.SUBCKT LT1797MD 1 2 3 4 5
*
* input range / phase reversal protection
RIP1 1 111 100
RIP2 2 112 100
DIP1 114 111 DX
DIP2 114 112 DX
VCM 114 4 DC 0.4525
*
* bias current for Vin > Vdd -1.5V (NPN stage active)
GNPN1 3 500 POLY(2) 111 3 112 3 0.0013 5.0e-4 5.0e-4
RNPN1 500 3 100000
DNPN1 3 500 DX
DNPN2 500 501 DX
DNPN3 501 502 DX
VNPN2 502 3 DC 0.27
RNPN2 501 3 1.0E6
GNPN2 3 1 501 3 -2.05E-7
GNPN3 3 2 501 3 -2.03E-7
*
* input stage
CIN 111 112 4e-13
CIC1 111 99 3.6e-12
CIC2 112 99 3.6e-12
GRIN 111 112 111 112 7.5758e-7
VCMEP 303 3 DC 0.8
VCMEN 4 304 DC 1.6
Q1 11 112 13 Q1
Q2 12 113 14 Q2
RC1 304 11 3596.6
RC2 304 12 3596.6
RE1 10 13 0.1
RE2 10 14 0.1
C1 11 12 9.6198e-13
IEE 303 10 DC 0.00055638
D1 10 303 DX
GA 60 99 11 12 0.00027804
*
* noise sources
FRI1 99 1 VRI1 1
VRI1 101 0 DC 0
RRI1 101 0 3421500
FRI2 99 2 VRI2 1
VRI2 201 0 DC 0
RRI2 201 0 3421500
GR 99 60 605 606 10.383
IR1 0 605 DC 1
IR2 0 606 DC 1
DR1 605 0 DR
DR2 606 0 DR
*
* common mode rejection
GCM1 99 20 POLY(2) 111 99 112 99 0 0.0005 0.0005
RCM1 21 99 1000
RCM2 20 99 1000000
LCM 20 21 0.031831
ECM 113 111 20 99 5.6234e-6
*
* frequency shaper
RP1 601 99 35000
LP1 60 601 0.0011141
RP11 60 99 14000
GP1 99 61 60 99 0.0001
RP2 61 99 10000
CP2 61 99 2.2736e-12
GP2 99 6 61 99 0.0001
*
* output stage
R2 6 99 1000
C2 6 7 2.4444e-10
GB 7 99 6 99 13288
R01 7 99 4.9
R02 7 50 0.1
R03 50 5 15
R04 5 99 5937900000
VC 53 50 DC 0.14955
VE 54 50 DC -0.10955
DC1 53 55 DVC
DC2 55 56 DVC
DE1 57 54 DVC
DE2 58 57 DVC
GVC1 3 56 3 56 1.0E-4
GVE1 4 58 4 58 1.0E-4
GVC2 3 55 3 55 1.0E-5
GVE2 4 57 4 57 1.0E-5
GVLP 99 6 56 3 1
GVLN 99 6 58 4 1
ECLP 91 0 7 50 222.22
ECLN 92 0 7 50 256.41
DCLP 91 90 DX
DCLN 90 92 DX
VLIM 90 0 DC 0
FB 7 99 VLIM 141.6
*
* output protection diodes
DOPP 5 3 DX
DOPN 4 5 DX
*
* supply characteristic
EGND 99 0 POLY(2) 3 0 4 0 0 0.5 0.5
DSUB 4 3 DX
IP 3 4 DC 0.00054362
*
GPC 31 0 7 50 10
DPC1 3 31 DVC
DPC2 32 4 DVC
RPC1 31 32 1.0E6
RPC2 31 33 9.7531
EPC 33 32 3 4 1.0
*
.MODEL DX D(IS=8.2592e-16 RS=0 XTI=1 CJO=0 IBV=1e-10 TT=0)
.MODEL DVC D(IS=8.2592e-16 RS=0 XTI=-2.1 N=0.1 EG=0.1 CJO=0 IBV=1e-10 TT=0)
.MODEL Q1 PNP(IS=1.0196e-15 BF=1791.7 XTB=-3.1272
+ XTI=3.00961 KF=1.4107e-16)
.MODEL Q2 PNP(IS=9.8079e-16 BF=1850.4 XTB=-3.0746
+ XTI=2.99039 KF=1.4107e-16)
.MODEL DR D(IS=8.2592e-16 KF=3.2074e-17 RS=0 XTI=1 CJO=0 IBV=1e-10 TT=0)
.ENDS LT1797MD
*