?a??????a CD5954CB ?????????F??y??a ?t?y?a?a???e?t1??? ?? ?-??? ?t?yeo?aa 14 o? ?? 05 10 -5 80 71 23 -5 50 6 ??? 0 5 1 0 - 58 07 12 3 - 30 93 2 1 4 0 6 1 ?? ht tp ://ww w . crhj .c o m .cn ? ap ply @ crhj.c om .cn ? 1 3 12 8 3 1. ?????? cd59 54 ?? ???? ? ???? ?o a??y? ?a ?a? o? 2 ???F??y ?? o 2 ??a ??y ?? ?a2 ??? ?? ?? ?o?? ??ey?e ?? ???3? ??? ? ?? ?a? ? cd-r om dvd ?????y?3?o? ??????a ????? v om = 4.0v v cc = 12v pv cc1 = pv cc2 =5v r l = 8 ?o?1y??a y?1|? ae?a hsop28 2. 1|????y???? 2. 1 1|??? ??a? ?y?? ?-??F? ???1?F? ????a? ?y?? ?y?? ?y?? y? ? ?2a?? ?2a?? 1234 567 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 vcc pvcc1 pvcc2 pgnd pregnd pgnd pvcc1 pvcc2 vcc 10k 20k 7.5k 7.5k 10k 15k 25k 10k 7.5k 7.5k 20k 10k 2 2
?a??????a CD5954CB 2. 2 y???? y?? ? o? 1| ? y?? ? o? 1| ? 1 v infc ???1?y???? 1 5 v otk+ ?-??y???3? 2 c fcerr1 ???1?2????a? 2 1 6 v otk- ?-??y???3? 3 c fcerr2 ???1?2????a? 2 1 7 v old+ ??a??y???y ?3? 4 v insl+ ????a??y???? ??? 1 8 v old- ??a??y???o ?3? 5 v insl- ????a??y???? ??o?? 1 9 g n d p 1|a? 6 v osl ????a??y???? ??3? 2 0 v nftk ?-??y??????? 7 v nffc ???1?y??????? 2 1 pv cc2 ?F??y??2??? ?? 8 v cc ???2?? ?? ???? a??y??2??1| a?? 2 2 g n d pre ???? 9 p v cc1 ??a??y??2? ??1|a?? 2 3 v inld ??a??y??? ? 1 0 g n d p 1|a? 2 4 c tkerr2 ?-??2????a? 2 11 v osl- ????a??y??? 3? 2 5 c tkerr1 ?-??2????a? 2 1 2 v osl+ ????a??y??? 3? 2 6 v intk ?-??y???? 1 3 v ofc- ???1?y???3? 2 7 b i a s ?????? 1 4 v ofc+ ???1?y???3? 2 8 s t - b y y????? ?t?y?a?a???e?t1??? ? 2 3 12 8 3
?a??????a CD5954CB 3. ??e? 3. 1 ???t2?y 3y?e1?? t am b = 25 2? y ?? 3? ? o? ?? ? ? ? ?? v cc 1 3 . 5 pv cc1 v cc ????1 pv cc2 v cc v 1|o? p d 1 . 7 w 1??3?a? t am b - 3 5 85 ??a? t stg - 5 5 150 ?? pcb(70m m 70m m , o? 1.6m m ???2?? ) ? , t am b = 25 ??1? , ?a? ??y?? 1 , 1|o??????a? 13.6m w 3. 2 ???1??t ? ?? ? 2? y ?? 3? ? o? ? ?? ? ?t ?e? ?e ?? ? ?? v cc 4 . 3 1 3 . 2 pv cc1 4 . 3 v cc ????1 pv cc2 4 . 3 v cc v 3. 3 ??e? 3y?e1?? t am b = 25 v cc =12v pv cc1 =pv cc2 =5v bias=2.5v r l =8 r d =0.5 c=100pf 1? ? ? 2? y ?? 3? ? o? 2a ? ? ?t ?e? ?e ?? ? ?? ?2?? i ccq 1 8 2 7 m a ???1 ?-??F??y?? ?3??|? i oof - 6 6 m a ???3?? v om 3 . 6 4 . 0 v ????? g m v in =bias 0 . 2 v 1 . 3 1 . 5 1 . 7 a / v ????a??y?? ? ???? ?? ????? v icm - 0 . 3 1 1 . 0 v ??????? i bop 3 0 3 0 0 n a ??a ?t?y?a?a???e?t1??? ? 3 3 12 8 3
