|
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:! z. d" r1 t& c' G6 O1 z
* TS393 spice macromodel; h9 y: z3 {. g
* CONNECTIONS :9 [, N" Z, N Q! ]% v; L' U& o% N
* 1 NON-INVERTING INPUT
( N/ G) P& F6 P; e3 D* 2 INVERTING INPUT6 [: [, y1 ^, I& I( i5 a) V+ h: b
* 3 POSITIVE POWER SUPPLY5 M3 ^4 F4 e, Y$ z
* 4 NEGATIVE POWER SUPPLY( D9 m! M. i1 D/ Z- W+ m& _
* 5 OUTPUT
) d: p! y& `" Q7 ~* V" D1 N$ s j9 T3 D! k2 |+ g: f
但是后面的内容没有3、4、5脚,却是这样写的:
& L7 p. [3 T$ v3 R" q.SUBCKT TS393 2 1 44 55 33
7 w B; f; v6 f. X2 N+ s% g. `% T! \. Y+ D' p9 Y" b
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?
: ~ \% B% ^& Y8 x) @" D8 {: _
2 Q \) t! x0 m谢谢!, _; u5 f4 ?6 x5 Y3 C& r
- q# X7 ^( C2 f& s+ H
附TS393的spice模型:
4 f3 _3 W4 E% t# k3 X* O! h# |0 t8 Y# L2 |5 F) ~# c
* WARNING : please consider following remarks before usage x/ x4 P& O! l% U
*8 L+ C# D7 i2 }4 V4 }
* 1) All models are a tradeoff between accuracy and complexity (ie. simulation , A+ t; ^9 ]7 ~
* time).
) ]. X/ b) Y8 v {* 2) Macromodels are not a substitute to breadboarding, they rather confirm the
$ [3 K9 a' e+ `' z( Q' r" A' Y* validity of a design approach and help to select surrounding component values.) \. Q' D+ k# d( H" t
*
4 M( k I4 V2 f# U9 ^* 3) A macromodel emulates the NOMINAL peRFormance of a TYPICAL device within
, G# G& z" `+ M) A. L9 Z$ {* SPECIFIED OPERATING CONDITIONS (ie. temperature, supply voltage, etc.)., h6 t) B! c& D! E
* Thus the macromodel is often not as exhaustive as the datasheet, its goal
7 u" r3 T0 `& q$ R+ A' }5 v* is to illustrate the main parameters of the product.' o K1 W& Z- N0 G
*
% x7 t6 K, ]1 X% q' ]* 4) Data issued from macromodels used outside of its specified conditions$ E; \5 L4 x, L! F3 O/ c4 ~
* (Vcc, Temperature, etc) or even worse: outside of the device operating
& } O9 q$ c+ _7 V7 n. r1 U* conditions (Vcc, Vicm, etc) are not reliable in any way.
$ A( W% n h0 W9 z6 i*-----------------------------------------------------------------------------------------
* M- N3 z* h# F# o# D* TS393 spice macromodel" [" u6 D% G8 |3 n+ _- i) J
* CONNECTIONS :
- Z* t; T' r4 ]* ]7 _8 ~* Q- J* 1 NON-INVERTING INPUT
6 l! h2 m- X# a! l! _( {* 2 INVERTING INPUT
3 N F: l+ y3 c2 N6 l/ ~3 F* 3 POSITIVE POWER SUPPLY
; j# j) Q( g& a2 l4 I& B* 4 NEGATIVE POWER SUPPLY
7 S& X5 X4 r- p8 N* 5 OUTPUT
) u8 j( E Z4 q*
