* Z:\home\khalils\Downloads\files\data\raw_asc\27bb6bad2be6_HVOpAmp.asc
* Generated by LTspice 26.0.1 for Windows.
*//////////////////////////////////////////////////////////////////////
* (C) National Semiconductor, Inc.
* Models developed and under copyright by:
* National Semiconductor, Inc.
*/////////////////////////////////////////////////////////////////////
* Legal Notice: This material is intended for free software support.
* The file may be copied, and distributed; however, reselling the
* material is illegal
*////////////////////////////////////////////////////////////////////
* For ordering or technical information on these models, contact:
* National Semiconductor's Customer Response Center
* 7:00 A.M.--7:00 P.M. U.S. Central Time
* (800) 272-9959
* For Applications support, contact the Internet address:
* amps-apps@galaxy.nsc.com
* ///////////////////////////////////////////////////////////////////
* User Notes:
*
* 1. Input resistance (Rin) for these JFET op amps is 1TOhm. Rin is
* modeled by assuming the option GMIN=1TOhm. If a different (non-
* default) GMIN value is needed, users may recalculate as follows:
* Rin=(R1||GMIN+R2||GMIN), where R1=R2,
* to maintain a consistent Rin model.
* ///////////////////////////////////////////////////////////////////
*//////////////////////////////////////////////////////////
*LF411 LOW OFFSET, LOW DRIFT JFET INPUT OP-AMP MACRO-MODEL
*//////////////////////////////////////////////////////////
*
* connections: non-inverting input
* | inverting input
* | | positive power supply
* | | | negative power supply
* | | | | output
* | | | | |
* | | | | |
*
*Features:
*Fast settling time (.01%) = 2uS
*High bandwidth = 3MHz
*High slew rate = 10V/uS
*Low offset voltage = .5mV
*Low supply current = 1.8mA
*
****************INPUT STAGE**************
*
*^Input offset current
*Fp2=28 MHZ
*
***********COMMON MODE EFFECT***********
*
*^Quiescent supply current
*Input offset voltage.^
*
*********OUTPUT VOLTAGE LIMITING********
*
**************SECOND STAGE**************
*
*Fp1=18 HZ
*
***************POLE STAGE***************
*
*Fp=30 MHz
*
*********COMMON-MODE ZERO STAGE*********
*
*
**************OUTPUT STAGE**************
*
*
***************MODELS USED**************
*
*
*$
EH 99 98 99 49 1
V5 28 25 0.646V
R9 49 50 80K
Q5 N016 N005 N012 0 MJE350
G3 98 15 9 49 1E-6
XU1 0 N008 N010 N015 N009 LF411 LF411 ;pnba In+)In-)V+)V-)OUT
Q2 N011 N014 N016 0 MJE340
R10 N007 OUT 1
R8 N001 N002 1
D4 25 15 DX
R4 N014 N013 10k
EOS 7 1 POLY(1) 16 49 .8E-3 1
R7 N004 N016 1Meg
D1 9 8 DX
D5 21 23 DX
V1 IN 0 PULSE(-2 2 0 1n 1n 5m 10m) Rser=0.01
D6 23 99 DX
VA8 26 27 0
Q1 N013 N009 0 0 MJE350
R4 6 50 650
R13 17 16 1K
R5 98 9 10MEG
Q6 N001 N005 N007 0 MJE340
V2 99 8 2.13
CI2 2 0 3P
V4 N010 0 12 Rser=0.01
C5 98 15 5.305E-15
R3 5 50 650
D3 15 24 DX
Q4 N006 N004 N003 0 MJE350
I2 99 50 800UA
R9 N001 N003 1
C4 5 6 4.372P
R1 N008 IN 1k
V5 0 N015 12 Rser=0.01
Q3 N004 N004 N002 0 MJE350
IOS 2 1 25.0P
V2 N001 0 125 Rser=0.01
R6 N006 N005 10k
G1 98 9 5 6 20E-3
R2 3 2 1E12
F5 99 23 VA8 1
R11 OUT N012 1
J2 6 7 4 JX
L2 98 17 144.7M
I1 99 4 1.0M
E1 99 26 99 15 1
R1 1 3 1E12
R12 98 15 1MEG
D2 N009 N008 1N4148
R3 N013 N016 39k
C3 98 11 857.516P
V3 10 50 2.13
R2 OUT N008 20k
C1 0 OUT 470n
R16 27 28 50
R5 N005 N011 10k
F6 99 50 VA7 1
V3 0 N016 125 Rser=0.01
J1 5 2 4 JX
