**.subckt bandgap_opamp_test_op
Vdd net1 GND {vdd} 
xptatop net1 ptat_int q8 q1 net9 GND bandgap_opamp_twostage
.save v( q8 )
.save v( q1 )
v2 net3 net9 0
x5 net1 ptat_int cas q8 bandgap_cascurr_cell m=8
x6 net1 ptat_int cas q1 bandgap_cascurr_cell m=8
XQ1 GND GND net2 GND sky130_fd_pr__pnp_05v5_W3p40L3p40
XQ2 GND GND q1 GND sky130_fd_pr__pnp_05v5_W3p40L3p40
.save v( net3 )
xbmr net1 net1 bmr_biasv GND bandgap_bmr
XMcurr_ptat net3 bmr_biasv net1 net1 sky130_fd_pr__pfet_01v8_lvt W=5 L=8 ad='W * 0.29' pd='2 * (W + 0.29)'
+ as='W * 0.29' ps='2 * (W + 0.29)' nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 nf=1 mult=1 m=1 
XMdecap_ptat net1 ptat_int net1 net1 sky130_fd_pr__pfet_01v8_lvt W=7 L=8 ad='W * 0.29' pd='2 * (W + 0.29)'
+ as='W * 0.29' ps='2 * (W + 0.29)' nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 nf=1 mult=16 m=16 
.save v( ptat_int )
xctatop net1 ctat_int net5 q1 net7 GND bandgap_opamp_twostage
XM8 net4 cas net1 net1 sky130_fd_pr__pfet_01v8 W=5 L=8 ad='W * 0.29' pd='2 * (W + 0.29)' as='W * 0.29'
+ ps='2 * (W + 0.29)' nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 nf=1 mult=10 m=10 
XM3 net6 net6 GND GND sky130_fd_pr__nfet_01v8_lvt W=7 L=8 ad='W * 0.29' pd='2 * (W + 0.29)' as='W * 0.29'
+ ps='2 * (W + 0.29)' nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 nf=1 mult=4 m=4 
XM1 cas net6 GND GND sky130_fd_pr__nfet_01v8_lvt W=7 L=8 ad='W * 0.29' pd='2 * (W + 0.29)' as='W * 0.29'
+ ps='2 * (W + 0.29)' nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 nf=1 mult=4 m=4 
.save v( net5 )
.save v( cas )
x7 net1 ctat_int cas net8 bandgap_cascurr_cell m=8
x10 net1 ptat_int cas net6 bandgap_cascurr_cell m=2
x11 net1 ctat_int cas net6 bandgap_cascurr_cell m=2
.save v( ctat_int )
XMcurr_ctat net7 bmr_biasv net1 net1 sky130_fd_pr__pfet_01v8_lvt W=5 L=8 ad='W * 0.29' pd='2 * (W + 0.29)'
+ as='W * 0.29' ps='2 * (W + 0.29)' nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 nf=1 mult=1 m=1 
XMdecap_ctat net1 ctat_int net1 net1 sky130_fd_pr__pfet_01v8_lvt W=7 L=8 ad='W * 0.29' pd='2 * (W + 0.29)'
+ as='W * 0.29' ps='2 * (W + 0.29)' nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 nf=1 mult=48 m=48 
Vmeasc net8 net5 0
R2 net5 GND 51.16k m=1
R1 q8 net2 6.624k m=1
XMcpdiff1 cas cas net4 net1 sky130_fd_pr__pfet_01v8_lvt W=5 L=0.5 ad='W * 0.29' pd='2 * (W + 0.29)' as='W * 0.29'
+ ps='2 * (W + 0.29)' nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 nf=1 mult=4 m=4 
**** begin user architecture code


.temp 125

.lib sky130_fd_pr/models/sky130.lib.spice sf
.include sky130_fd_pr/models/sky130_fd_pr__model__pnp.model.spice

.param vdd=1.98
.param vcas=0.62

.save all
*.options savecurrents


.dc temp -40 125 1.65
*.op

.nodeset v(q1)=1 v(q8)=1

Bconverge1 q1 0 I='v(q1) < 0 ? 1000.0 : 0.0'
Bconverge8 q8 0 I='v(q8) < 0 ? 1000.0 : 0.0'


