|
EDA365欢迎您登录!
您需要 登录 才可以下载或查看,没有帐号?注册
x
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:( J8 ~0 X5 V! m% V: S/ G; F: {) b
* TS393 spice macromodel* v5 F) y; d5 u% n) k0 ]
* CONNECTIONS :# I' Y0 ?- ^! v
* 1 NON-INVERTING INPUT6 g& V \7 z) `" _
* 2 INVERTING INPUT1 J* @( I4 ~# Z- L% P9 n
* 3 POSITIVE POWER SUPPLY
6 g9 k% ]' \; ^* 4 NEGATIVE POWER SUPPLY
8 L/ d: g+ n* {, ?* 5 OUTPUT
: f% u9 k: b* v- ]$ z0 I2 O4 a) C) Y
但是后面的内容没有3、4、5脚,却是这样写的:
5 n, J$ L* v) L" X8 w% L.SUBCKT TS393 2 1 44 55 33 s; A2 a# Z# R
# q! F$ C! V' J4 `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?2 c4 A) z+ O2 u( N7 u+ ?* |
( I8 T+ f7 _# V
谢谢!
9 e( @% L8 K, k6 Z* x$ D
) e: }$ P6 N: y8 F u附TS393的spice模型:
# Z3 C6 ?- z* ?7 T& y/ \" K" o) _: f# Z. }
* WARNING : please consider following remarks before usage4 b+ i& f; k) ]& e4 i( U' J( S
*/ B. h2 _( K8 Q" W$ w& |
* 1) All models are a tradeoff between accuracy and complexity (ie. simulation # s7 }2 ~' m1 [3 ~* v$ S& Y# Q
* time).! _! E1 q& `8 `
* 2) Macromodels are not a substitute to breadboarding, they rather confirm the: e3 o3 F! c& L& {& v* f
* validity of a design approach and help to select surrounding component values.% @8 O2 X7 R# J- \5 k- `5 T
*
! p! Y5 O: P/ C* 3) A macromodel emulates the NOMINAL peRFormance of a TYPICAL device within , w# |& N/ B# z% @' a
* SPECIFIED OPERATING CONDITIONS (ie. temperature, supply voltage, etc.).: @5 P9 u9 U' Z
* Thus the macromodel is often not as exhaustive as the datasheet, its goal% ^) S w1 m5 ^; ]+ Q! `: ^+ d
* is to illustrate the main parameters of the product.: h9 j1 U* T7 E
*
, A4 i1 P6 ]* G* 4) Data issued from macromodels used outside of its specified conditions( P# U3 \0 Y+ f8 i5 |
* (Vcc, Temperature, etc) or even worse: outside of the device operating - I0 J$ `5 H l6 F% N
* conditions (Vcc, Vicm, etc) are not reliable in any way.
- i/ c+ A" e: m2 j# j*-----------------------------------------------------------------------------------------
7 a4 V; q+ F* b6 Q1 B: D9 d3 W& X* TS393 spice macromodel4 |( A$ M0 b, r
* CONNECTIONS :
W9 I: ?" o: |. S4 t* 1 NON-INVERTING INPUT
. J! K; q3 q. Y9 T2 H; x+ O0 p1 V* 2 INVERTING INPUT, T2 x- m' Q/ m
* 3 POSITIVE POWER SUPPLY
* d+ O1 M- Z- e. T( n' C: t* 4 NEGATIVE POWER SUPPLY
# P' E1 Q- a g% u# M$ Q) E' M P* 5 OUTPUT& v: K4 K Y3 N& R) I3 c
*
2 w& D! _+ a4 S e, x% p**********************************************************
/ K' T* q- D4 T7 }4 B.SUBCKT TS393 2 1 44 55 33
" ]& z7 W. O% Q7 H1 R: h3 P5 ~# iEVCCP 4 0 44 0 1.0+ |: Y) ^2 o, U, ?
