat cycle* -25 ~+85 (0.5h) 20cycle 22 22 note : *(electro-optical char acteristics) shall be satisfied after leaving 2 hours in the normal temperature
good take HM338RLL-W 4 package outline dimensions in mm: tolerance 0.3mm
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