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網絡上找到的
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* lm386 subcircuit model follows:0 J0 {: c6 _7 b# g
2 W5 p, H# ?! O! `' f6 ~" x************************************original* IC pins: 2 3 7 1 8 5 6 4
% O3 v4 s3 z# i8 [$ u0 e0 f6 x! `: X* IC pins: 1 2 3 4 5 6 7 8
, O$ Q' b3 b0 {% K+ }2 R. O9 l6 F* | | | | | | | |
0 _. A+ m) t+ b O5 P9 p8 q.subckt lm386 g1 inn inp gnd out vs byp g8
$ s+ {* V7 ~3 |* k- y& W X************************************original*.subckt lm386 inn inp byp g1 g8 out vs gnd! T+ V5 D1 f3 c9 L: ]0 a: \# H# k/ A
+ J. ~( P+ u. e, G4 \+ l; z2 f0 `0 A1 S
* input emitter-follower buffers:9 Z! ]! w& c6 _
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q1 gnd inn 10011 ddpnp* m( S( h( B ] ]- h# \
r1 inn gnd 50k R5 K0 j, s' a. p* L- d
q2 gnd inp 10012 ddpnp6 G! w2 z4 X- J+ G4 Z0 s/ R2 t6 T
r2 inp gnd 50k& ~- d, {! L* F/ u1 v; v2 P0 F
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* differential input stage, gain-setting
L$ W: x! x* ~2 f9 K* resistors, and internal feedback resistor:. h0 Z4 a2 s' X2 o2 g
* r5 t) `/ K$ d' E4 Gq3 10013 10011 10008 ddpnp
' Z8 v, J3 g* W5 e! P' Nq4 10014 10012 g1 ddpnp
% I$ S2 m: `( T/ W) Y% }" Xr3 vs byp 15k
3 F5 y/ }' Z. r( O2 z) J9 Wr4 byp 10008 15k5 H; I- F' [; D T; l
r5 10008 g8 150
' ]* [# T0 W4 O4 L8 i$ r5 pr6 g8 g1 1.35k
3 R; j& o! _- O: n, j9 ^4 M6 qr7 g1 out 15k
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: {# j! C- M. h3 ^* input stage current mirror:
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q5 10013 10013 gnd ddnpn
" u' T4 q0 H! }6 b+ {0 z* z) Z& Xq6 10014 10013 gnd ddnpn
, |% ~0 m& |- ?: k) v3 W7 Q( F
" f5 k/ B) a" G: z* voltage gain stage & rolloff cap:
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- }& W$ R6 u, ]q7 10017 10014 gnd ddnpn9 x0 ~6 q: E; {) |6 |
c1 10014 10017 15pf1 U) S6 t. J3 c' z7 s8 x( z
* Q9 h7 R5 N: K* current mirror source for gain stage:
% \6 u0 I3 w# [* c% g + k _, r! A, s4 \) o& ]& Y* ]3 u5 S
i1 10002 vs dc 5m/ ]6 f# W; j- W+ ]0 [
q8 10004 10002 vs ddpnp
X1 z( ]3 u0 z" d; i1 ^) Bq9 10002 10002 vs ddpnp6 L3 S* ~ s& V
# r" p/ H/ p2 C7 \" P: g* Y* Sziklai-connected push-pull output stage:& u' ~6 Q3 x% B$ B4 @" Y
5 b' v, {/ |' `8 V/ A: \q10 10018 10017 out ddpnp+ [$ K9 U+ L3 {
q11 10004 10004 10009 ddnpn 100
+ G* v& q" y' aq12 10009 10009 10017 ddnpn 100
7 b6 d1 w) I+ z }5 ?/ |q13 vs 10004 out ddnpn 100/ g+ v% ^8 K3 h/ ]
q14 out 10018 gnd ddnpn 100
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* generic transistor models generated
B+ @' s, Q( S* with MicroSim's PARTs utility, using+ L5 h( } c, X c8 i
* default parameters except Bf:
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" R0 H1 w6 k7 o5 }- K.model ddnpn NPN(Is=10f Xti=3 Eg=1.11 Vaf=100! Z) f3 `9 k( N- f9 h$ t. w/ Q. e
+ Bf=400 Ise=0 Ne=1.5 Ikf=0 Nk=.5 Xtb=1.5 Var=100
" ?' n$ x# U4 h9 S" n! U$ A+ Br=1 Isc=0 Nc=2 Ikr=0 Rc=0 Cjc=2p Mjc=.3333
/ T9 h& N9 s7 ~- t& o4 _/ `+ Vjc=.75 Fc=.5 Cje=5p Mje=.3333 Vje=.75 Tr=10n5 ~$ Y4 x+ `- h$ s P* P" p0 ?
+ Tf=1n Itf=1 Xtf=0 Vtf=10)' j4 D2 r: }8 \* n' v+ m
& G8 H$ T/ U+ h9 r* \7 o.model ddpnp PNP(Is=10f Xti=3 Eg=1.11 Vaf=100
% G7 i0 u& A9 Z" S& y+ Bf=200 Ise=0 Ne=1.5 Ikf=0 Nk=.5 Xtb=1.5 Var=100
6 f" F7 c4 n3 a% R2 |! V% ^( r+ B. t5 _+ Br=1 Isc=0 Nc=2 Ikr=0 Rc=0 Cjc=2p Mjc=.33335 `* o" B$ g- Q8 Q- N9 o$ a
+ Vjc=.75 Fc=.5 Cje=5p Mje=.3333 Vje=.75 Tr=10n% ~8 ~7 ~" F7 e# ?2 o
+ Tf=1n Itf=1 Xtf=0 Vtf=10)
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0 k8 w9 }' m* g2 y/ P.ends) |* m) `! K: `+ o
*----------end of subcircuit model----------- |
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发表于 2012-5-29 17:24
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楼主
发表于 2012-6-29 15:56