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GUI/SW2/SRC/lib/models/lmx358.mod 3.69 KB
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886c558b   Steve Greedy   SACAMOS Public Re... 
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.SUBCKT LMX358  7  6 10 18 75
*               |  |  |  |  |
*               |  |  |  |  '---- OUT
*               |  |  |  '------- GND
*               |  |  '---------- VCC
*               |  '------------- IN-
*               '---------------- IN+
* Use the gSchem symbol opamp-3.sym (provided in the lib/sym directory)
*******************************************************************************
* Maxim Semiconductors - Revision 0, 8/2003
*******************************************************************************
* The LMX358 family of opamps are low-cost, low-voltage, general purpose opamps.
* These devices offer rail to rail outputs and ground sensing inputs and
* operate from single +2.3V to +7V suppply.   
*******************************************************************************
VS1 10 11 0V
IBIAS 11 12 61.3U
DBIAS 18 12 DA
RE1 12 91 1.005K
RE2 12 92 1.005K
QI1 13 15 91 QP1         
*********************************
* INPUT BIAS CURRENT AND OFFSET    
QI2 14 16 92 QP2
RIN1 15 20 3MEG          
*********************************
* COMMON MODE INPUT RESISTANCE 
RIN2 16 20 3MEG          
DIN1 15 10 DB
DIN2 18 15 DB
DIN3 16 10 DB
DIN4 18 16 DB
ECR1 15 32 111 20 1      
*********************************
* DC PSRR AND CMRR 
VOS 17 32 1M             
*********************************
* INPUT OFFSET VOLTAGE
DP1 17 112 DB            
*********************************
* INPUT PROTECTION DIODES
DP2 112 113 DB
DP3 113 16 DB
DP4 16 114 DB
DP5 114 115 DB
DP6 115 17 DB
RP1 17 7 3.5K
RP2 16 6 3.5K
RC1 13 18 1.856K    
RC2 14 18 1.856K
C1 13 14 14.0P
FSUP 18 10 VS1 1
*********************************
* TO COMPENSATE SUPPLY CURRENT
* GAIN STAGE (106dB)    
GA 21 20 14 13 326.8U    
RO1 21 20 30606
GB 22 20 21 20 1
RO2 22 20 20K
EF 23 20 22 20 1
CC 23 21 36.8P           
*********************************
* DOMINANT POLE AT 6.5HZ
EG 20 18 10 18 0.5
GCP 22 20 110 20 10      
*********************************
* PSRR AC RESPONSE
DVL1 22 33 DA            
*********************************
* VOLTAGE LIMITING
VMIN1 59 33 6.85M
DVL2 34 22 DA 
VMIN2 34 60 4M 
ELIM2 59 61 10 18 0.5
ELIM1 63 60 10 18 0.5
ECOMP2 62 20 65 66 1
ECOMP1 64 20 65 66 1
HCOMP2 62 61 VIS3 53.4
HCOMP1 64 63 VIS3 32.52 
EOUT 65 20 22 20 1       
*********************************
* VOLTAGE FOLLOWER
ROUT1 65 66 150          
*********************************
* OPEN LOOP OUTPUT RESISTANCE
VIS3 66 67 0V
*****************
* CURRENT LIMIT
DSC1 67 68 DA
DSC2 69 67 DA
DSC3 69 70 DA
DSC4 70 68 DA
ISC1 68 69 25MA          
*********************************
* LIMITING CURRENT T0 25MA 
RSC 68 69 10MEG
ROUT2 70 75 0.1M     
RLOAD 75 20 10MEG
*********************************
* SUPPLY CURRENT
DSUP 18 10 DB
RSUP 10 18 200K
ISUP 10 18 95UA
*********************************
* BIAS CURRENT  
* LOAD CURRENT
FSUP1 20 77 VIS3 1
CSUP 77 20 1P
DSUP1 20 77 DB
DSUP2 77 78 DB
VIS4 78 20 0V
FSUP2 10 18 VIS4 1
*********************************
* PSRR DC AND AC 
ESUP1 79 20 10 18 1
CPSRR 79 80 7.5P
RPSRR 80 20 5K
GPSRR1 20 110 80 20 0.05   
*********************************
* AC
GPSRR2 20 111 79 20 10.5U  
*********************************
* DC -92dB
RRDC 111 20 1
RRR 110 20 1
*********************************
* CMRR DC AND AC
ECM1 81 20 12 18 1
GCM2 20 111 81 20 10U   
* DC -96dB
*********************************
* MAX COMMON MODE INPUT VCC-0.9V
DIL 12 83 DA
RIL 83 84 50
VIL 85 84 0.9V
EIL 85 18 10 18 1
*********************************
* MINIMUM SUPPLY VOLTAGE SET AT 2.3
DVL3 18 12 DA
DVL4 12 86 DA 
FVL 86 18 VIS5 1
VVL 87 18 2.3V
VIS5 87 88 0V
DVL5 88 89 DA
RVL 89 90 300
EVL1 90 18 10 18 1
*********************************
.MODEL QP1 PNP(IS=16E-15 BF=1700)
.MODEL QP2 PNP(IS=16E-15 BF=1610.5)
.MODEL DA D(N=0.1M) 
.MODEL DB D(IS=100E-14)
*********************************
.ENDS