**** end user architecture code
**.ends

* expanding   symbol:  bandgap_opamp_twostage/bandgap_opamp_twostage.sym # of pins=6

.subckt bandgap_opamp_twostage  vdd out inp inn bias gnd
*.ipin inp
*.ipin inn
*.ipin bias
*.opin out
*.iopin vdd
*.iopin gnd
XMmpdiff net8 net2 vdd vdd sky130_fd_pr__pfet_01v8_lvt W=5 L=8 ad='W * 0.29' pd='2 * (W + 0.29)' as='W * 0.29'
+ ps='2 * (W + 0.29)' nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 nf=1 mult=32 m=32 
XMmpr net2 net2 vdd vdd sky130_fd_pr__pfet_01v8_lvt W=5 L=8 ad='W * 0.29' pd='2 * (W + 0.29)' as='W * 0.29'
+ ps='2 * (W + 0.29)' nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 nf=1 mult=8 m=8 
XMmnr bias bias gnd gnd sky130_fd_pr__nfet_01v8_lvt W=2 L=4 ad='W * 0.29' pd='2 * (W + 0.29)' as='W * 0.29'
+ ps='2 * (W + 0.29)' nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 nf=1 mult=10 m=10 
XMmnb net2 bias gnd gnd sky130_fd_pr__nfet_01v8_lvt W=2 L=4 ad='W * 0.29' pd='2 * (W + 0.29)' as='W * 0.29'
+ ps='2 * (W + 0.29)' nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 nf=1 mult=5 m=5 
XMtrioden net11 net5 gnd gnd sky130_fd_pr__nfet_01v8_lvt W=2 L=4 ad='W * 0.29' pd='2 * (W + 0.29)' as='W * 0.29'
+ ps='2 * (W + 0.29)' nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 nf=1 mult=1 m=1 
XMmpa net10 net2 vdd vdd sky130_fd_pr__pfet_01v8_lvt W=5 L=8 ad='W * 0.29' pd='2 * (W + 0.29)' as='W * 0.29'
+ ps='2 * (W + 0.29)' nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 nf=1 mult=4 m=4 
XMcpdiff net1 net9 net8 vdd sky130_fd_pr__pfet_01v8_lvt W=5 L=0.5 ad='W * 0.29' pd='2 * (W + 0.29)' as='W * 0.29'
+ ps='2 * (W + 0.29)' nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 nf=1 mult=32 m=32 
XMmna net9 bias gnd gnd sky130_fd_pr__nfet_01v8_lvt W=2 L=4 ad='W * 0.29' pd='2 * (W + 0.29)' as='W * 0.29'
+ ps='2 * (W + 0.29)' nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 nf=1 mult=5 m=5 
XMtriodep net12 net9 vdd vdd sky130_fd_pr__pfet_01v8_lvt W=5 L=8 ad='W * 0.29' pd='2 * (W + 0.29)' as='W * 0.29'
+ ps='2 * (W + 0.29)' nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 nf=1 mult=8 m=8 
XMcpa net5 net9 net10 vdd sky130_fd_pr__pfet_01v8_lvt W=5 L=0.5 ad='W * 0.29' pd='2 * (W + 0.29)' as='W * 0.29'
+ ps='2 * (W + 0.29)' nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 nf=1 mult=4 m=4 
XMcasba net5 net5 net11 gnd sky130_fd_pr__nfet_01v8_lvt W=5 L=4 ad='W * 0.29' pd='2 * (W + 0.29)' as='W * 0.29'
+ ps='2 * (W + 0.29)' nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 nf=1 mult=8 m=8 
.save v( net3 )
XMcasn out net5 net4 gnd sky130_fd_pr__nfet_01v8_lvt W=5 L=4 ad='W * 0.29' pd='2 * (W + 0.29)' as='W * 0.29'
+ ps='2 * (W + 0.29)' nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 nf=1 mult=8 m=8 
