?????a CD6282CS 4.6w 2 ?????1|a???a ?t?y?a?????e?t1??? ?? ?-??? ?t?yeo?aa 14 o? ?? 05 10 -8 58 101 18 -5 50 6 ??? 05 10 -8 58 101 18 -3 09 3 214 06 1 ?? http://www . sem i co.com .cn ? ap pl y@se m i co .co m .cn ? 1 3 12 8 3 1. ?????? cd62 82 cs ?? ? ?? e?? on/off ? ??a1?1| ?? ???? ?1| a??? a ??ye? a? ? a?? ???e??a???e??1|a?? ??????a ?3?1|a? ?a? ? e? ?2??|? ??1|? ???1y??a 1|????1??? v cc = 6v ~ 15v ae?? fsip12 2. 1|????y???? 2. 1 1|??? 30 20 k 30 20 k 7 8 12 4 5 2 10 6 11 3 9 1 ??????a ???a a1 a2
?????a CD6282CS 2. 2 y???? y?? ? o? 1| ? y?? ? o? 1| ? 1 b s 1 ?? 1 7 in 2 ?? 2 2 o u t 1 ?3? 1 8 nf 2 ?? 2 3 v cc2 ?? 2 9 g n d ? 4 r i l rip ??2a?2 1 0 out 2 ?3? 2 5 n f 1 ?? 1 1 1 bs 2 ?? 2 6 i n 1 ?? 1 1 2 v cc1 ?? 1 3. ??e? 3. 1 ???t2?y 3y?e1?? t am b = 25 2? y ?? 3? ? o? ?? ? ? ? ?? ????1 v cc 1 6 v ?3?? ?2? / ? io p 2.5 a 1|o? p d 1 2 . 5 w 1??3?a? t am b -20 ~ +70 ???a? t stg -40 ~ +150 3. 2 ??e? 3y?e1?? t am b = 25 v cc = 9v , r l = 4 , f = 1khz, r g = 600 1? ? ? 2? y ?? 3? ? o? 2a ? ? ?t ?e? ?e ?? ? ?? ?2?? i ccq v i =0 19 4 5 m a sw off ??? i sb s w off 1 2 0 ua t h d = 1 0 % 2 . 0 2 . 5 ?3?1|a p o thd=10% v cc = 1 2 v 4 . 0 4 . 6 w ??? r i 3 0 k r f =82 ,v o = 0 . 7 7 5 v 4 3 4 5 4 7 ??1??? a v r f =0 , v o = 0 . 7 7 5 v 5 6 db ??? t h d ?? p o = 1 w 0 . 2 5 1 % ??a ?t?y?a?????e?t1??? ? 2 3 12 8 3
?????a CD6282CS e?? 1? ? ? 2? y ?? 3? ? o? 2a ? ? ?t ?e? ?e ?? ? ?? ?3?????1 v no r g =10k bw=20hz~20khz 0 . 3 1 . 0 m v ??2??? r . r r g =600 , f rip=120hz 54 ??? c . t r g =10k ,v o =0dbm f =1khz 4 5 db ???|??1 v os v 6 v 7 2 0 6 0 m v 4. 2a???a ?t?y?a?????e?t1??? ? 3 3 12 8 3 0. 15 f 4 vcc r l v v 7 8 12 4 5 2 10 6 11 3 9 1 sw 82 v cd 62 82 cs + 22 00 f + 10 00 f + 10 0 f 0. 15 f 4 r l v + 10 00 f + 10 0 f + 47 f + *c in + 22 0 f 82 + 47 f + *c in o1 o2 in 1 in 2
?????a CD6282CS 5. ?e???? 03 0. 3 0. 0. 1 3 1 0.5 1 5 30 0. 0.3 3 10 thd - po f=1k hz vcc= 9v ?3? 1|a po w ?? ? thd % 10 1 r = 2 3 4 03 0. 3 0. 0. 1 3 1 0.5 1 5 30 0. 0.3 3 10 thd - po r =4 vcc= 9v ?3? 1|a po w ?? ? thd % 10 1 f=10 khz 1khz 100h z l l 20 100 0 -40 40 60 05 1 0.5 1 -20 0. 0. 0.3 3 thd - tamb ??3 ?a? ta mb ?? ? thd % 80 r = 4 vcc= 9v vo=0 .775v f=10 khz 1khz 100h z 6 41 4 81 0 1 0.5 1 16 0. 0.3 3 thd - vcc ?? ??1 vc c v ?? ? thd % 12 r = 4 f=1k hz vo=0 .775v l l ?t?y?a?????e?t1??? ? 4 3 12 8 3
