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如果有了一个器件的Spice模型文件,如何才能知道它和符号管脚的对应关系呢?比如下面是在官网下载的TS393的Spice模型文件,文件前面写的是:
. n4 ^1 q6 R( J i. o- G* TS393 spice macromodel/ E5 L3 @$ N& G
* CONNECTIONS :: O2 W) d. q' a/ \, Y
* 1 NON-INVERTING INPUT
, v- H" ^2 p! W$ T6 W* 2 INVERTING INPUT; a8 _1 l. j6 E3 C) j, [2 {5 r
* 3 POSITIVE POWER SUPPLY" n% @; m9 n! m2 E
* 4 NEGATIVE POWER SUPPLY
z) D+ x+ J9 L- L! I9 s$ E0 v% X6 p$ `* 5 OUTPUT' Q( n& W$ o5 h
a" i1 I. N% d* L7 U但是后面的内容没有3、4、5脚,却是这样写的:1 h1 V! |; m- P
.SUBCKT TS393 2 1 44 55 337 P6 i$ a& i; S \( N' \
7 F9 \! S4 U6 q9 |. g+ r1 d" M$ a& N
把这个模型导入仿真软件时,显示的管脚号也是2、1、 44、55、33,那么问题来了,这些管脚号和这个比较器的NON-INVERTING INPUT(同相端)、INVERTING INPUT(反相端)、POSITIVE POWER SUPPLY(电源正端)、NEGATIVE POWER SUPPLY(电源负端)、OUTPUT(输出端)是如何对应的呢?这里有什么规则吗?
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8 |: s9 g# N6 D6 q2 X2 b$ R谢谢!6 [0 T* v& V# g1 O, X& s
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附TS393的spice模型:* T& k1 h4 A6 v, v) e% ?. ?# x
2 N P# f! f) Z7 N* WARNING : please consider following remarks before usage
* B) { n6 S$ k, R* w8 Z$ V*
' k$ u6 @# v. j/ z! i# w* 1) All models are a tradeoff between accuracy and complexity (ie. simulation
. Y8 y. ~. Z& |* time)." C9 O* v# m& a* ]
* 2) Macromodels are not a substitute to breadboarding, they rather confirm the
7 ?0 ?6 }8 G: H/ ]% l$ x! X* validity of a design approach and help to select surrounding component values./ x7 p- ]$ o: Z T5 |
*
6 W2 h. Q, [( t- k* 3) A macromodel emulates the NOMINAL peRFormance of a TYPICAL device within
$ `) Y7 I, y; J, w- h* SPECIFIED OPERATING CONDITIONS (ie. temperature, supply voltage, etc.).. n8 a3 f# p& Q
* Thus the macromodel is often not as exhaustive as the datasheet, its goal
( X% Z2 F( z9 D }* }* is to illustrate the main parameters of the product.7 @8 M# Z. W% b
*9 L! I i7 s& i! T7 [8 l8 K: b
* 4) Data issued from macromodels used outside of its specified conditions4 s% m# g0 F- L$ e( X& u" t8 o5 y
* (Vcc, Temperature, etc) or even worse: outside of the device operating * B$ b: [$ I4 [! j8 R
* conditions (Vcc, Vicm, etc) are not reliable in any way.: d9 t$ }$ X3 U4 ~8 k% o, g Z
*-----------------------------------------------------------------------------------------) i+ O( l+ H7 m% p: z5 y
* TS393 spice macromodel$ X9 C: N" M$ t- R
* CONNECTIONS :) Z9 }% @7 p( f. I! x: M
* 1 NON-INVERTING INPUT5 L% i. Q7 s/ v" N
* 2 INVERTING INPUT1 @+ N1 R( r5 G% U+ F; i. t% ]