XMcasp net6 net5 net3 gnd sky130_fd_pr__nfet_01v8_lvt W=5 L=4 ad='W * 0.29' pd='2 * (W + 0.29)' as='W * 0.29'
+ ps='2 * (W + 0.29)' nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 nf=1 mult=8 m=8 
XMload_mp net14 net6 vdd vdd sky130_fd_pr__pfet_01v8_lvt W=5 L=8 ad='W * 0.29' pd='2 * (W + 0.29)' as='W * 0.29'
+ ps='2 * (W + 0.29)' nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 nf=1 mult=32 m=32 
XMload_mn net15 net6 vdd vdd sky130_fd_pr__pfet_01v8_lvt W=5 L=8 ad='W * 0.29' pd='2 * (W + 0.29)' as='W * 0.29'
+ ps='2 * (W + 0.29)' nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 nf=1 mult=32 m=32 
XMloadcn out net7 net15 vdd sky130_fd_pr__pfet_01v8_lvt W=5 L=0.5 ad='W * 0.29' pd='2 * (W + 0.29)' as='W * 0.29'
+ ps='2 * (W + 0.29)' nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 nf=1 mult=32 m=32 
XMloadcp net6 net7 net14 vdd sky130_fd_pr__pfet_01v8_lvt W=5 L=0.5 ad='W * 0.29' pd='2 * (W + 0.29)'
+ as='W * 0.29' ps='2 * (W + 0.29)' nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 nf=1 mult=32 m=32 
XMmfn net4 bias gnd gnd sky130_fd_pr__nfet_01v8_lvt W=2 L=4 ad='W * 0.29' pd='2 * (W + 0.29)' as='W * 0.29'
+ ps='2 * (W + 0.29)' nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 nf=1 mult=20 m=20 
XMmfp net3 bias gnd gnd sky130_fd_pr__nfet_01v8_lvt W=2 L=4 ad='W * 0.29' pd='2 * (W + 0.29)' as='W * 0.29'
+ ps='2 * (W + 0.29)' nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 nf=1 mult=20 m=20 
XMdiffn net4 inn net1 net1 sky130_fd_pr__pfet_01v8_lvt W=7 L=1 ad='W * 0.29' pd='2 * (W + 0.29)' as='W * 0.29'
+ ps='2 * (W + 0.29)' nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 nf=1 mult=64 m=64 
XMdiffp net3 inp net1 net1 sky130_fd_pr__pfet_01v8_lvt W=7 L=1 ad='W * 0.29' pd='2 * (W + 0.29)' as='W * 0.29'
+ ps='2 * (W + 0.29)' nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 nf=1 mult=64 m=64 
.save v( net5 )
.save v( net1 )
.save v( net9 )
.save v( net2 )
.save v( net15 )
.save v( net6 )
XMcpdiff1 net9 net9 net12 vdd sky130_fd_pr__pfet_01v8_lvt W=5 L=0.5 ad='W * 0.29' pd='2 * (W + 0.29)'
+ as='W * 0.29' ps='2 * (W + 0.29)' nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 nf=1 mult=8 m=8 
.save v( net4 )
XMtriode_rload net13 net7 vdd vdd sky130_fd_pr__pfet_01v8_lvt W=5 L=8 ad='W * 0.29' pd='2 * (W + 0.29)'
+ as='W * 0.29' ps='2 * (W + 0.29)' nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 nf=1 mult=24 m=24 
XMcas_rload net7 net7 net13 vdd sky130_fd_pr__pfet_01v8_lvt W=5 L=0.5 ad='W * 0.29' pd='2 * (W + 0.29)'
+ as='W * 0.29' ps='2 * (W + 0.29)' nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 nf=1 mult=4 m=4 
XMmnc net7 bias gnd gnd sky130_fd_pr__nfet_01v8_lvt W=2 L=4 ad='W * 0.29' pd='2 * (W + 0.29)' as='W * 0.29'
+ ps='2 * (W + 0.29)' nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 nf=1 mult=2 m=2 
.ends


