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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:+ [, J( Z: \4 P9 v( \3 h
* TS393 spice macromodel2 r9 Y" [% w+ F/ S- h4 S
* CONNECTIONS :
Z/ s2 [: j9 y) k% d* 1 NON-INVERTING INPUT
# z/ u# m9 P* h o/ ]7 {* 2 INVERTING INPUT
3 ]3 [/ ]/ _$ w, j+ X' e: K2 R* 3 POSITIVE POWER SUPPLY( K+ V3 m8 u, T3 e5 i) R
* 4 NEGATIVE POWER SUPPLY; ~: j; V. Z/ }- O. l% ]& i' @
* 5 OUTPUT
& d- @% I* g' s8 X* h0 d Z% G7 v5 A+ p# V- l
但是后面的内容没有3、4、5脚,却是这样写的:# A7 r* w2 S! V5 {. Y
.SUBCKT TS393 2 1 44 55 33
+ _! o' |' H7 T& |' T. }( v1 ?
) W6 P# a. n3 k5 \- 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?1 H: d" N6 t- k3 U- E
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谢谢!- _& i/ |: w/ C0 H8 i6 j- b
, F8 r D7 J: Y附TS393的spice模型:; r& P: }. x* s* d
% M& t4 Q3 ]) H2 l, P
* WARNING : please consider following remarks before usage* z4 {( @5 P- g! b$ t
*; U: R$ B7 m0 j( N- F
* 1) All models are a tradeoff between accuracy and complexity (ie. simulation ( Y6 e# |2 T6 z! {8 {" u" i
* time).
) Q# B8 e6 n) k- x3 }* 2) Macromodels are not a substitute to breadboarding, they rather confirm the
7 C0 G, Y; g1 l- E2 V* validity of a design approach and help to select surrounding component values. |6 z* ^3 M6 S; ~/ F m) B
*
1 P$ |/ Y% m. M6 E/ A0 \0 P3 O3 z* 3) A macromodel emulates the NOMINAL performance of a TYPICAL device within
0 U1 x" e+ F& [: Z% @4 L' l* SPECIFIED OPERATING CONDITIONS (ie. temperature, supply voltage, etc.).
$ V& d0 t) j5 X. @+ B* Thus the macromodel is often not as exhaustive as the datasheet, its goal& X8 y9 E5 f0 x* ?
* is to illustrate the main parameters of the product.) b! `7 i$ A2 ]1 s( v
*# F, l X+ P3 u0 C+ S
* 4) Data issued from macromodels used outside of its specified conditions
7 a5 c3 g3 z6 A" w+ J0 ~. g* (Vcc, Temperature, etc) or even worse: outside of the device operating
8 H8 S* B2 U; g1 O" H* conditions (Vcc, Vicm, etc) are not reliable in any way." O( G' L1 T2 Y8 f
*-----------------------------------------------------------------------------------------7 S! _* h' t4 N
* TS393 spice macromodel( L6 Q E6 M/ ~* I6 F1 K; ^- E" R
* CONNECTIONS :- ?/ t3 V+ m1 i9 ~
* 1 NON-INVERTING INPUT
* _+ f$ v2 H" F9 s% c- U* 2 INVERTING INPUT8 a% X6 z( M0 R4 q2 d) p
* 3 POSITIVE POWER SUPPLY; Y& @6 x7 p( L1 j) O5 G
* 4 NEGATIVE POWER SUPPLY
7 J3 F7 l+ M4 T6 ~$ n* 5 OUTPUT8 N6 T, p* j; T5 Y: t q) J
*
. {: M/ d; B4 w! R; {**********************************************************
! q7 Z+ S+ a, V! |0 Q.SUBCKT TS393 2 1 44 55 33
- r3 O. @6 p1 I" nEVCCP 4 0 44 0 1.03 f* V( P. f4 ^1 p t/ e' A5 ^$ i
EVCCN 5 0 55 0 1.0- D5 c; ~( d" `% G/ Y8 g0 t# {1 ?
