happynewyue's picture
Duplicate from armanakbari4/CircuitSense
bf43145 verified
Design the sizing and biasing voltage of an Op-Amp in SKY130nm (VDD 1.8 V) as shown in the provided circuit image.
Here is the netlist of the circuit
.subckt OPAMP8_Pin_3 gnda vdda vinn vinp vout
xm8 vout ib1 vdda vdda sky130_fd_pr__pfet_01v8 l='P1_L' w='P1_W*1' m='P1_M'
xm7 net24 ib1 net29 vdda sky130_fd_pr__pfet_01v8 l='P2_L' w='P2_W*1' m='P2_M'
xm6 net19 ib1 net35 vdda sky130_fd_pr__pfet_01v8 l='P3_L' w='P3_W*1' m='P3_M'
xm5 net29 ib1 vdda vdda sky130_fd_pr__pfet_01v8 l='P4_L' w='P4_W*1' m='P4_M'
xm4 net35 ib1 vdda vdda sky130_fd_pr__pfet_01v8 l='P5_L' w='P5_W*1' m='P5_M'
xm3 net11 ib1 net39 vdda sky130_fd_pr__pfet_01v8 l='P6_L' w='P6_W*1' m='P6_M'
xm2 ib1 ib1 net40 vdda sky130_fd_pr__pfet_01v8 l='P7_L' w='P7_W*1' m='P7_M'
xm1 net39 ib1 vdda vdda sky130_fd_pr__pfet_01v8 l='P8_L' w='P8_W*1' m='P8_M'
xm0 net40 ib1 vdda vdda sky130_fd_pr__pfet_01v8 l='P9_L' w='P9_W*1' m='P9_M'
xm17 vout net24 gnda gnda sky130_fd_pr__nfet_01v8 l='N1_L' w='N1_W*1' m='N1_M'
xm16 net19 net19 gnda gnda sky130_fd_pr__nfet_01v8 l='N2_L' w='N2_W*1' m='N2_M'
xm15 net24 net19 gnda gnda sky130_fd_pr__nfet_01v8 l='N3_L' w='N3_W*1' m='N3_M'
xm14 net29 vinp net16 gnda sky130_fd_pr__nfet_01v8 l='N4_L' w='N4_W*1' m='N4_M'
xm13 ib1 vinn net16 gnda sky130_fd_pr__nfet_01v8 l='N5_L' w='N5_W*1' m='N5_M'
xm9 net37 net11 gnda gnda sky130_fd_pr__nfet_01v8 l='N6_L' w='N6_W*1' m='N6_M'
xm12 net11 net11 net38 gnda sky130_fd_pr__nfet_01v8 l='N7_L' w='N7_W*1' m='N7_M'
xm11 net16 net11 net37 gnda sky130_fd_pr__nfet_01v8 l='N8_L' w='N8_W*1' m='N8_M'
xm10 net38 net11 gnda gnda sky130_fd_pr__nfet_01v8 l='N9_L' w='N9_W*1' m='N9_M'
C0 vout net24 'CAPACITOR_0'
I0 ib1 gnda 'IB1'
.ends OPAMP8_Pin_3
Here are the design parameters and range.