V4 24 28 0.646V
VA7 99 21 0
G4 98 16 3 49 1E-8
R8 99 49 80K
D1 N008 N009 1N4148
CI1 1 0 3P
VA3 9 11 0
D2 10 9 DX
.model D D
.lib C:\users\khalils\AppData\Local\LTspice\lib\cmp\standard.dio
.model NPN NPN
.model PNP PNP
.lib C:\users\khalils\AppData\Local\LTspice\lib\cmp\standard.bjt
.tran 0 50m 0
.SUBCKT LF411 1 2 99 50 28
.MODEL DX D(IS=1E-15)
.MODEL JX PJF(BETA=1.183E-3 VTO=-.65 IS=50E-12)
.ENDS
.backanno
.end

* LTspice schematic (.asc):
Version 4
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WIRE 1200 32 1088 32
WIRE 1216 32 1200 32
WIRE 800 48 800 0
WIRE 992 48 992 -208
WIRE 992 48 800 48
WIRE 1344 48 1344 -176
WIRE 1440 48 1344 48
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WIRE 256 64 256 0
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WIRE 800 80 800 48
WIRE 1088 80 1088 32
WIRE 1440 80 1440 48
WIRE 144 112 -304 112
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WIRE -304 128 -304 112
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WIRE 144 144 144 112
WIRE -80 160 -80 80
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WIRE 288 176 256 176
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WIRE 1200 192 1200 32
WIRE 1248 192 1200 192
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WIRE 1344 192 1312 192
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IOPIN -80 80 Out
IOPIN 1216 32 Out
SYMBOL res 720 240 R90
WINDOW 0 0 56 VBottom 0
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SYMATTR InstName R4
SYMATTR Value 10k
SYMBOL npn 1024 -256 R0
SYMATTR InstName Q6
SYMATTR Value MJE340
SYMBOL Opamps\\opamp2 144 112 R0
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SYMATTR Value LF411
SYMATTR SpiceModel LF411
SYMBOL cap 1312 176 R90
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SYMATTR Value 470n
SYMBOL voltage -304 112 R0
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WINDOW 39 24 132 Left 0
SYMATTR SpiceLine Rser=0.01
SYMATTR InstName V4
SYMATTR Value 12
SYMBOL pnp 736 -160 M180
SYMATTR InstName Q4
SYMATTR Value MJE350
SYMBOL pnp 1024 304 M180
SYMATTR InstName Q5
SYMATTR Value MJE350
SYMBOL npn 736 208 R0
SYMATTR InstName Q2
SYMATTR Value MJE340
SYMBOL pnp 288 224 M180
SYMATTR InstName Q1
SYMATTR Value MJE350
SYMBOL diode 160 80 R270
WINDOW 0 32 32 VTop 0
WINDOW 3 0 32 VBottom 0
SYMATTR InstName D1
SYMATTR Value 1N4148
SYMBOL res 1072 -96 R0
SYMATTR InstName R10
SYMATTR Value 1
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SYMATTR InstName R11
SYMATTR Value 1
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SYMATTR SpiceLine Rser=0.01
SYMATTR InstName V1
SYMATTR Value PULSE(-2 2 0 1n 1n 5m 10m)
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SYMATTR SpiceLine Rser=0.01
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SYMATTR Value 125
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SYMATTR Value 1
SYMBOL res 32 144 R90
WINDOW 0 0 56 VBottom 0
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SYMATTR InstName R1
SYMATTR Value 1k
SYMBOL res 784 64 R0
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SYMATTR Value 10k
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SYMATTR Value 39k
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SYMATTR Value MJE350
FLAG -32 272 0
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FLAG 1216 32 OUT
