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* OPA820 Unit Gain Low Noise Wide Bandwidth Voltage Feedback Amp
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* REV. A - Created 8/31/04 Rea.Schmid@ti.com
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* REV. B - Created 6/23/06 X-ramus2@ti.com - Diode DX model missing from Netlist
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*
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*
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* NOTES:
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* 1- This macromodel predicts well: DC, small-signal AC,
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* noise, and transient performance under a wide range
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* of conditions
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* 2- This macromodel does not predict: distortion
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* (harmonic, intermod, diff. gain & phase, ...),
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* temperature effects, board parasitics, differences
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* between package styles, and process changes
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* 3- This is duplicated for duals. There is no amplifier crosstalk
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* included in this simulation package.
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*
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*
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*
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* |-------------------------------------------------------------|
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* | This macro model is being supplied as an aid to |
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* | circuit designs. While it reflects reasonably close |
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* | similarity to the actual device in terms of performance, |
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* | it is not suggested as a replacement for breadboarding. |
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* | Simulation should be used as a forerunner or a supplement |
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* | to traditional lab testing. |
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* | |
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* | Neither this library nor any part may be copied without |
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* | the express written consent of Texas Instruments Corp. |
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* |-------------------------------------------------------------|
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*
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* CONNECTIONS:
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* Non-Inverting Input
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* | Inverting Input
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* | | Out
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* | | | Positive Supply
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* | | | | Negative Supply
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* | | | | |
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* | | | | |
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* | | | | |
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* | | | | |
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.SUBCKT OPA820 + - Out V+ V-
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V_V12 17 V- DC 1.10
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I_I24 25 24 DC 100uA
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L_L51 0 52 41.5U
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C_C50 50 52 0.0415F
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D_D25 0 25 DN3 .25
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D_D24 24 0 DN3 .25
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C_C52 0 51 0.0415F
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L_L50 50 51 41.5U
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R_R53 52 51 1MEG
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E_E71 73 74 POLY(2) 51 52 V+ V- -785M 1 0.5
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E_E70 70 71 POLY(2) 52 51 V+ V- -785m 1 0.5
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D_D12 17 16 Da 1
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D_D70 71 Out DX 1
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D_D73 Out 73 DX 1
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I_I12 16 V- DC 1.575mA
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C_C6 0 3 .9p
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C_C7 0 - .9p
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D_D42 42 40 DX 1
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D_D41 40 41 DX 1
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E_E41 41 0 POLY(1) V+ V- -1.7 0.5 0
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E_E42 42 0 POLY(1) V- V+ 1.7 0.5 0
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V_V1 V+ 10 DC 1.4
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R_R70 70 V+ 28
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R_R71 V- 74 28
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Q_Q1 11 3 16 QN 1.0
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G_G50 0 50 POLY(1) 40 0 0 1.0u 0 0
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C_C5 0 40 25f
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R_R10 11 10 400
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R_R11 12 10 400
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R_R1 30 0 160K
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R_R40 40 0 1K
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G_G40 0 40 POLY(1) 30 0 0 1E-03 0 0
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G_G30 0 30 POLY(1) 12 11 1m 4.814m 0 0
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C_C2 30 0 20.0p
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Q_Q2 12 - 16 QN 2
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G_G11 - 0 POLY(2) 24 0 25 0 0 .2M .2M
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D_D20 20 0 DN1 .5
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D_D21 0 21 DN1 .5
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I_I20 21 20 DC 10.5uA
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E_E11 + 3 POLY(2) 20 0 21 0 .2M .3 .3
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C_C8 11 12 40f
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*
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.MODEL Da D IS=1.0000E-15
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.MODEL DN1 D(IS=2F AF=1 KF=10.5E-17)
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.MODEL DN3 D( IS=.1F AF=1.0 KF=39.0E-17)
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*
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.MODEL QN NPN IS=7.6E-18 VAF=78.71 VAR=1.452 BF=157
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+RB=1.02E02 CJE=0.720E-15 CJC=3.208E-16 KF=9.5e-15 AF=1
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*
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.MODEL DX D
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+IS=1.0000E-15
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.ENDS OPA820
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$
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