parameter_bounds:
L_P1:
min: 0.13
max: 1.0
type: real
W_P1:
min: 0.2
max: 10.0
type: real
M_P1:
min: 1
max: 100
type: int
L_P2:
min: 0.13
max: 1.0
type: real
W_P2:
min: 0.2
max: 10.0
type: real
M_P2:
min: 1
max: 100
type: int
L_P3:
min: 0.13
max: 1.0
type: real
W_P3:
min: 0.2
max: 10.0
type: real
M_P3:
min: 1
max: 100
type: int
L_P4:
min: 0.13
max: 1.0
type: real
W_P4:
min: 0.2
max: 10.0
type: real
M_P4:
min: 1
max: 100
type: int
L_P5:
min: 0.13
max: 1.0
type: real
W_P5:
min: 0.2
max: 10.0
type: real
M_P5:
min: 1
max: 100
type: int
L_P6:
min: 0.13
max: 1.0
type: real
W_P6:
min: 0.2
max: 10.0
type: real
M_P6:
min: 1
max: 100
type: int
L_P7:
min: 0.13
max: 1.0
type: real
W_P7:
min: 0.2
max: 10.0
type: real
M_P7:
min: 1
max: 100
type: int
L_P8:
min: 0.13
max: 1.0
type: real
W_P8:
min: 0.2
max: 10.0
type: real
M_P8:
min: 1
max: 100
type: int
L_P9:
min: 0.13
max: 1.0
type: real
W_P9:
min: 0.2
max: 10.0
type: real
M_P9:
min: 1
max: 100
type: int
L_N1:
min: 0.13
max: 1.0
type: real
W_N1:
min: 0.2
max: 10.0
type: real
M_N1:
min: 1
max: 100
type: int
L_N2:
min: 0.13
max: 1.0
type: real
W_N2:
min: 0.2
max: 10.0
type: real
M_N2:
min: 1
max: 100
type: int
L_N3:
min: 0.13
max: 1.0
type: real
W_N3:
min: 0.2
max: 10.0
type: real
M_N3:
min: 1
max: 100
type: int
L_N4:
min: 0.13
max: 1.0
type: real
W_N4:
min: 0.2
max: 10.0
type: real
M_N4:
min: 1
max: 100
type: int
L_N5:
min: 0.13
max: 1.0
type: real
W_N5:
min: 0.2
max: 10.0
type: real
M_N5:
min: 1
max: 100
type: int
L_N6:
min: 0.13
max: 1.0
type: real
W_N6:
min: 0.2
max: 10.0
type: real
M_N6:
min: 1
max: 100
type: int
L_N7:
min: 0.13
max: 1.0
type: real
W_N7:
min: 0.2
max: 10.0
type: real
M_N7:
min: 1
max: 100
type: int
L_N8:
min: 0.13
max: 1.0
type: real
W_N8:
min: 0.2
max: 10.0
type: real
M_N8:
min: 1
max: 100
type: int
L_N9:
min: 0.13
max: 1.0
type: real
W_N9:
min: 0.2
max: 10.0
type: real
M_N9:
min: 1
max: 100
type: int
C0:
min: 1.0
max: 100.0
type: real
Ib1:
min: 1e-6
max: 4e-5
type: real
Here is the design target
PSRP_target = -78 # dB @1 kHz (from VDD)
PSRN_target = -95 # dB @1 kHz (from VSS)
TC_target = 2e-5 # 20 ppm/°C
Power_target = 3e-4 # W ≈0.30 mW
vos_target = 5e-4 # V ≈0.5 mV
cmrrdc_target = -88 # dB
dcgain_target = 102 # dB
GBW_target = 1.2e7 # Hz (~12 MHz with 10 pF)
phase_margin_target = 60 # deg
sr_target = 1.5e7 # V/s ≈15 V/µs
settlingTime_target = 6e-7 # s (~0.1–0.5% to 10 pF)
Provide your design parameter in this format
parameters:
L_P1:
W_P1:
M_P1:
L_P2:
W_P2:
M_P2:
L_P3:
W_P3:
M_P3:
L_P4:
W_P4:
M_P4:
L_P5:
W_P5:
M_P5:
L_P6:
W_P6:
M_P6:
L_P7:
W_P7:
M_P7:
L_P8:
W_P8:
M_P8:
L_P9:
W_P9:
M_P9:
L_N1:
W_N1:
M_N1:
L_N2:
W_N2:
M_N2:
L_N3:
W_N3:
M_N3:
L_N4:
W_N4:
M_N4:
L_N5:
W_N5:
M_N5:
L_N6:
W_N6:
M_N6:
L_N7:
W_N7:
M_N7:
L_N8:
W_N8:
M_N8:
L_N9:
W_N9:
M_N9:
C0:
Ib1: