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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:
' c4 ^7 | t* ~8 M1 |; Q1 p4 ]* TS393 spice macromodel
# t7 N7 y2 \2 {2 D1 _* CONNECTIONS :: k2 b6 W! I4 @% z l7 _
* 1 NON-INVERTING INPUT) B9 ]/ a$ `8 t) I9 L1 b, g" j
* 2 INVERTING INPUT
+ [, [9 Q# |$ L3 O* 3 POSITIVE POWER SUPPLY
# p0 B3 s! N" n* 4 NEGATIVE POWER SUPPLY. G8 [; _( ^5 p
* 5 OUTPUT1 H8 R1 F6 T& I/ K. C
; \. x8 R7 C% x! [3 T8 \- X
但是后面的内容没有3、4、5脚,却是这样写的:
8 J3 Y, S( Q0 K. r8 x2 w4 V5 E.SUBCKT TS393 2 1 44 55 33
$ y' n- L; @/ t7 P$ F0 U& o
+ V2 L6 ]( X" Z; `: v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!
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附TS393的spice模型:# Q& h- c# `, U: S& T
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* WARNING : please consider following remarks before usage; d: K* t# `# |, k( g
*
; X( C+ J' `3 @( @$ M+ A* 1) All models are a tradeoff between accuracy and complexity (ie. simulation 0 |- _5 _, f" c
* time).) c3 |0 M9 q- k7 a- b2 d
* 2) Macromodels are not a substitute to breadboarding, they rather confirm the
& E4 b" ~1 B V0 a4 A5 y, R% G" u* validity of a design approach and help to select surrounding component values.$ n& C# {9 S- a; V2 O V
*
8 Y# I P: t6 x3 j* 3) A macromodel emulates the NOMINAL peRFormance of a TYPICAL device within
1 F$ g) K- h* d3 @1 g& v U* SPECIFIED OPERATING CONDITIONS (ie. temperature, supply voltage, etc.).
0 ^- d4 ?, f2 I. \, A$ B* Thus the macromodel is often not as exhaustive as the datasheet, its goal
8 m9 C/ R6 I3 H9 T: ?9 r* is to illustrate the main parameters of the product., }6 u* W2 T7 l( z/ m$ s+ w. U
*0 p0 ~0 a- o+ H" F$ `) i) S
* 4) Data issued from macromodels used outside of its specified conditions
' o2 _) Y+ v% B6 B* (Vcc, Temperature, etc) or even worse: outside of the device operating
, d# n9 |2 m* @0 E: s; W) T* conditions (Vcc, Vicm, etc) are not reliable in any way.
3 ^8 Z/ Y+ ^/ Z8 Z5 t*-----------------------------------------------------------------------------------------
{" ?4 h% g' n. D9 _* TS393 spice macromodel
9 F4 T; V+ R0 ^. v% i! L9 u* CONNECTIONS :! r7 P) e) V: t" u+ M. v8 I7 }
* 1 NON-INVERTING INPUT
0 n5 C, C& p3 k- V+ E* 2 INVERTING INPUT' [$ }, s I2 n
* 3 POSITIVE POWER SUPPLY
w: B! P( ^3 v6 m* 4 NEGATIVE POWER SUPPLY5 o/ w5 g+ N, |' Y
* 5 OUTPUT# W0 A9 w% X' k9 ]/ p9 I7 }6 c
*
