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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:3 C: ~' J: i. S
* TS393 spice macromodel
. O9 h$ v5 L" S& P! X* CONNECTIONS :0 ]8 y* R ^8 C0 G! d
* 1 NON-INVERTING INPUT( K$ b4 X7 k8 {& E9 Z
* 2 INVERTING INPUT0 {/ V5 K5 I* t) H
* 3 POSITIVE POWER SUPPLY
8 ?% R/ s$ I& I3 v8 H% X4 W' ?* 4 NEGATIVE POWER SUPPLY- L' Y/ Q" i+ K: R* _, z
* 5 OUTPUT3 M" j* e9 x3 g+ P$ U h
& w/ t$ v) r9 S3 a
但是后面的内容没有3、4、5脚,却是这样写的:
- r$ \: K! j( U* G& d5 Y7 T& O: S.SUBCKT TS393 2 1 44 55 33: j* s. |' [& ? i P& \
' Q- j) n5 y+ o, a
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?
+ A6 u' _& k0 v- a4 U
8 a% [2 V/ `/ \6 l1 q# Q谢谢!
# E7 I Z5 J4 Z% e
2 e, y0 I# t" C3 G6 g; `附TS393的spice模型:
5 S6 W* O( f0 B1 F8 u* i6 ~- S1 u
8 I5 S4 H+ k! T1 y' g. g& ^9 m9 T* WARNING : please consider following remarks before usage# ^4 ~6 P5 J2 {5 K A4 _
*& J7 b, y" ~' @5 d
* 1) All models are a tradeoff between accuracy and complexity (ie. simulation
$ D8 f% B0 T2 {% X* time).4 W9 X7 \1 s6 J, P4 K
* 2) Macromodels are not a substitute to breadboarding, they rather confirm the
0 X) R5 H4 ^+ W& L1 R* validity of a design approach and help to select surrounding component values.
7 L' C4 C" ~! e*
# ?' a. s/ y V) `% W* 3) A macromodel emulates the NOMINAL performance of a TYPICAL device within : j3 T) v8 ]2 _: k, r9 r( W+ P
* SPECIFIED OPERATING CONDITIONS (ie. temperature, supply voltage, etc.).& |; G/ I* q" o! A- `
* Thus the macromodel is often not as exhaustive as the datasheet, its goal# U! |% {4 ]6 s3 j" s
* is to illustrate the main parameters of the product.5 G: w, I9 X1 U+ q; |. }0 z
*" w( ]2 D+ t: U0 u) Q" k
* 4) Data issued from macromodels used outside of its specified conditions+ \# ?8 q" }( v. E8 H
* (Vcc, Temperature, etc) or even worse: outside of the device operating
4 J/ F: o& _7 _- B0 X% ^* conditions (Vcc, Vicm, etc) are not reliable in any way.8 o, H/ J* s$ y; u+ H V
*-----------------------------------------------------------------------------------------
+ ]$ U5 y$ `/ h' P5 Q' r- p* TS393 spice macromodel" |5 N" l; T2 Y$ e# [9 ~) f
* CONNECTIONS :- }% ]+ P; \( D5 ^7 X: P6 A! Z3 p# h
* 1 NON-INVERTING INPUT- ^+ c" T0 n( w. o- R3 I4 ]2 {
* 2 INVERTING INPUT
: m. \- U4 V3 {3 @" K: M0 O" D* 3 POSITIVE POWER SUPPLY
% N& V* I0 E+ v5 \' M4 F7 u* 4 NEGATIVE POWER SUPPLY5 @. n7 ]' e2 o/ d0 I8 X
* 5 OUTPUT