TEXT -176 872 Left 0 !.tran 0 50m 0
TEXT 1568 -464 Left 0 !*//////////////////////////////////////////////////////////////////////\n* (C) National Semiconductor, Inc.\n* Models developed and under copyright by:\n* National Semiconductor, Inc.  \n \n*/////////////////////////////////////////////////////////////////////\n* Legal Notice: This material is intended for free software support.\n* The file may be copied, and distributed; however, reselling the \n*  material is illegal\n \n*////////////////////////////////////////////////////////////////////\n* For ordering or technical information on these models, contact:\n* National Semiconductor's Customer Response Center\n*                 7:00 A.M.--7:00 P.M.  U.S. Central Time\n*                                (800) 272-9959\n* For Applications support, contact the Internet address:\n*  amps-apps@galaxy.nsc.com\n \n* ///////////////////////////////////////////////////////////////////\n* User Notes:\n*\n* 1. Input resistance (Rin) for these JFET op amps is 1TOhm.  Rin is\n*    modeled by assuming the option GMIN=1TOhm.  If a different (non-\n*    default) GMIN value is needed, users may recalculate as follows:\n*    Rin=(R1||GMIN+R2||GMIN), where R1=R2,\n*    to maintain a consistent Rin model.\n \n* ///////////////////////////////////////////////////////////////////\n*//////////////////////////////////////////////////////////\n*LF411 LOW OFFSET, LOW DRIFT JFET INPUT OP-AMP MACRO-MODEL\n*//////////////////////////////////////////////////////////\n*\n* connections:    non-inverting input\n*                 |   inverting input\n*                 |   |   positive power supply\n*                 |   |   |   negative power supply\n*                 |   |   |   |   output\n*                 |   |   |   |   |\n*                 |   |   |   |   |\n.SUBCKT LF411  1   2  99  50  28\n*\n*Features:\n*Fast settling time (.01%) =           2uS\n*High bandwidth =                     3MHz\n*High slew rate =                   10V/uS\n*Low offset voltage =                 .5mV\n*Low supply current =                1.8mA\n*\n****************INPUT STAGE************** \n*\nIOS 2 1 25.0P\n*^Input offset current\nCI1 1 0 3P\nCI2 2 0 3P\nR1 1 3 1E12\nR2 3 2 1E12\nI1 99 4 1.0M\nJ1 5 2 4 JX\nJ2 6 7 4 JX\nR3 5 50 650\nR4 6 50 650\n*Fp2=28 MHZ\nC4 5 6 4.372P \n*\n***********COMMON MODE EFFECT***********\n*\nI2 99 50 800UA\n*^Quiescent supply current\nEOS 7 1 POLY(1) 16 49 .8E-3 1\n*Input offset voltage.^\nR8 99 49 80K\nR9 49 50 80K\n*\n*********OUTPUT VOLTAGE LIMITING********\nV2 99 8 2.13\nD1 9 8 DX\nD2 10 9 DX\nV3 10 50 2.13\n*\n**************SECOND STAGE**************\n*\nEH 99 98 99 49 1\nG1 98 9 5 6 20E-3\nR5 98 9 10MEG\nVA3 9 11 0\n*Fp1=18 HZ\nC3 98 11 857.516P\n*\n***************POLE STAGE***************\n*\n*Fp=30 MHz\nG3 98 15 9 49 1E-6\nR12 98 15 1MEG\nC5 98 15 5.305E-15\n*\n*********COMMON-MODE ZERO STAGE*********\n*\nG4 98 16 3 49 1E-8\nL2 98 17 144.7M\nR13 17 16 1K\n*\n**************OUTPUT STAGE**************\n*\nF6  99 50 VA7 1\nF5  99 23 VA8 1\nD5  21 23 DX\nVA7 99 21 0\nD6  23 99 DX\nE1  99 26 99 15 1\nVA8 26 27 0\nR16 27 28 50\nV5  28 25 0.646V\nD4  25 15 DX\nV4  24 28 0.646V\nD3  15 24 DX\n*\n***************MODELS USED**************\n*\n.MODEL DX D(IS=1E-15)\n.MODEL JX PJF(BETA=1.183E-3 VTO=-.65 IS=50E-12)\n*\n.ENDS\n*$