* MAX4482MACROMODEL
* ------------------------------
* Revision 0, 2/2004
* ------------------------------
* MAX4482 Family of low cost general purpose opamps offer Rail-to-Rail,draw 
* only 50uA of quiescent current and operate from a single +2.5V to +5.5V supply. 
* ------------------------------
* Connections
*      1  = OUT1
*      2  = IN1-
*      3  = IN1+
*      4  = V-
*      5  = IN2+
*      6  = IN2-
*      7  = OUT2
*      8  = VDD
************************************
.SUBCKT MAX4482 1 2 3 4 5 6 7 8 
 XAMP1 8 4 3 2 1 MAX4482_S
 XAMP2 8 4 5 6 7 MAX4482_S
.ENDS
************************************

************************************
.SUBCKT MAX4482_S 10 18 17 15 75  
* 10 = VDD
* 18 = VSS
* 17 = IN+ 
* 15 = IN- 
* 75 = OUT
*****************
*INPUT STAGE
VS1 10 11 0V
IBIAS 11 12 86.550U  
M1 13 16 12 11 MOSFET
M2 14 15 12 11 MOSFET
DBIAS 18 12 DA
*INPUT OFFSET VOLTAGE
VOS 19 16 1M          
ERDC 19 17 111 20 1
RD1 13 18 1K    
RD2 14 18 1K
C1 13 14 183P         
******
DIN1 16 11 DX          
DIN2 18 16 DX
DIN3 15 11 DX
DIN4 18 15 DX
RIN1 16 20 1G
RIN2 15 20 1G
RID1 15 16 1G
CIN1 16 20 2P
CIN2 15 20 2P
******
*****************
IBIAS1 12 16 0.1P
IBIAS2 12 15 -0.1P
*****************
FSUP 18 10 VS1 1       
*ECHK 199 20 13 14 1
*****************
*GAIN STAGE 
GA 21 20 14 13 31.623M
RO1 21 20 1K                     
GB 22 20 21 20 1 
RO2 22 20 10K
EF 23 20 22 20 1        
RLF 23 20 10MEG
*DOMINANT POLE AT 442.72mHz 
CC 21 23 34.21N            
EG1 20 18 10 18 0.5
*CMRR AND PSRR AC RESPONSE 
GCP 22 20 110 20 1     
**************************************************
*VOLTAGE LIMITING
DVL1 22 33 DA          
VMIN1 59 33 -0.57MV
DVL2 34 22 DA 
VMIN2 34 60 0.7MV 
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 167
HCOMP1 64 63 VIS3 15.0
****************
EOUT 65 20 22 20 1     
ROUT1 65 66 20      
VIS3 66 67 0V
RLOAD 67 20 10MEG
*****************
*CURRENT LIMIT
DSC1 67 68 DA
DSC2 69 67 DA
DSC3 69 70 DA
DSC4 70 68 DA
ISC1 68 69 3MA         
GSC1 68 69 220 20 14M
RSC 67 70 10MEG
****
FSC1 220 20 VIS3 1 
DSC5 220 221 DA
CSC1 220 20 0.1P
DSC6 20 220 DA
VSC1 221 20 1V
*****************
VIS5 70 75 0V          
*****************
*SUPPLY CURRENT
*BIAS CURRENT 
DSUP 18 10 DB
ISUP 10 18 50U
*LOAD CURRENT
FSUP1 20 77 VIS5 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
CPA 79 115 10P
RPA 115 20 26.52K
GPSRR1 110 20 115 20 1    
GPSRR2 111 20 79 20 25.11U   
RRDC 111 20 1
RRAC 110 20 1
*****************
*CMRR DC 
ECM1 81 20 12 20 1
GCM2 20 111 81 20 50.11U     
*****************
*MAX COMMON MODE INPUT AT VDD-1.3V
DIL 12 83 DA
RIL 83 84 50
VIL 85 84 1V
EIL 85 18 10 18 1
**************************************************
.MODEL MOSFET PMOS(VTO=-0.2 KP=115.54E-4) 
.MODEL DA D(N=0.1M)
.MODEL DX D(IS=100E-14 RS=0.5k)
.MODEL DB D(IS=100E-14)
**************************************************
.ENDS