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| Datasheet File OCR Text: |
| ?a??????a cd821 1cz 6w 2 ?????1|a???a 1. ?????? cd821 1 c z ????? ???1| a? ??a ?? ?? ?e? e?? ??e ??1| a? ? ??????a a??a?t ???1y??ao1y????a ?3?1|a? : p out =6w/ch ?e v cc =20v r l =8 f=1khz thd=10% ??? : v no =0.14m v r m s ?e v cc =28v r l =8 a v =34db r g = 10k bw=20hz ~ 20khz 1|????1?? v cc = 10 ~ 30v ae?? fzip12 2. 1|????y???? 2.1 1|??? ?t?y?a???1ye?t1??? ?? ?-????t?yeo?aa 14 o? ?? 0510 5807123-5542 ??? 0510 5803016 ? 1 3 12 7 3 + - 1|? 1 ?3? 1 40 0 20 k + - 1|? 2 ?3? 2 40 0 20 k 1 2 3 4 5 6 7 8 9 10 11 12 ???? 1|?? ?? ??2a?2
?a??????a cd821 1cz 2. 2 y???? y?? ? o? 1| ? y?? ? o? 1| ? 1 n f 2 ?? 2 7 o u t 1 ?3? 1 2 i n 2 ?? 2 8 n c ?? 3 g n d ???? 9 v cc ?? 4 i n 1 ?? 1 1 0 g n d 1|?? 5 n f 1 ?? 1 11 n c ?? 6 f i l a?2 1 2 o u t 2 ?3? 2 3. ??e? 3. 1 ???t2?y 3y?e1?? t am b = 25 2? y ?? 3? ? o? ?? ? ? ? ?? ????1 v cc 3 0 v ?3?? ?? i o 2 a 1|o? p d 2 5 w 1??3?a? t am b - 2 0 ~ 7 5 ???a? t stg - 5 5 ~ 1 5 0 3. 2 ??e? 3y?e1?? t a m b = 25 v cc = 20v r l = 8 r g = 600 f = 1khz 1? ? ? ??? 2? y ?? 3? ? o? 2a ? ? ?t ?e? ?e ?? ?2?? i ccq v in = 0 75 130 m a thd = 10 5 . 0 6 . 0 ?3?1|a p o thd = 1 4 . 5 w ??? t h d p o = 2w 0.1 0.6 % ????1??? a v v o = 0dbm 32.5 34.0 35.5 db ?a???1??? a vo 6 0 d b ???1 r in 3 0 k ??2??? r.r r g = 0 f = 100hz v r = 0dbm - 4 5 - 5 7 d b ?3?????1 v no r g = 10k bw = 20hz ~ 20khz 0 . 1 4 0 . 3 m v 3. 3 y???|??1 ( ?e? t a m b = 25 v cc = 20v) y?? 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 ?|??1 v 2 . 1 2 . 2 5 g n d 2 . 2 5 2 . 1 6 . 8 9 . 8 2 . 2 5 v cc g n d 2 . 2 5 9 . 8 ? 2 3 12 7 3 ?a??????a cd821 1cz 4. ?e???? ? 3 3 12 7 3 0.02 0.1 0.3 1 vcc=20v r =8 l f=10khz 1khz 100hz vcc=20v rl=8 vo=0.775vrms 100k 30k 10k 3k 1k 300 100 20 80 70 60 50 40 30 20 10 0 thd - f vcc=20v ?a f hz po=2w rl=8 ??? thd % i vo dc - vcc ????1 vcc (v) ?3??e???? vo (dc)(v) ?2?? i ma icco vin=0 tamb=25 av - f ?a f hz ??1??? av db ta=25 31 0 3 0 f=1khz r =8 l vcc=12v 28v 20v ta=25 thd - po thd - po ??? thd % ?3?1|a po w ??? thd % ?3?1|a po w 8 16 24 32 40 0 40 80 120 160 0 8 16 24 32 0 vo(dc) (v7,v12) 0.02 0.05 0.1 0.3 0.5 1 3 5 10 30 0.2 1 3 10 30 100 300 0.02 0.05 0.1 0.3 0.5 1 3 5 10 30 30 100 300 1k 3k 10k 30k 100k 0.02 0.05 0.1 0.3 0.5 1 3 5 10 vcc=20v rl=8 vo=0.775vrms 100k 30k 10k 3k 1k 300 100 30 -10 -20 -30 -40 -50 -60 -70 -80 c.t- f ?a f hz ??? c.t db rg=620 ccq ccq 0dbm ?a??????a cd821 1cz vcc= 20v rl=8 vrip =0.775 vrms c.t - rg 100k 30k 10k 3k 1k 300 100 20 r.r - rg e?o? ??1 rg ??2 ??? r.r db bw=2 0hz 2 0khz 0.32 0.28 0.24 0.20 0.16 0.12 0.08 0.04 0 vno - rg vcc= 20v rl=8 vrip =0.775 vrms r.r - f ?a f hz tamb =25 f=1k hz rg=6 20 e?o? ??1 rg e?o? ??1 rg ? ?? c .t db ?3? ??? ?1 v mvrms no ??2 ??? r.r db -90 0 -10 -20 -30 -40 -50 -60 -70 -80 vcc= 20v rl=8 vrip =0.775 vrms f=10 0hz iccq - ta mb ?2? ? i ccq ma ??3 ?a? t amb vno - tamb ?3? ??? ?1 vno mvrms ??3 ?a? t amb 0.20 0.16 0.12 0.08 0.04 0 -20 0 -40 20 40 60 80 -20 0 -40 20 40 60 80 200 160 120 80 40 0 vcc= 20v vin= 0 vcc= 20v rg=1 0k rl=8 bw=2 0hz 2 0khz vcc= 20v rl=8 0.36 30 100 300 1k 3k 10k 30k 100k -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 30 100 300 1k 3k 10k 30k -90 -80 -70 -60 -50 -40 -30 -20 -10 0 20 100 300 1k 3k 10k 30k 100k ? 4 3 12 7 3 ?a??????a cd821 1cz ? 5 3 12 7 3 50 0 25 75 10 0 1 5 0 17 5 12 5 5 10 d ??3?a ? ta mb 30 25 20 15 1|o? p m a x w p ta mb d 1 2 3 1 ?t?t? n? 2 4. 1 /w n ? 3 9. 5 /w n ? p max - vcc ??1|o? p max w ????1 vcc v d d thd - tamb rl=8 f=1khz po=2w rl=8 f=1khz tamb=25 0 14 10 22 f=1khz rl=8 18 26 30 4 8 12 16 vcc=20v -40 -20 0 2 0 4 0 6 0 80 0.02 0.05 0.1 0.3 0.5 ?e32??? thd(%) ??3?a? tamb( ) 04 8 1 2 1 6 20 0 4 8 12 16 ?3?1|a po w 1|o? p w d d p - po tamb=25 18 20 24 vcc=28v 08 16 32 40 4 8 12 16 po vcc ?3?1|a po w 24 ????1 vcc v r =8 l f=1khz thd=10% 0 ?a??????a cd821 1cz 5. |???a?|??? 5. 1 |???a 5. 2 |??? 5. 2. 1 ?e??1??? ?? 5.2.1 ?? ????1??? a v = 20log [ r 1 +r 2 /r 2 ] ] = 20log [ 2 10 3 +400 /400 ] = 34db ? 5.2.1 5. 2. 2 ??????a???? 1y?? r 2 ????2?y? ?a2?? / 2ha????????????ee??? ?? 6.2.2 ?? ? r 3 ? r 2 2ha a v = 20log { r 1 + r 2 // r 3 / r 2 // r 3 } 34db ? 5.2.2 ? 6 3 12 7 3 4/ 2 5/ 1 8/ 11 7/ 12 ?? + + + r1 r2 400 20k ?3? + - 1 2 3 4 5 6 7 8 9 10 11 12 10 0u f 10 00 u f 10 00 u f 10 00 u f 1u f 47 u f 0.12u f 0.12u f 2.2 2.2 r in 1 + + + + + + 1u f 47 u f in 2 + + c d82 11 c z v cc l1 r l2 4/ 2 5/ 1 8/ 11 7/ 12 ?? + + + r1 r2 40 0 20 k ?3? + - r3 ?a??????a cd821 1cz 5. 2. 3 ?? 5.2.3 ?? ? r 4 ? r 2 ?a a v = 20log [ r 1 +r 2 +r 4 / r 2 +r 4 ] 34 db ? 5.2.3 6. ae?3?? 4/ 2 5/ 1 8/ 11 7/ 12 ? ? + + + r1 r2 400 20k ? 3? + - r4 ? 7 3 12 7 3 |
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