* expanding   symbol:  bandgap_cascurr_cell/bandgap_cascurr_cell.sym # of pins=4

.subckt bandgap_cascurr_cell  vdd curr cas out
*.iopin vdd
*.ipin curr
*.ipin cas
*.opin out
XMcurr net1 curr vdd vdd sky130_fd_pr__pfet_01v8 W=5 L=8 ad='W * 0.29' pd='2 * (W + 0.29)' as='W * 0.29'
+ ps='2 * (W + 0.29)' nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 nf=1 mult=1 m=1 
XMcas out cas net1 vdd sky130_fd_pr__pfet_01v8_lvt W=5 L=0.5 ad='W * 0.29' pd='2 * (W + 0.29)' as='W * 0.29'
+ ps='2 * (W + 0.29)' nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 nf=1 mult=1 m=1 
.ends


* expanding   symbol:  bandgap_bmr/bandgap_bmr.sym # of pins=4

.subckt bandgap_bmr  vdd en biasv vss
*.iopin vdd
*.iopin vss
*.opin biasv
*.ipin en
XMdiff_n2 biasv net1 net2 vss sky130_fd_pr__nfet_01v8 W=5 L=1 ad='W * 0.29' pd='2 * (W + 0.29)' as='W * 0.29'
+ ps='2 * (W + 0.29)' nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 nf=1 mult=16 m=16 
XRbias vss net2 vss sky130_fd_pr__res_xhigh_po W=1 L=4.82 mult=1 m=1
XMdiff_n1 net1 net1 vss vss sky130_fd_pr__nfet_01v8 W=5 L=1 ad='W * 0.29' pd='2 * (W + 0.29)' as='W * 0.29'
+ ps='2 * (W + 0.29)' nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 nf=1 mult=4 m=4 
XMcurr_p2 biasv biasv vdd vdd sky130_fd_pr__pfet_01v8_lvt W=5 L=8 ad='W * 0.29' pd='2 * (W + 0.29)' as='W * 0.29'
+ ps='2 * (W + 0.29)' nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 nf=1 mult=1 m=1 
XMcurr_p1 net1 biasv vdd vdd sky130_fd_pr__pfet_01v8_lvt W=5 L=8 ad='W * 0.29' pd='2 * (W + 0.29)' as='W * 0.29'
+ ps='2 * (W + 0.29)' nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 nf=1 mult=1 m=1 
XMsw_start biasv net3 net1 vss sky130_fd_pr__nfet_01v8 W=5 L=1 ad='W * 0.29' pd='2 * (W + 0.29)' as='W * 0.29'
+ ps='2 * (W + 0.29)' nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 nf=1 mult=1 m=1 
XMdiff_n3 net3 net1 vss vss sky130_fd_pr__nfet_01v8 W=5 L=1 ad='W * 0.29' pd='2 * (W + 0.29)' as='W * 0.29'
+ ps='2 * (W + 0.29)' nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 nf=1 mult=4 m=4 
XMcurr_bias net3 net3 vdd vdd sky130_fd_pr__pfet_01v8_lvt W=0.42 L=20 ad='W * 0.29' pd='2 * (W + 0.29)'
+ as='W * 0.29' ps='2 * (W + 0.29)' nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 nf=1 mult=1 m=1 
XMsw_en2 biasv en vdd vdd sky130_fd_pr__pfet_01v8_lvt W=0.42 L=0.35 ad='W * 0.29' pd='2 * (W + 0.29)'
+ as='W * 0.29' ps='2 * (W + 0.29)' nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 nf=1 mult=1 m=1 
XMsw_en1 net3 en vdd vdd sky130_fd_pr__pfet_01v8_lvt W=0.42 L=0.35 ad='W * 0.29' pd='2 * (W + 0.29)'
+ as='W * 0.29' ps='2 * (W + 0.29)' nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 nf=1 mult=1 m=1 
XCcomp biasv net1 sky130_fd_pr__cap_mim_m3_1 W=10 L=10 MF=1 m=1
XMdum2 vss net1 vss vss sky130_fd_pr__nfet_01v8 W=5 L=1 ad='W * 0.29' pd='2 * (W + 0.29)' as='W * 0.29'
+ ps='2 * (W + 0.29)' nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 nf=1 mult=4 m=4 
XCfilt biasv vdd sky130_fd_pr__cap_mim_m3_1 W=7.2 L=7.7 MF=1 m=1
XMdum1 vss net3 vss vss sky130_fd_pr__nfet_01v8 W=5 L=1 ad='W * 0.29' pd='2 * (W + 0.29)' as='W * 0.29'
+ ps='2 * (W + 0.29)' nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 nf=1 mult=1 m=1 
.ends

.GLOBAL GND
.end