?????a CD6282CS ?t?y?a?????e?t1??? ? 5 3 12 8 3 20 40 60 80 100 120 140 160 0 ??3?a? ta mb 2 4 6 8 10 12 14 ?t?t ?n? 80c m 2mm an ? 2 p - ta mb ?e1|o? p w d d (1) 18c m 2mm an ? 2 ?t ? 2 4 6 8 1 01 2 1 41 6 0 ????1 vc c v 2 4 6 8 10 12 f=1 khz p - vcc ??1|o? p max w d d 0 r = 2 3 4 d p - po ?3?1|a po w d 1|o? p w r = 4 f=1 khz 012 3 4 5 6 0 1 2 3 4 5 d p - po ?3?1|a po w d 1|o? p w vcc =9v f=1 khz 012 3 4 5 6 0 1 2 3 4 5 vcc =12v 9v 6v r = 2 3 4 i / vo - tam b ?2?? i ma vcc =9v ??3?a? ta mb 2 0 0 2 04 06 08 0 0 10 20 30 40 50 ?3???1 vo v 0 2 4 6 8 10 0 1 2 3 4 5 ?3?1|a po w ??3?a? ta mb 2 0 0 2 04 06 08 0 40 vcc =9v f=1 khz thd =10% po - tam b (2) (3) (4) (1) (2) (3) (4) l l cc q vo l cc q i cc q
?????a CD6282CS p o - vc c ????1 vc c v ?3?1|a po w th d= 10 % f= 1k hz 0 4 8 12 16 20 24 0 2 4 6 8 10 r = 2 3 4 10 0 30 10 3 1 0. 3 0. 1 0 c. t - rg e?o???1 rg k ? ?? c.t db 0 -2 0 -4 0 -6 0 -8 0 vc c= 9v r = 4 vo =0 db m f= 1k hz l l 0 10 20 30 40 0 48 12 16 ?3? ??1 vo v 0 20 4 12 8 16 ????1 vc c v 10 0 30 10 3 1 0. 3 0. 1 av - f ?a f kh z ??1??? av db 0 20 40 60 80 vc c= 9v r = 4 vr ip =0 .7 75 v rf =8 2 10 0 30 10 3 1 0. 3 0. 1 0 r. r - rg e?o???1 rg k ??2??? r. r db 0 -2 0 -4 0 -6 0 -8 0 vc c= 9v r =4 vr ip =0 .2 v fr ip =1 00 hz 10 0 30 10 3 1 0. 3 0. 1 0 v - rg e?o???1 rg k ?3?????1 v mv 1. 6 1. 2 0. 8 0. 4 0 vc c= 9v r =4 b. w= 20 hz 20 kh z no no v2 v1 0 l l l i / vo - vcc ?2? ? i ma ccq ccq i ccq ?t?y?a?????e?t1??? ? 6 3 12 8 3
?????a CD6282CS 6. ??a?|??? 6. 1 |???a 6. 2 |??? ?2????o??y *cin ?2????e??????? ?ea??y cin ? 3 ????1? 12 2?? ?3?1|a?? 3 ????1?? 22 00 f 0. 15 f 10 00 f + + 4 vcc r l in 1 in 2 7 8 12 4 5 2 10 6 11 3 9 1 + sw *c in + 10 0 f 0. 15 f 10 00 f 4 r l + 10 0 f *c in + 47 f + 82 22 0 f + 47 f 82 cd 62 82 cs + + ?t?y?a?????e?t1??? ? 7 3 12 8 3
?????a CD6282CS 7. ae?3?? ??2??o? rohs ? ?t?y?a?????e?t1??? ? 8 3 12 8 3
|