EVCCN 5 0 55 0 1.07 w: c) o2 v# z W8 f8 Z
VREADIO 3 33 DC 06 U6 x4 i/ q/ q! J
G_ICCSAT 44 55 VALUE= {7.5E-6 + 5.0E-7*V(44,55)}+ |' [: S" O% \2 X% D
G_IOUT_SINKED 55 0 VALUE={IF (V(1)<V(2), 0, I(VreadIo))}
3 P( T. E. I G# Y.MODEL MDTH D IS=1E-11 KF=1.050321E-32 CJO=10F [! Q" Q3 Z# T; b) G/ E
.MODEL DIDEAL D N=0.1 IS=1E-08
" m$ N( H* g4 Z- T/ Z% x) I* INPUT STAGE
4 L' G, [8 R) e, CCIP 2 5 1.000000E-124 [( `1 E; ~$ S% z* m6 l
CIN 1 5 1.000000E-12" h$ w M, K) A2 T* E- Y; K5 h
EIP 10 0 2 0 1/ t3 ~. I p6 d1 g" t8 R
EIN 16 0 1 0 1$ q5 Y! f9 x$ }- x/ ~' Z; v- |" v
RIP 10 11 6.500000E+010 Y. q V M3 e! a+ {3 Q' W
RIN 15 16 6.500000E+01
+ z0 d' Q) h6 V; U# e' hRIS 11 15 1.939046E+02
& B+ @9 T' o& X% b- D. QDIP 11 12 MDTH 400E-12
7 ]! h; `9 a6 r7 Z YDIN 15 14 MDTH 400E-12
; e% o8 b) _! p1 o- m$ P: bVOFP 12 13 DC 0.000000E+00: t, M- j1 o/ ^
VOFN 13 14 DC 0
# S( n1 r) x4 {5 S( i) ~IPOL 13 0 100E-06
' Y$ X4 C! o5 ?& lCPS 11 15 8.5E-09
# g# R+ M( J9 P8 `- F2 u1 FDINN 17 13 MDTH 400E-12
$ J/ F- g! ~! X( h5 CVIN 17 5 0.000000e+00
+ @$ c2 i$ X# |' ^, G. ^% ]DINR 15 18 MDTH 400E-12- e' A4 M- w- ^5 M7 w
VIP 4 18 1.200000E+004 z4 d, \, G7 j
FCP 4 5 VOFP 0.00 ) o2 I1 K" z8 R2 _ l
FCN 5 4 VOFN 0.00
5 A& C8 Z; c6 p# N/ H( X) IFIBP 2 0 VOFN 2.000000E-08) e1 E p5 l' F2 g$ r
FIBN 0 1 VOFP 2.000000E-08* s: A' O; H. o7 {4 b$ L+ Z+ H
* AMPLIFYING STAGE
7 Z" E! D7 d6 y9 s# f# J$ b" U" MRG1 5 19 2.8E+05
( K# K8 {- l- K6 i! O. TRG2 4 19 2.8E+054 o- \) N: X& ^/ l
DONM 21 19 MDTH 400E-12
& e# ~& i$ a: FHONM 21 27 VOUT 30008 e# t; r& F d4 W0 m
VINM 5 27 135
, g a9 u1 V& [1 q0 R: u) X0 _0 [DOP 19 25 MDTH 400E-12$ W/ s. Z" {5 T( I3 w& `2 Y8 D
VOP 4 25 1.097
; j- F+ c5 J# m' P* {( q! E9 TDON 24 19 MDTH 400E-12
6 V( E/ W5 a9 \% H# o: kVON 24 5 1.0973 c1 K: w+ ?2 A5 p& `; Z" m3 M
FIP 0 19 VOFP 104
/ D0 k7 w) O, [FIN 0 19 VOFN 104
' c, S- ?) w \ o+ V2 {EOUT 26 23 19 5 1
: x0 h, u! D# a& F3 f0 [VOUT 23 5 0V
, P3 v1 i* @1 q' U/ fRFUIT 126 5 2.5E+097 }7 T8 g) X5 W. {4 F. R7 ~6 c$ c
DOUT 126 26 DIDEAL 400E-12
, f5 T! E. v% M% X$ r3 D) bROUT 126 3 28.33
$ i6 f: X* G/ Y* l; i l: X5 R.ENDS$ T/ Z. `* q5 T+ A
# I) u0 Y9 e. g# a0 | |
|