VREADIO 3 33 DC 0
. Z( M+ D. V: m' NG_ICCSAT 44 55 VALUE= {7.5E-6 + 5.0E-7*V(44,55)}+ |2 F d1 u$ K- P
G_IOUT_SINKED 55 0 VALUE={IF (V(1)<V(2), 0, I(VreadIo))}
8 m$ z, c2 R1 @: u. X. `( i.MODEL MDTH D IS=1E-11 KF=1.050321E-32 CJO=10F
! T* F! M6 g9 ?.MODEL DIDEAL D N=0.1 IS=1E-08% E! z1 z0 W# I2 Y; _6 l! f! }' F
* INPUT STAGE
. I6 P. q0 t6 ~% h, HCIP 2 5 1.000000E-12* Z6 J- t) A: C4 y3 g5 }$ }2 u- g
CIN 1 5 1.000000E-129 C# y6 l# d9 ^6 {! R4 g
EIP 10 0 2 0 1# k9 \, G# E O- j( z; u- d: Q. ?5 a! W
EIN 16 0 1 0 1
. f Q; j, o* u3 u4 N8 \: ]RIP 10 11 6.500000E+01
4 P+ n$ t. O+ p# I4 {. _0 W* ~6 Z6 nRIN 15 16 6.500000E+01
) `. F: f3 y, `7 r1 jRIS 11 15 1.939046E+027 \- I, F0 ^2 V: M) g
DIP 11 12 MDTH 400E-12
2 P9 ~5 m$ ~; ~" N5 [DIN 15 14 MDTH 400E-121 Y7 s' v& y" O
VOFP 12 13 DC 0.000000E+005 t% J$ y( P- R. v
VOFN 13 14 DC 0- j5 x, J! u- D. s
IPOL 13 0 100E-069 h! I8 j5 C! m1 @8 ?' B* n6 i5 @
CPS 11 15 8.5E-09
- c6 E" u$ d$ R ^; TDINN 17 13 MDTH 400E-12+ b9 F& H1 _' P/ F9 x+ l) d. }
VIN 17 5 0.000000e+00
# v5 ?$ A4 `1 K, ~9 eDINR 15 18 MDTH 400E-12
4 ^7 w5 `2 |8 F# R0 K: d# p: uVIP 4 18 1.200000E+00" a+ O8 d* ^& J: F# Y( H- @
FCP 4 5 VOFP 0.00 3 d7 t$ m& `# P
FCN 5 4 VOFN 0.00 * r- a% j* }# _3 ^! W
FIBP 2 0 VOFN 2.000000E-083 x) N& b, v& N: F4 [& J
FIBN 0 1 VOFP 2.000000E-08
4 A7 e! d4 s$ v. a4 M* AMPLIFYING STAGE
; t3 t4 y3 ~7 {9 @! N3 [0 E5 BRG1 5 19 2.8E+059 H8 j0 P% @8 X% o$ h7 ]3 W
RG2 4 19 2.8E+058 @0 Z6 x" w, h' ]* X" b$ z/ a
DONM 21 19 MDTH 400E-12. P. l* M' A' q* h0 `. ] k
HONM 21 27 VOUT 3000
* f: Z6 J% Q( O7 T% K M- OVINM 5 27 135
; Y; q- Y; O' z' I7 j3 K ]DOP 19 25 MDTH 400E-12
- R. ?& Z6 [" y) B6 ]* p# H0 a1 JVOP 4 25 1.097. }9 w& K& ?9 p
DON 24 19 MDTH 400E-12- B3 Y# o" F$ T$ o2 a7 S( x- ~
VON 24 5 1.097
" @* ~8 q3 t0 @( RFIP 0 19 VOFP 104
1 }# p% x) }7 xFIN 0 19 VOFN 104
$ `6 I9 H: D$ f6 E5 n) s: C/ Q4 ]EOUT 26 23 19 5 1" K _- A4 N( j
VOUT 23 5 0V
0 z6 E$ m' G5 T. V8 fRFUIT 126 5 2.5E+09 ~: {8 |# a3 f4 m
DOUT 126 26 DIDEAL 400E-12% X& B/ B* [( u: Y4 C o Q
ROUT 126 3 28.33# {- h. P& j) M
.ENDS2 E" Q; I9 ?% e/ G
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