* OPA4131E "Enhanced" operational amplifier "macromodel" subcircuit
* created using Parts release 5.4 on 01/14/95 at 21:25
*
* REV.A     SB - model includes input bias current correction,
*                voltage and current noise.
*
*  ------------------------------------------------------------------------ 
* |  NOTICE: THE INFORMATION PROVIDED HEREIN IS BELIEVED TO BE RELIABLE;   |
* |  HOWEVER; BURR-BROWN ASSUMES NO RESPONSIBILITY FOR INACCURACIES OR     |
* |  OMISSIONS.  BURR-BROWN ASSUMES NO RESPONSIBILITY FOR THE USE OF THIS  |
* |  INFORMATION, AND ALL USE OF SUCH INFORMATION SHALL BE ENTIRELY AT     |
* |  THE USER'S OWN RISK.  NO PATENT RIGHTS OR LICENSES TO ANY OF THE      |
* |  CIRCUITS DESCRIBED HEREIN ARE IMPLIED OR GRANTED TO ANY THIRD PARTY.  |
* |  BURR-BROWN DOES NOT AUTHORIZE OR WARRANT ANY BURR-BROWN PRODUCT FOR   |
* |  USE IN LIFE-SUPPORT DEVICES AND/OR SYSTEMS.                           |
*  ------------------------------------------------------------------------ 
*
* connections:    non-inverting input
*                 | inverting input
*                 | | positive power supply
*                 | | | negative power supply
*                 | | | | output
*                 | | | | |
.subckt OPA4131E  1 2 3 4 5
*
  c1   11 12 4.197E-12
  c2    6  7 18.00E-12
  css  10 99 7.200E-12
  dc    5 53 dx
  de   54  5 dx
  dlp  90 91 dx
  dln  92 90 dx
  dp    4  3 dx
  egnd 99  0 poly(2) (3,0) (4,0) 0 .5 .5
  fb    7 99 poly(5) vb vc ve vlp vln 0 127.3E6 -130E6 130E6 130E6 -130E6
  ga    6  0 11 12 452.4E-6
  gcm   0  6 10 99 45.24E-9
  iss   3 10 dc 252.0E-6
  hlim 90  0 vlim 1K
  j1   11  2  10 jx
  j2   12  64 10 jx
  g11   2  4 Poly(4)  (10,2) (11,2) (4,2) (66,0) 0 1e-12 1e-12 1e-12 3e-6
  g12   1  4 Poly(4)  (10,1) (12,1) (4,1) (68,0) 0 1e-12 1e-12 1e-12 3e-6
  r2    6  9 100.0E3
  rd1   4 11 2.210E3
  rd2   4 12 2.210E3
  ro1   8  5 50
  ro2   7 99 25
* rp    3  4 20.00E3
  rss  10 99 793.7E3
  vb    9  0 dc 0
  vc    3 53 dc 2.500
  ve   54  4 dc 2.500
  vlim  7  8 dc 0
  vlp  91  0 dc 20
  vln   0 92 dc 20
**********************************
* OPA4131 "E" - Enhancements
**********************************
* Output Supply Mirror
FQ3    0    20    Poly(1) Vlim 0   1
DQ1   20    21    DX
DQ2   22    20    DX
VQ1   21     0    0
VQ2   22     0    0
FQ1    3     0    Poly(1) VQ1   1.06E-3   1
FQ2    0     4    Poly(1) VQ2   1.06E-3  -1
* Quiescent Current
RQ     3     4    160E3 
* Diff Input Capacitance
CDIF   1     2    1E-12
* Common Mode Input Capacitance
C1CM   1    99    1.5E-12
C2CM   2    99    1.5E-12
* Input Voltage Noise
VN1   61     0  0.6
VN2    0    62  0.6
DN1   61    63  DY
DN2   63    62  DY
EN    64     1    63   0    1
* Input Current Noise
RN1    0    65  60.3865
RN2   65    66  60.3865
RN3   66     0  120.773
RN4    0    67  60.3865
RN5   67    68  60.3865
RN6   68     0  120.773
**************************
.model dy D(Is=1.9E-16 RS=2000 AF=1 KF=2.258E-17)
.model dx D(Is=800.0E-18)
.model jx PJF(Is=2.500E-12 Beta=812.1E-6 Vto=-1)
.ends OPA4131E