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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:7 |5 l, o: O2 e6 S% {. G
* TS393 spice macromodel' \- ? B$ d7 `, E2 o6 B6 Y
* CONNECTIONS :
3 @7 |& K& ]" w- Y; v* 1 NON-INVERTING INPUT4 L9 \3 S5 U. U! N7 y# _
* 2 INVERTING INPUT6 b8 c+ \* n. H' R* c% d
* 3 POSITIVE POWER SUPPLY
: a6 V& }: z1 V4 I; t% s* 4 NEGATIVE POWER SUPPLY
& b2 d! h: L$ a% N% ~$ v8 K* 5 OUTPUT
% K0 F* b. j9 a' r w3 k- B: p% c; u' B4 {
但是后面的内容没有3、4、5脚,却是这样写的:
; ?% r: l0 s6 |5 J( n.SUBCKT TS393 2 1 44 55 33
9 q5 d4 R/ Q: e0 s' z f" Y+ k
* y; ]$ x% a6 a% S& j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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谢谢!$ w. B. t' l( I8 y+ G2 n" o
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附TS393的spice模型:
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' v- B' g0 D/ g+ i# m* WARNING : please consider following remarks before usage/ }! }+ \" i) i. I4 V
*5 Q6 M8 n2 U: v3 [
* 1) All models are a tradeoff between accuracy and complexity (ie. simulation
" P/ I3 x3 B0 u0 Y* time).9 ?1 v, F9 [: z/ @
* 2) Macromodels are not a substitute to breadboarding, they rather confirm the8 q9 g* O- H" N: }1 Z- r, f6 a* `2 {1 e
* validity of a design approach and help to select surrounding component values.0 f( a: }' z0 X
*( ]4 J( B' {, j7 W
* 3) A macromodel emulates the NOMINAL peRFormance of a TYPICAL device within
& Z0 B: U# E- Y" ?4 [* SPECIFIED OPERATING CONDITIONS (ie. temperature, supply voltage, etc.).2 x9 W' Q/ e% T" }8 i6 y
* Thus the macromodel is often not as exhaustive as the datasheet, its goal& r0 k+ }, H; y3 N* `$ H1 N
* is to illustrate the main parameters of the product.8 V* i! Y# V, z' b/ H6 d
*/ ~, |# }, S+ t4 o
* 4) Data issued from macromodels used outside of its specified conditions& i6 Y8 k7 _# U) r% r( Y
* (Vcc, Temperature, etc) or even worse: outside of the device operating / a0 x! X) b( {* F5 y$ ?
* conditions (Vcc, Vicm, etc) are not reliable in any way.
6 S7 C" m8 I$ A2 f4 m*-----------------------------------------------------------------------------------------' M8 I' U* A6 Q9 A, [
* TS393 spice macromodel" V, L# U. `8 F
* CONNECTIONS :& g4 y' L$ ]: C4 I9 u! H6 h0 l
* 1 NON-INVERTING INPUT
2 V7 J! Q& g& p6 u# H- d% a7 Y4 W* 2 INVERTING INPUT
1 U0 k# \6 D1 V3 P6 W7 J+ H* 3 POSITIVE POWER SUPPLY: V" [6 w; [2 I' k0 P- D% F% l
