*
*LF353 Wide Bandwidth Dual JFET-Input OP-AMP MACRO-MODEL
*
* connections:    non-inverting input
*                 |   inverting input
*                 |   |   positive power supply
*                 |   |   |   negative power supply
*                 |   |   |   |   output
*                 |   |   |   |   |
*                 |   |   |   |   |
.SUBCKT LF353     1   2  99  50  28
*
*Features:
*Low supply current =                1.8mA
*Wide bandwidth =                     4MHz
*High slew rate =                   13V/uS
*Low offset voltage =                 10mV
*
*NOTE: Model is for single device only and simulated
*      supply current is 1/2 of total device current.
*
IOS 2 1 25P
R1 1 3 1E12
R2 3 2 1E12
I1 99 4 100U
J1 5 2 4 JX353
J2 6 7 4 JX353
R3 5 50 20K
R4 6 50 20K
C4 5 6 3.31573E-13
I2 99 50 1.7MA
*EOS 7 1 POLY(1) 16 49 5E-3 1
BOS 7 1 v= 5E-3 + 1*v(16,49) 
R8 99 49 50K
R9 49 50 50K
V2 99 8 2.13
D1 9 8 DX353
D2 10 9 DX353
V3 10 50 2.13
EH 99 98 99 49 1
*F1 9 98 POLY(1) VA3 0 0 0 1.0985E7
B1 9 98 i= 0 + 0*i(VA3) + 0*i(VA3)^2 + 1.0985E7*i(VA3)^3
G1 98 9 5 6 1E-3
R5 98 9 100MEG
VA3 9 11 0
C3 98 11 39.493P
G3 98 15 9 49 1E-6
R12 98 15 1MEG
C5 98 15 3.7894E-15
G4 98 16 3 49 1E-8
L2 98 17 31.831M
R13 17 16 1K
F6  99 50 VA7 1
F5  99 23 VA8 1
D5  21 23 DX353
VA7 99 21 0
D6  23 99 DX353
E1  99 26 99 15 1
VA8 26 27 0
R16 27 28 35
V5  28 25 0.1V
D4  25 15 DX353
V4  24 28 0.1V
D3  15 24 DX353
.ENDS LF353
.MODEL DX353 D(IS=1E-15)
.MODEL JX353 PJF(BETA=1.25E-5 VTO=-2.00 IS=50E-12)