Version 4
SHEET 1 880 1000
WIRE 128 -208 32 -208
WIRE 368 -208 208 -208
WIRE 32 -96 32 -208
WIRE 80 -96 32 -96
WIRE 192 -96 160 -96
WIRE 368 -64 368 -208
WIRE 448 -64 368 -64
WIRE 592 -64 528 -64
WIRE -144 64 -288 64
WIRE 32 64 32 -96
WIRE 32 64 -64 64
WIRE 96 64 32 64
WIRE 192 80 192 -96
WIRE 192 80 160 80
WIRE 240 80 192 80
WIRE 368 80 368 -64
WIRE 368 80 320 80
WIRE 400 80 368 80
WIRE 96 96 16 96
WIRE 592 96 592 -64
WIRE 592 96 464 96
WIRE 640 96 592 96
WIRE 400 112 368 112
WIRE -560 240 -560 160
WIRE -416 240 -416 160
WIRE -272 240 -272 160
WIRE -560 368 -560 320
WIRE -416 368 -416 320
WIRE -272 368 -272 320
WIRE 112 416 112 336
WIRE 112 416 -16 416
WIRE 240 416 112 416
WIRE -16 448 -16 416
WIRE 240 448 240 416
WIRE -16 608 -16 528
WIRE -16 608 -96 608
WIRE 240 608 240 528
WIRE 304 608 240 608
WIRE -16 688 -16 608
WIRE 240 688 240 608
WIRE -16 816 -16 768
WIRE 112 816 -16 816
WIRE 240 816 240 768
WIRE 240 816 112 816
WIRE 112 848 112 816
WIRE 112 960 112 928
FLAG -416 160 Vref
FLAG -272 160 V_CC
IOPIN -272 160 Out
FLAG -560 160 Vex
FLAG -560 368 0
FLAG -416 368 0
FLAG -272 368 0
FLAG -288 64 Vref
FLAG 128 48 V_CC
IOPIN 128 48 Out
FLAG 432 64 V_CC
IOPIN 432 64 Out
FLAG 128 112 0
FLAG 432 128 0
FLAG 16 96 V1
FLAG 368 112 V2
FLAG -96 608 V1
FLAG 304 608 V2
FLAG 112 960 0
FLAG 640 96 out
FLAG 112 336 Vex
SYMBOL ZZZ\\OpAmp\\TLV9001 128 80 R0
SYMATTR InstName U1
SYMBOL ZZZ\\OpAmp\\TLV9001 432 96 R0
SYMATTR InstName U2
SYMBOL res 336 64 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 5.1k
SYMBOL res 176 -112 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 5.1k
SYMBOL res -48 48 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 20k
SYMBOL res 544 -80 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 20k
SYMBOL res 0 544 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R6
SYMATTR Value 120
SYMBOL res 256 544 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R7
SYMATTR Value 120
SYMBOL res 0 784 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R8
SYMATTR Value 120
SYMBOL res 256 784 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R9
SYMATTR Value {X}
SYMBOL res 96 832 R0
SYMATTR InstName R10
SYMATTR Value 0
SYMBOL voltage -560 224 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 3.3
SYMBOL res 224 -224 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R11
SYMATTR Value 80
SYMBOL voltage -416 224 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value 1.5
SYMBOL voltage -272 224 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value 3.3
TEXT 384 328 Left 2 !.save V(out)\n.step param X 119 121 0.1\n.measure VoutAvg AVG V(out)\n.option plotwinsize=0 numdgt=15
TEXT 392 456 Left 2 !.tran 0 510m 500m
TEXT 448 688 Left 2 !*.step param X 110 130 1\n*.op