*EL5144C spice model. 
*This spice model modes the single amplifier for EL5144/6C, EL5244/6C and EL5444C
*
* connections:        +input
*                       |  -input
*                       |    | +Vsupply
*                       |    |    | -Vsupply
*                       |    |    |    |  output
*                       |    |    |    |    |
.subckt EL5144C         3    2    8    4    1
*
*Input stage
m1 10 5 9 9 mod2 L=1e-6 W=48e-6
m2 11 2 9 9 mod2 L=1e-6 W=48e-6
r1 10 4 4k
r2 11 4 4k
ca 10 11 0.25p
is1 8 9 133uA
vos 5 6 4mV
*
*voltage noise
idn 0 25 3.121mA
cdn 25 26 1GF
vdn 26 0 0V
dn  25 0 den
h1 6 3 vdn 800
*
*G1 stage
g1 500 15 10 11 2.5e-4
rt 15 500 1.12e6
ct 15 1 0.5pF
d1 15 22 dx
d2 21 15 dx
*
*output stage
m5 1 17 8 8 mod2 L=1e-6 W=5000e-6
m6 1 18 4 4 mod1 L=1e-6 W=5000e-6
e1 19 17 500 15 1
e2 18 20 15 500 1
v1 8 19 0.9V
v2 20 4 0.9V
rco1 1 0 750
*
*Reference voltage
Eref 500 0 poly(2) (8,0) (4,0) 0 0.5 0.5
esp 22 500 poly(1) (8,4) 0 0.5
esn 21 500 poly(1) (4,8) 0 0.5
Iss 8 4 6.61mA
*
.model mod1 nmos (kp=10e-6,VTO=0.8V, lambda=0.01)
.model mod2 pmos (kp=10e-6,VTO=-0.8V, lambda=0.01)
.model dx d(Is=1e-18)
.model den d(kf=6.4e-15 af=1)
.ends EL5144C
*$