?a??????a CD5954CB e?? 1? ? ? 2? y ?? 3? ? o? 2a ? ? ?t ?e? ?e ?? ? ?? ? ???? 3?? ?1 v olop 0 . 1 0 . 3 v ? ??3? ?? i so 0 . 3 0 . 5 m a ? ??3? 1? i si 1 m a ?3??|??1 v oofsl - 1 0 0 0 1 0 0 m v ???3?? v omsl 7 . 5 9 . 0 v ????1??? a vsl v in = 0 . 2 v 1 8 . 0 2 0 . 0 2 2 . 0 d b ??a??y?? ?|??1 v oofld - 5 0 0 5 0 m v ???3?? v omld 3 . 6 4 . 0 v ??1??? a vld v in =bias 0 . 2 v 1 3 . 5 1 5 . 5 1 7 . 5 d b f r ???2? a vld v in =bias 0 . 2 v 0 1 2 d b y????? y?1|? i st 0 . 5 m a y?1|??1 v st on 0 0 . 5 v y?1?????1 v st off 2 . 0 v ?t?y?a?a???e?t1??? ? 4 3 12 8 3
?a??????a CD5954CB 4. 2a???a 12 34 56 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 v in4 100pf 1 2 1 2 1m v v v 1m v in3 sw a 12v 5v v 8 0.5 8 8 0.5 8 a v v v a v st 2.5v v in2 100pf v in4 5v v o4 v o2 v v o1 o3 100 h 100 h i o2 o1 i v v v bop bop oop oop i i q CD5954CB ?t?y?a?a???e?t1??? ? 5 3 12 8 3
?a??????a CD5954CB 5. ?e???? ?t?y?a?a???e?t1??? ? 6 3 12 8 3 0 25 50 75 100 125 150 175 0 0.5 1.0 1.5 2.0 pd ? ta ??3?a? ta ( ) 1|o? pd (w) ?? 70mm 70mm, o? 1.6mm ?2???? pcb ? , -2-??ea 3% -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.8 -5 -4 -3 -2 -1 0 1 2 3 4 5 vcc=12v pvcc1=pvcc2=5v bias=2.5v r =20 +100 h 8 +100 h 4 +100 h 12 +100 h l ????1 v (v) in ?3???1 vo (v) ?F??y?? vo ? v in -2 -1 0 12 -12 -10 -8 -6 -4 -2 0 2 4 6 8 10 12 vcc=12v pvcc1=pvcc2=5v bias=2.5v r =20 l 8 12 ????1 v (v) in ?3???1 vo (v) ????a??y?? vo ? v in -2 -1 0 1 2 -5 -4 -3 -2 -1 0 1 2 3 4 5 r =20 l 8 4 12 vcc=12v pvcc1=pvcc2=5v bias=2.5v ????1 v (v) in ?3???1 vo (v) ??a??y?? vo ? v in v - - + opin opout 12 34 5 0 0 1 2 3 4 5 vcc=5v ???????1 v (v) ????3???1 v (v) 0pout opin v v ?????y???????? v ? v opout opin -20 0 20 40 60 10k 100k 1m 10m g 2.5v 10 10k 20k 100 + - vin -180 -90 0 90 180 ?a f (hz) ??? av (db) ??? (deg) ?????y?????????a?e? vcc=12v, pvcc1= pvcc2=5v
?a??????a CD5954CB 6. ??a?|??? 6. 1 |???a 1234 567 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 rd rd 100pf ???1??| ?-???| m m 12v 5v ? 12v 5v ? 12v ???? ???1 ?-? ???1 y? ?? ??a? ????a? dsp u- com CD5954CB 6. 2 |??? 1. ???1 o?- ??y? ?|? ? ? ?a pv cc 2 ??a ??y ? ?|?? ?a pv cc 1 ???? a ??y? ?|? ? ?a v cc ??2???????a v cc 1? pv cc e?2?? v cc 2. ic ? 2? ?? e? ?a ?e??? ?a? y? 17 5 ?e ? 3??1?? e? ???a?e? ?? 150 ?e ?y??2????a2??a????1 3. y ????? ???aa? ?? ?? 0.5 v ??a ?a ???y? ?? ?y31 y??? ???? | ?????? 2. 0v ?? ? ???1 v cc ?? 3. 5v ( ?e ) ? a2?1 ?? e??? ??1 ??? 3.7v ?e ?? ?a2????1 4. ?? ???? ????1? ? 0.9 v ?e ??a ?a 2?1 ?y3 1 ???? ????| ? 1.2 v ????1 5. ????|???a?y 0.1 f ?????y???????? ?3?? / ????1 ?a???? g m = 1/ r d + r wi r e a/v ??e r wi r e ?aa?2??y???1 ?? 0.15 ( 0.05 ) ( ?e ) ?t?y?a?a???e?t1??? ? 7 3 12 8 3
?a??????a CD5954CB 7. ae?3?? ?t?y?a?a???e?t1??? ? 8 3 12 8 3
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