9 G( w `2 v/ x- o/ W**********************************************************
" f V* {, s; {/ E; }- Q.SUBCKT TS393 2 1 44 55 33
}1 B. E8 t, N4 Q5 [0 `EVCCP 4 0 44 0 1.04 U+ s2 _# p# V. q2 ^
EVCCN 5 0 55 0 1.0' O0 \. H. {. A7 l' e+ g7 R; u
VREADIO 3 33 DC 0
3 P! M( n8 n7 m/ z7 { kG_ICCSAT 44 55 VALUE= {7.5E-6 + 5.0E-7*V(44,55)}
( V# v$ y! {2 Y9 `G_IOUT_SINKED 55 0 VALUE={IF (V(1)<V(2), 0, I(VreadIo))}
' }2 j" W* H& K9 |/ e.MODEL MDTH D IS=1E-11 KF=1.050321E-32 CJO=10F
; B+ p/ d1 C1 r& R2 z4 h.MODEL DIDEAL D N=0.1 IS=1E-08- w% V. O+ L1 a4 t; F
* INPUT STAGE' b9 p$ J" j6 k- w' m
CIP 2 5 1.000000E-12# m- [' o- N" f9 F5 \6 Z4 J' `2 |
CIN 1 5 1.000000E-127 T, j0 Q* V5 T8 Y/ E8 N/ N4 w
EIP 10 0 2 0 1
- o( `9 q* n$ f4 ?EIN 16 0 1 0 19 ]# ~- v! g7 v1 `8 ]3 i$ A
RIP 10 11 6.500000E+01
+ y3 K( |" V& a( x' h1 z* NRIN 15 16 6.500000E+01. r3 j- v/ m' m2 l" T- |6 h( N
RIS 11 15 1.939046E+02
9 n) k+ o! H: Q- _, a0 ^2 X- uDIP 11 12 MDTH 400E-12( ?9 m: }2 k2 |. P/ M. H
DIN 15 14 MDTH 400E-12/ d- V4 f. L9 r6 |0 X
VOFP 12 13 DC 0.000000E+00
0 C% w) Y% W: w, dVOFN 13 14 DC 0
2 r$ a' v4 H4 q/ ^# RIPOL 13 0 100E-063 W+ g9 I) L0 z6 G" Y8 s4 K
CPS 11 15 8.5E-09
' m- e9 L/ @# l+ I- D3 b+ b6 r) uDINN 17 13 MDTH 400E-12
+ v9 x" P! b3 q' g! n6 dVIN 17 5 0.000000e+00
1 Y7 j- g w6 L4 Z2 M: P7 o2 A# r# fDINR 15 18 MDTH 400E-12
) m( t% G8 k$ O1 [0 hVIP 4 18 1.200000E+00
" h+ }5 U7 n4 X4 E1 GFCP 4 5 VOFP 0.00
g4 C: w" t) T. {' \# e4 KFCN 5 4 VOFN 0.00
5 m N i8 I. T) NFIBP 2 0 VOFN 2.000000E-08
- b5 q; H/ J( [6 {; mFIBN 0 1 VOFP 2.000000E-08, ?2 D8 A; Z4 x% D' f' H' c
* AMPLIFYING STAGE' r! P3 R4 r& L% Y J1 M; I
RG1 5 19 2.8E+05
* F% Y/ A8 ^. \* [RG2 4 19 2.8E+05
) w! j$ A% M$ o* T8 s/ }DONM 21 19 MDTH 400E-12
9 P& Z4 K# K+ t9 X9 B3 N1 L8 ~. L* \HONM 21 27 VOUT 3000
) K6 Y8 i# V& I# @# z, C0 CVINM 5 27 135
: J8 W8 A0 @7 n' X2 |0 |) L3 fDOP 19 25 MDTH 400E-125 H& N. g2 q: Z! |; F7 D( p
VOP 4 25 1.097
. s ~$ p- w- S( u" e2 wDON 24 19 MDTH 400E-12, `7 `3 B+ }: P+ ?, J- d
VON 24 5 1.097
6 t* D. S j6 pFIP 0 19 VOFP 104
4 l3 c1 H; f# u" e( |" HFIN 0 19 VOFN 104* E# z i `* t- c. | H9 b
EOUT 26 23 19 5 1
2 n' L; G3 S# }! R' M( ?VOUT 23 5 0V
8 i$ _6 u) H( ~) k X% nRFUIT 126 5 2.5E+09
' o4 t; m7 O# p/ y8 [DOUT 126 26 DIDEAL 400E-12. ~3 u2 ]; } B) r9 v0 L
ROUT 126 3 28.33
, D! @' u9 X1 X) |.ENDS
, h0 G) h# t8 g; p" U2 E/ `$ ]2 J! W6 D) {" W
|
|