* 4 NEGATIVE POWER SUPPLY7 v4 ?( A9 {; \# x7 V
* 5 OUTPUT. j3 X; t0 A8 o! E7 a6 A+ v
*2 D; I: b1 T) t
**********************************************************& \/ u% U( ~- G
.SUBCKT TS393 2 1 44 55 33' b2 `8 x1 }" S' l- U
EVCCP 4 0 44 0 1.0% K. i0 e' ]- {
EVCCN 5 0 55 0 1.0
, \& t A6 X' X# g# RVREADIO 3 33 DC 05 [7 l/ a. O/ ]+ t) y
G_ICCSAT 44 55 VALUE= {7.5E-6 + 5.0E-7*V(44,55)}( S$ H: X# ^ y6 Z7 {; t
G_IOUT_SINKED 55 0 VALUE={IF (V(1)<V(2), 0, I(VreadIo))}. n g4 \' \/ }. D0 V' K+ R) W
.MODEL MDTH D IS=1E-11 KF=1.050321E-32 CJO=10F
5 o+ e' v, E" f7 h, P/ ]/ b( y.MODEL DIDEAL D N=0.1 IS=1E-08- J4 i# G/ `" ]# ^
* INPUT STAGE
" s$ A. _9 K, M7 |& m6 E6 V9 oCIP 2 5 1.000000E-12
' d( Y# C0 p7 iCIN 1 5 1.000000E-12/ i$ R8 i2 K7 ]( ^4 \3 p
EIP 10 0 2 0 1
6 d4 V2 y# R4 ZEIN 16 0 1 0 1
% O+ j) W2 s/ l x% l) z+ CRIP 10 11 6.500000E+01
6 E5 n# J J: T% Q4 ~6 T5 n; uRIN 15 16 6.500000E+01
' p6 F% Y) u6 U% CRIS 11 15 1.939046E+02
$ k) k$ y0 W+ B' YDIP 11 12 MDTH 400E-12
& z/ H1 J3 K, b& m, p5 L$ J0 Z6 U% NDIN 15 14 MDTH 400E-12* P) K& X: S- P) h
VOFP 12 13 DC 0.000000E+00
2 j o; M; d& R# AVOFN 13 14 DC 09 V( K% Q; V8 \; C
IPOL 13 0 100E-06
* L, V, A$ z* ]% m; @4 `0 f+ ~6 l U1 d; uCPS 11 15 8.5E-09* \( v3 D- m( u7 o" k: e( P# d! X' {
DINN 17 13 MDTH 400E-121 O$ l8 |0 c( o$ U$ p
VIN 17 5 0.000000e+00
1 i4 [: R) Y* k3 rDINR 15 18 MDTH 400E-12
0 R: d' \) H( G' b5 q2 d8 SVIP 4 18 1.200000E+009 u6 e; i$ \; r* j
FCP 4 5 VOFP 0.00 # s* ]# @ k& p$ p% v
FCN 5 4 VOFN 0.00 * j7 Q& e* L) c; b/ V
FIBP 2 0 VOFN 2.000000E-084 Q2 _9 f! G1 V
FIBN 0 1 VOFP 2.000000E-08
1 ^* t: R) L6 c& ^# ? i/ m* AMPLIFYING STAGE
, y/ g" a4 t# WRG1 5 19 2.8E+05
3 c, r9 W. C1 a* c2 uRG2 4 19 2.8E+050 O/ S6 R- s4 e
DONM 21 19 MDTH 400E-12
: J! d5 y I6 |9 L/ H# o CHONM 21 27 VOUT 3000# K6 D) J3 n! S
VINM 5 27 135
8 j) ]' q" d1 {8 ~6 jDOP 19 25 MDTH 400E-12
4 W, w6 Z" x& D4 O2 V b( p3 Y' |VOP 4 25 1.0970 u, V6 T1 h" A( B) G/ z' V5 u
DON 24 19 MDTH 400E-12' |1 t& C! \( M7 n/ B
VON 24 5 1.097
, r5 }! F" ~5 F- D. fFIP 0 19 VOFP 104
; _- m9 `. X* |% O6 q1 YFIN 0 19 VOFN 104- \" l# W6 s- U( { W
EOUT 26 23 19 5 1
/ k0 S. B: o4 e0 |! N( n' g V. ~# OVOUT 23 5 0V4 q4 ~& F2 b* e, O
RFUIT 126 5 2.5E+09
1 j1 {' T a* R- oDOUT 126 26 DIDEAL 400E-12
; e- y( @0 e! w7 gROUT 126 3 28.336 S8 J9 X6 g7 P3 d! Y W8 }
.ENDS7 R. z7 R& D# u" A4 s) x
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