; f. d7 f3 O: _" C+ a0 N**********************************************************' \( F6 f L: [' k$ [2 n, c. g
.SUBCKT TS393 2 1 44 55 337 ^, [% s) L2 K$ Y5 f% }
EVCCP 4 0 44 0 1.0
9 w# v/ k. t- Q7 b& e6 u% C: lEVCCN 5 0 55 0 1.03 V+ n2 ^' ~7 w7 b/ P
VREADIO 3 33 DC 03 r4 o" J. |- \; S% a8 y
G_ICCSAT 44 55 VALUE= {7.5E-6 + 5.0E-7*V(44,55)}
# \6 G |* n; J/ o& u- Y- AG_IOUT_SINKED 55 0 VALUE={IF (V(1)<V(2), 0, I(VreadIo))}
2 ^8 ^1 Z7 m9 j7 Y2 I.MODEL MDTH D IS=1E-11 KF=1.050321E-32 CJO=10F6 J' _( b! B% ~
.MODEL DIDEAL D N=0.1 IS=1E-08
1 f7 N) R% f+ T& e8 r* P5 D* INPUT STAGE" y5 }9 d) e3 z
CIP 2 5 1.000000E-12
$ A( {( H- f- `% p4 v( RCIN 1 5 1.000000E-12+ x" P: r! P9 X1 q+ M7 P( x
EIP 10 0 2 0 16 G0 I+ y/ n9 g4 Z8 y, H
EIN 16 0 1 0 1( U4 ]3 j" W& W
RIP 10 11 6.500000E+01
/ s% I0 S' V* C- ~RIN 15 16 6.500000E+01
# J! u, w+ v9 v- r! VRIS 11 15 1.939046E+025 }6 ]- _8 a9 ~: e2 e& i
DIP 11 12 MDTH 400E-12
6 C! h8 M" Q; D# aDIN 15 14 MDTH 400E-12
/ @ _' B( i. r' C. v, HVOFP 12 13 DC 0.000000E+00
, \" U, \) Y' l8 M. y! I6 xVOFN 13 14 DC 07 ], ~5 C, b1 T. J6 E4 s
IPOL 13 0 100E-065 T) a0 ]0 ?% C# O7 ?: s( A
CPS 11 15 8.5E-09) i# U- `. c6 e; M0 f/ E
DINN 17 13 MDTH 400E-12
6 ^6 L7 u6 \- V" ^# mVIN 17 5 0.000000e+00
( B+ w$ h( W( z6 L: p1 i7 l" ?DINR 15 18 MDTH 400E-12
( G# c/ G4 O7 n5 G. Q/ C ZVIP 4 18 1.200000E+00* s) }5 k( h9 C- |7 n' f4 g- [
FCP 4 5 VOFP 0.00 6 |1 J2 ]4 i% V |# c1 r. `
FCN 5 4 VOFN 0.00
) Q; x4 p. y+ o1 S1 cFIBP 2 0 VOFN 2.000000E-088 W& ]9 U# J, {: @/ z2 Q
FIBN 0 1 VOFP 2.000000E-088 o0 U' Y2 Y y0 Z! B' n X8 N/ G: L
* AMPLIFYING STAGE
& ~7 m7 k# Y YRG1 5 19 2.8E+05+ |+ Z# g1 @, H6 l U' |3 v8 y* ~
RG2 4 19 2.8E+05/ d+ g' W5 R8 }- [1 w. B! W4 M! ?8 V
DONM 21 19 MDTH 400E-12
; S/ V7 J. X, w* Y. HHONM 21 27 VOUT 3000
: `. P& M9 R- J' l4 }VINM 5 27 1351 k. \$ _' ~8 y
DOP 19 25 MDTH 400E-12
" n; J9 A7 M. N; I6 F7 Q s& oVOP 4 25 1.097
- ^2 k+ Q; b' E& Y. uDON 24 19 MDTH 400E-12% c- {* \4 Z# \5 ?
VON 24 5 1.097
, U1 I9 V7 E% f$ s3 g: R# cFIP 0 19 VOFP 104 % r; l$ u' L* z0 l
FIN 0 19 VOFN 104
) r8 @' Z% w& K8 \9 AEOUT 26 23 19 5 1: w5 O. G2 N; \! i# M0 k. V
VOUT 23 5 0V" y. x8 @! B3 c% _' I2 M; g/ e
RFUIT 126 5 2.5E+09# H* j' r7 f m. j) k
DOUT 126 26 DIDEAL 400E-12
' z5 `" ^% M' j7 Y# n$ B3 X9 JROUT 126 3 28.33
& W' e+ A, F5 r/ @" |.ENDS& D; S" v! M! P- ]3 v( F9 |
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