*THS4520 Wideband, Low Noise, Low Distortion Fully Differential Amplifier with Rail-to-Rail Output
* REV. A - Created 10/30/06 X-ramus2@ti.com
*
*
* NOTES:
*   1- This macromodel predicts well: DC, small-signal AC, noise,
*      , and transient performance under a wide range
*      of conditions.
*   2- This macromodel does not predict well: distortion
*      (harmonic, intermod, diff. gain & phase, ...),
*      temperature effects, board parasitics, differences
*      between package styles, and process changes
*   3- For some simulators the subckt for the F statement need to be placed 
*      inside the ends statement followed by carriage return  
*   4- Known Problems: - Do not simulate Iout
*
* |-------------------------------------------------------------|
* |  This macro model is being supplied as an aid to            |
* |  circuit designs.  While it reflects reasonably close       |
* |  similarity to the actual device in terms of performance,   |
* |  it is not suggested as a replacement for breadboarding.    |
* |  Simulation should be used as a forerunner or a supplement  |
* |  to traditional lab testing.                                |
* |                                                             |
* |  Neither this library nor any part may be copied without    |
* |  the express written consent of Texas Instruments Corp.     |
* |-------------------------------------------------------------|
*
* CONNECTIONS: Changes order of pins compareed to original version
*                                      NonInverting Input
*                                       |    Inverting Input
*                                       |    |     Positive Supply
*                                       |    |     |    Negative Supply
*                                       |    |     |     |     Negative Output
*                                       |    |     |     |     |      Positive Supply
*                                       |    |     |     |     |      |     Common Mode Input
*                                       |    |     |     |     |      |     |
*                                       |     |     |     |       |      |      |
*                                       |     |     |     |       |      |      |
*$
.SUBCKT THS4520_Model In+ In- Vs+ Vs- Out- Out+ CM

.PARAM Raol = 1.2k
.PARAM Lp = 30n

C_C1         Vmid N0001  99.47n  
R_R3         N0002 N0001  {Raol}  
R_R5         N0001 Vmid  1T  
E_E2         N0003 Vmid N0001 Vmid 1
R_R7         N0003 N0004  8  
L_L1         N0004 N0005  0.5nH  
C_C3         Vmid N0005  250p  
R_R1         N0007 N0006  30  
R_R2         N0009 N0008  30  
E_E1         N0002 N0010 N0007 N0009 1.02MEG
G_G1         Vs+ N0012 Vs+ N0011 0.7m
E_E10         N0014 Vmid N0013 Vmid 125u
R_R4         N0010 N0015  {Raol}  
E_E3         N0016 Vmid N0015 Vmid 1
R_R8         N0016 N0017  8  
L_L2         N0017 N0018  0.5nH  
C_C4         N0018 Vmid  250p  
C_C2         N0015 Vmid  99.47n  
R_R6         Vmid N0015  1T  
C_C5         Vmid N0019  1p  
L_L5         CM N0020  900nH  
R_R9         N0020 N0019  900  
E_E6         N0021 N0014 N0019 Vmid 1
E_U2         Out- N0021  VALUE={LIMIT(V(N0005,Vmid)*1,V(N0022,Vmid),V(N0023,Vmid))}
V_V12         N0022 Vs- DC 0.25 
R_RV12        N0022 Vmid 1e6
E_U3         Out+ N0021  VALUE={LIMIT(V(N0018,Vmid)*1,V(N0024,Vmid),V(N0025,Vmid))}
V_V14         N0024 Vs- DC 0.25  
R_RV14        N0024 Vmid 1e6
V_V13         Vs+ N0025 DC 0.25  
R_RV13  	   N0025 Vmid 1e6
E_E11         N0013 Vmid POLY(2) In- Vmid  In+ Vmid  0 0.5 0.5
Q_Q2         N0009 In- N0026 NPN8 1
E_E4         Vmid Vs- Vs+ Vs- 0.5
V_V6         N0011 Vs- DC 3V  
V_V7         N0012 Vs- DC 0V
I_I5         Vs+ Vs- DC 10.8mA  
Q_Q1         N0007 In+ N0026 NPN8 1
I_I2         Vs+ In+ DC 9.2uA  
I_I3         Vs+ In- DC 9uA  
L_L4         N0008 Vs+  {Lp}  
L_L3         N0006 Vs+  {Lp}  
V_V11         Vs+ N0023 DC 0.25  
R_RV11        N0023 Vmid 1e6
I_I4         CM Vs- DC 0.6uA  
X_S2    Vs+ Vs- N0027 Vs- THS4520_Model_S2
R_R19         N0027 N0026  1m  

.MODEL NPN8 NPN
+ IS = 7.604E-18 BF = 1.570E+02 NF = 1.000E+00 VAF= 7.871E+01
+ IKF= 3.975E-02 ISE= 3.219E-14 NE = 2.000E+00 BR = 7.614E-01
+ NR = 1.000E+00 VAR= 1.452E+00 IKR= 8.172E-02 ISC= 7.618E-21
+ NC = 1.847E+00 RB = 1.060E+02 IRB= 0.000E+00 RBM= 2.400E+00
+ RE = 2.520E+00 RC = 1.270E+02 CJE= 1.120E-13 VJE= 7.591E-01
+ MJE= 5.406E-01 TF = 1.213E-11 XTF= 2.049E+00 VTF= 1.813E+00
+ ITF= 4.293E-02 PTF= 0.000E+00 CJC= 8.208E-14 VJC= 6.666E-01
+ MJC= 4.509E-01 XCJC=8.450E-02 TR = 4.000E-11 CJS= 1.160E-13
+ VJS= 5.286E-01 MJS= 4.389E-01 XTB= 1.022E+00 EG = 1.120E+00
+ XTI= 1.780E+00 KF = 3.500E-16 AF = 1.000E+00 FC = 8.273E-01


.ENDS    THS4520_Model
*$

.subckt THS4520_Model_S2 1 2 3 4  
S_S2         3 4 1 2 _S2
RS_S2         1 2 1G
.MODEL         _S2 VSWITCH Roff=0.166748625431493 Ron=932.790061092598
+  Voff=-8.102659644524 Von=6.08261917857915
.ends THS4520_Model_S2
*$