8 U5 G- B8 r* O- b*& w1 ?2 B: }( U) j
**********************************************************' \2 K7 Q, G. U' d: e
.SUBCKT TS393 2 1 44 55 33
" b/ p0 P& S- zEVCCP 4 0 44 0 1.0# Y3 r n! _. i4 g! R- T
EVCCN 5 0 55 0 1.0$ O! [6 o+ L" E) G+ j# R/ F
VREADIO 3 33 DC 0
/ D& x% w- u- j! s2 xG_ICCSAT 44 55 VALUE= {7.5E-6 + 5.0E-7*V(44,55)}
( U9 l1 r. ^1 [2 uG_IOUT_SINKED 55 0 VALUE={IF (V(1)<V(2), 0, I(VreadIo))}4 s+ D' C+ {2 n/ O. Z' E
.MODEL MDTH D IS=1E-11 KF=1.050321E-32 CJO=10F
8 l4 d' d6 j8 R* T/ [.MODEL DIDEAL D N=0.1 IS=1E-08# \# A! {3 H* n o5 F$ M- Z0 a/ I
* INPUT STAGE: x+ Y' Q+ R: M8 x
CIP 2 5 1.000000E-12
% Z, i, e2 @3 @3 D" j4 \CIN 1 5 1.000000E-12- ^% e( Z" E! O0 N
EIP 10 0 2 0 14 d% p) B5 M }0 s1 z% E
EIN 16 0 1 0 1 N' }5 v4 p+ C3 {5 t" [
RIP 10 11 6.500000E+01
; v. Q! r0 U' H. h9 o3 I0 SRIN 15 16 6.500000E+01- G& h; f" c6 m
RIS 11 15 1.939046E+02' n; X2 Q5 L& H, i w' v% q# Y( y
DIP 11 12 MDTH 400E-12& S) Y% Y' L1 C; C" @' [" z
DIN 15 14 MDTH 400E-12* u2 ?6 x1 l3 g7 k
VOFP 12 13 DC 0.000000E+00
( k. ?3 K. X: ]4 U/ eVOFN 13 14 DC 0
! f5 r$ E* p) iIPOL 13 0 100E-06
# A- A; {8 h" F/ a" sCPS 11 15 8.5E-09% Y) h$ b! V, f/ F
DINN 17 13 MDTH 400E-12+ ]' F/ v6 u* } s- E8 P4 e
VIN 17 5 0.000000e+00. |$ E9 o# e4 b) U4 m9 [2 p1 z
DINR 15 18 MDTH 400E-12
- ~+ t G6 {& ]) I9 t, N( BVIP 4 18 1.200000E+00- U+ C2 f9 |5 G+ |/ Q5 t. h
FCP 4 5 VOFP 0.00
: S5 L+ a6 @* |/ ?! e* o2 [1 r6 bFCN 5 4 VOFN 0.00 8 r! p' W, [- P: Z8 j. M+ }
FIBP 2 0 VOFN 2.000000E-081 x9 A# K. L8 e# ]( r( T
FIBN 0 1 VOFP 2.000000E-08
0 t% h& z! @- y( d7 z4 I* AMPLIFYING STAGE9 ]. Q/ j# K3 M' }- O9 u9 [9 ~& }3 k
RG1 5 19 2.8E+058 x' Z8 ^2 j! K4 f8 E
RG2 4 19 2.8E+05
: z2 w( G% ~5 h4 @6 T# @0 N7 K3 {DONM 21 19 MDTH 400E-12
6 W. p" c+ W( v8 XHONM 21 27 VOUT 30007 J4 u$ Y0 f! Y1 \. u9 o. r4 y
VINM 5 27 135
' G5 g8 M+ V8 F9 q. j4 ?- mDOP 19 25 MDTH 400E-12
3 Z8 e1 }8 m2 w0 c$ R/ yVOP 4 25 1.097- A$ U; C$ j2 x
DON 24 19 MDTH 400E-125 v" ]: ]9 c) x% F+ D
VON 24 5 1.097
5 i# H# x# [, W& L v$ dFIP 0 19 VOFP 104
; T! J' T! N3 m5 ^5 M K: P, @FIN 0 19 VOFN 104# B$ K/ [4 b# }+ G: N2 T
EOUT 26 23 19 5 1
, d- R5 H! h+ q1 v _VOUT 23 5 0V
# x6 U9 X$ K8 U1 W- q% s' O0 yRFUIT 126 5 2.5E+09" U& `( ?1 F3 ]; R' p
DOUT 126 26 DIDEAL 400E-12
Y. J- ]3 O! ]. \! e8 GROUT 126 3 28.33) r, g$ A8 a' M3 ~
.ENDS4 S3 @( u) R8 P0 V' ]7 U2 h i ~
/ u ~: R7 X' P
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