1 ? 4 ? ??? ??? infrared receiver modu le t? infrared receiver modu le t? ?:CHQ0038 1. O?; ic; ????Lx; ???n; ?h??; ?; 2. : ??( , ?, ?C, C ) ?( C, L , ?) ba?; ??? 3. D: 4. ?D www..net
2 ? 4 ? ??? infrared receiver modu le t? ?:CHQ0038 5. (t=25 vcc=5v f 0 =37.9khz) min typ mnx ? vcc 2.7 5.5 v ? l l5ir=300ma ( ?) 10 25 m ?? f 0 37.9k hz ?? 01/2 ? 1/2 +/-35 deg bmp f bw -3db and width 2 3.3 5 khz ? icc ?? ---- 0.8 1.5 ma ?? v ol vin=0v vcc=5v 0.2 0.4 v ?? v oh vcc=5v 4.5 v t pwl vin=500 vp-p 500 600 700 s t pwh vin=50mvp-p 500 600 700 s ?, ?? 600/900 s ?, 5cm ?? , ? 50 ??? 6. ?: www..net
3 ? 4 ? 7. ?: ? ?? vcc 6.0 v ? topr -25-85 ? tstg -40-125 ? tsol 260 ??? infrared receiver modu le t? ?:CHQ0038 8. ???: 9. ?? www..net
4 ? 4 ? ? ? min typ mnx ? vcc 2.7 ----- 5.5 v ?l fm 37.9 khz ? topr -20 25 80 10.?? 1) ?????p?; 2) ???()?p?; 3) ???p?; 4) ?o??,?,?; 5) ??,??,t??;. 6) ??????????? www..net
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