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* OPA820 Unit Gain Low Noise Wide Bandwidth Voltage Feedback Amp
* REV. A - Created 8/31/04 Rea.Schmid@ti.com
* REV. B - Created 6/23/06 X-ramus2@ti.com - Diode DX model missing from Netlist
*
*
* 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: distortion
* (harmonic, intermod, diff. gain & phase, ...),
* temperature effects, board parasitics, differences
* between package styles, and process changes
* 3- This is duplicated for duals. There is no amplifier crosstalk
* included in this simulation package.
*
*
*
* |-------------------------------------------------------------|
* | 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:
* Non-Inverting Input
* | Inverting Input
* | | Out
* | | | Positive Supply
* | | | | Negative Supply
* | | | | |
* | | | | |
* | | | | |
* | | | | |
.SUBCKT OPA820 + - Out V+ V-
V_V12 17 V- DC 1.10
I_I24 25 24 DC 100uA
L_L51 0 52 41.5U
C_C50 50 52 0.0415F
D_D25 0 25 DN3 .25
D_D24 24 0 DN3 .25
C_C52 0 51 0.0415F
L_L50 50 51 41.5U
R_R53 52 51 1MEG
E_E71 73 74 POLY(2) 51 52 V+ V- -785M 1 0.5
E_E70 70 71 POLY(2) 52 51 V+ V- -785m 1 0.5
D_D12 17 16 Da 1
D_D70 71 Out DX 1
D_D73 Out 73 DX 1
I_I12 16 V- DC 1.575mA
C_C6 0 3 .9p
C_C7 0 - .9p
D_D42 42 40 DX 1
D_D41 40 41 DX 1
E_E41 41 0 POLY(1) V+ V- -1.7 0.5 0
E_E42 42 0 POLY(1) V- V+ 1.7 0.5 0
V_V1 V+ 10 DC 1.4
R_R70 70 V+ 28
R_R71 V- 74 28
Q_Q1 11 3 16 QN 1.0
G_G50 0 50 POLY(1) 40 0 0 1.0u 0 0
C_C5 0 40 25f
R_R10 11 10 400
R_R11 12 10 400
R_R1 30 0 160K
R_R40 40 0 1K
G_G40 0 40 POLY(1) 30 0 0 1E-03 0 0
G_G30 0 30 POLY(1) 12 11 1m 4.814m 0 0
C_C2 30 0 20.0p
Q_Q2 12 - 16 QN 2
G_G11 - 0 POLY(2) 24 0 25 0 0 .2M .2M
D_D20 20 0 DN1 .5
D_D21 0 21 DN1 .5
I_I20 21 20 DC 10.5uA
E_E11 + 3 POLY(2) 20 0 21 0 .2M .3 .3
C_C8 11 12 40f
*
.MODEL Da D IS=1.0000E-15
.MODEL DN1 D(IS=2F AF=1 KF=10.5E-17)
.MODEL DN3 D( IS=.1F AF=1.0 KF=39.0E-17)
*
.MODEL QN NPN IS=7.6E-18 VAF=78.71 VAR=1.452 BF=157
+RB=1.02E02 CJE=0.720E-15 CJC=3.208E-16 KF=9.5e-15 AF=1
*
.MODEL DX D
+IS=1.0000E-15
.ENDS OPA820
$
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