* 3 POSITIVE POWER SUPPLY
1 y3 c" m$ i) e4 y$ ^* 4 NEGATIVE POWER SUPPLY
& h5 b; T$ v, g8 ?. Z" A* 5 OUTPUT" F4 z% G! D& t/ ?% a( o( C2 {
*2 v! j- |* b: i
**********************************************************
$ _ O! |7 K( s3 o! c2 L8 U.SUBCKT TS393 2 1 44 55 33+ M: c B B5 h/ ^' L
EVCCP 4 0 44 0 1.0
. B8 e/ j8 s0 r6 U5 J/ K4 zEVCCN 5 0 55 0 1.0
5 [& ]; I3 j% U! B, K. Y! `2 d/ dVREADIO 3 33 DC 0
4 n3 E1 ~, k( Y0 vG_ICCSAT 44 55 VALUE= {7.5E-6 + 5.0E-7*V(44,55)}
$ ]; a2 t1 j; `( b) @5 o; |G_IOUT_SINKED 55 0 VALUE={IF (V(1)<V(2), 0, I(VreadIo))}
! {9 b! {, ^0 f5 }8 E: r.MODEL MDTH D IS=1E-11 KF=1.050321E-32 CJO=10F+ c8 l9 e5 C8 ~ g& c6 n0 |
.MODEL DIDEAL D N=0.1 IS=1E-08
c( |- B# }; i& @: O' j' Y0 _( y* INPUT STAGE! D) Y& R" S' Y5 q. l, B
CIP 2 5 1.000000E-127 \+ I: T9 |" |
CIN 1 5 1.000000E-12
j0 u/ m$ S) vEIP 10 0 2 0 1 c* I/ Y% z: o0 s3 R, f* l9 F9 S
EIN 16 0 1 0 1. F% P( n/ l; g. h$ G; M' D
RIP 10 11 6.500000E+01
{" n3 `, O$ T, R+ T/ CRIN 15 16 6.500000E+01% {' }9 C( Z; D
RIS 11 15 1.939046E+02
. e9 v& ~7 Y7 h+ m uDIP 11 12 MDTH 400E-12
; C) z5 O5 M) Q4 C/ ^8 m, ^DIN 15 14 MDTH 400E-12
t- N+ W/ y0 b# zVOFP 12 13 DC 0.000000E+00
; R- f, D9 c. w% [/ g$ FVOFN 13 14 DC 0
' r0 x* I9 Y, _7 g" AIPOL 13 0 100E-06
- j: d1 L( }5 D7 c8 HCPS 11 15 8.5E-09
* x) g# |" V* r7 z: {. o& w) XDINN 17 13 MDTH 400E-12+ B# q& [6 q% O; z- M; l/ M4 h
VIN 17 5 0.000000e+00( s+ I5 v' x- H% {! U$ I) M
DINR 15 18 MDTH 400E-12# q! U; r: k) H1 I" o6 Y
VIP 4 18 1.200000E+00' C B' |, ?9 f; s) _* K+ `5 P
FCP 4 5 VOFP 0.00
g+ U) r+ d" x& NFCN 5 4 VOFN 0.00
/ F% i2 ?' r% h* UFIBP 2 0 VOFN 2.000000E-08
! P3 T& h6 y8 c, P& ZFIBN 0 1 VOFP 2.000000E-08+ s1 l) K! v: o5 g
* AMPLIFYING STAGE0 B8 n7 Y* ?/ T5 v _# t" f
RG1 5 19 2.8E+05/ Q$ ^& b! O" Q6 h
RG2 4 19 2.8E+05+ U5 F1 V; f6 Z3 j9 w- B2 m
DONM 21 19 MDTH 400E-120 w( k3 D) ^6 K/ G$ J
HONM 21 27 VOUT 3000
1 I; r! o: X" f" Z' SVINM 5 27 135( `, ?7 r- g8 K1 F9 [; u% Y) q
DOP 19 25 MDTH 400E-12
4 k4 ?* b; s/ O4 m: D1 w! JVOP 4 25 1.0974 A6 g, T' |" O( A' {
DON 24 19 MDTH 400E-12
. X$ F9 h" A* U) _" o; V+ v( pVON 24 5 1.097 Z4 P9 G" _& L1 f% g1 X
FIP 0 19 VOFP 104
" ^# K1 E9 s2 |- c' z8 x1 EFIN 0 19 VOFN 104& t& J7 v: r2 h: b
EOUT 26 23 19 5 1' q, }. y7 o8 m# W. Q+ c
VOUT 23 5 0V$ y% `/ g! n, U( [( ]+ X- K, W
RFUIT 126 5 2.5E+09- S' d6 R/ X) q
DOUT 126 26 DIDEAL 400E-12' V; e a, ?2 r I. L- I$ j* r6 X
ROUT 126 3 28.33
! y: N7 [. s5 G% n.ENDS
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