Version 4
SHEET 1 1524 680
WIRE 528 -592 224 -592
WIRE 848 -592 528 -592
WIRE 1088 -592 848 -592
WIRE 1120 -592 1088 -592
WIRE 16 -560 -128 -560
WIRE 160 -560 16 -560
WIRE 464 -560 160 -560
WIRE 912 -560 464 -560
WIRE 1104 -560 912 -560
WIRE 1120 -560 1104 -560
WIRE 16 -544 16 -560
WIRE 160 -464 160 -560
WIRE 464 -464 464 -560
WIRE 912 -464 912 -560
WIRE 16 -448 16 -464
WIRE 112 -448 16 -448
WIRE 416 -448 352 -448
WIRE 1024 -448 960 -448
WIRE 224 -416 224 -592
WIRE 224 -416 160 -416
WIRE 528 -416 528 -592
WIRE 528 -416 464 -416
WIRE 848 -416 848 -592
WIRE 912 -416 848 -416
WIRE 160 -352 160 -368
WIRE 464 -352 464 -368
WIRE 672 -352 464 -352
WIRE 912 -352 912 -368
WIRE 912 -352 672 -352
WIRE 160 -336 160 -352
WIRE 112 -320 80 -320
WIRE 464 -320 464 -352
WIRE 912 -320 912 -352
WIRE 416 -304 384 -304
WIRE 992 -304 960 -304
WIRE 224 -288 224 -416
WIRE 224 -288 160 -288
WIRE -128 -272 -128 -560
WIRE 528 -272 528 -416
WIRE 528 -272 464 -272
WIRE 848 -272 848 -416
WIRE 912 -272 848 -272
WIRE 80 -208 80 -320
WIRE 160 -208 160 -240
WIRE 160 -208 80 -208
WIRE 384 -208 384 -304
WIRE 384 -208 160 -208
WIRE 672 -208 384 -208
WIRE 992 -208 992 -304
WIRE 992 -208 672 -208
WIRE 288 -160 256 -160
WIRE 352 -160 352 -448
WIRE 352 -160 288 -160
WIRE 464 -160 464 -224
WIRE 464 -160 352 -160
WIRE 912 -160 912 -224
WIRE 1024 -160 1024 -448
WIRE 1024 -160 912 -160
WIRE 1088 -160 1024 -160
WIRE 1120 -160 1088 -160
WIRE -128 -112 -128 -192
WIRE 16 -112 16 -448
WIRE 160 -112 160 -208
WIRE 464 -112 464 -160
WIRE 912 -112 912 -160
WIRE 224 -64 160 -64
WIRE 528 -64 464 -64
WIRE 912 -64 848 -64
WIRE 16 -32 16 -112
WIRE 112 -32 16 -32
WIRE 272 -32 256 -32
WIRE 416 -32 272 -32
WIRE 1104 -32 960 -32
WIRE 1120 -32 1104 -32
WIRE 464 0 464 -16
WIRE 912 0 912 -16
WIRE 912 0 464 0
WIRE 464 32 464 0
WIRE 912 32 912 0
WIRE 160 96 160 -16
WIRE -128 128 -128 -112
WIRE -32 128 -128 128
WIRE 384 128 -32 128
WIRE 992 128 384 128
WIRE -128 144 -128 128
WIRE 160 144 160 96
WIRE 464 144 464 32
WIRE 912 144 912 32
WIRE -128 192 -192 192
WIRE 224 192 224 -64
WIRE 224 192 160 192
WIRE 528 192 528 -64
WIRE 528 192 464 192
WIRE 848 192 848 -64
WIRE 912 192 848 192
WIRE -32 224 -32 128
WIRE -32 224 -80 224
WIRE 112 224 -32 224
WIRE 384 224 384 128
WIRE 416 224 384 224
WIRE 992 224 992 128
WIRE 992 224 960 224
WIRE -128 272 -128 240
WIRE 160 272 160 240
WIRE 464 272 464 240
WIRE 672 272 464 272
WIRE 912 272 912 240
WIRE 912 272 672 272
WIRE -128 288 -128 272
WIRE 160 288 160 272
WIRE 464 288 464 272
WIRE 912 288 912 272
WIRE -192 336 -192 192
WIRE -128 336 -192 336
WIRE 224 336 224 192
WIRE 224 336 160 336
WIRE 528 336 528 192
WIRE 528 336 464 336
WIRE 848 336 848 192
WIRE 912 336 848 336
WIRE 16 368 16 -32
WIRE 16 368 -80 368
WIRE 112 368 16 368
WIRE 352 368 352 -160
WIRE 416 368 352 368
WIRE 1024 368 1024 -160
WIRE 1024 368 960 368
WIRE 16 384 16 368
WIRE -128 480 -128 384
WIRE 16 480 16 464
WIRE 16 480 -128 480
WIRE 160 480 160 384
WIRE 160 480 16 480
WIRE 464 480 464 384
WIRE 464 480 160 480
WIRE 912 480 912 384
WIRE 912 480 464 480
WIRE 1088 480 912 480
WIRE 1120 480 1088 480
WIRE -192 512 -192 336
WIRE 224 512 224 336
WIRE 224 512 -192 512
WIRE 528 512 528 336
WIRE 528 512 224 512
WIRE 848 512 848 336
WIRE 848 512 528 512
WIRE 1088 512 848 512
WIRE 1120 512 1088 512
FLAG 1088 -592 NWELL
FLAG 1104 -560 VD
FLAG 1088 -160 OUTA
FLAG 1104 -32 INB
FLAG 272 -32 INA
FLAG 288 -160 OUTB
FLAG 672 -352 N5
FLAG 672 -208 N4
FLAG 672 272 N0
FLAG -128 272 N8
FLAG 160 272 N9
FLAG 160 96 N7
FLAG 16 -112 VREF
FLAG -128 -112 IBIAS
FLAG 160 -352 N6
FLAG 464 32 N1
FLAG 912 32 N3
FLAG 1088 512 PSUB
FLAG 1088 480 GND
IOPIN 1088 480 BiDir
SYMBOL nmos4 112 288 R0
WINDOW 3 56 72 Invisible 0
SYMATTR Value CMOSN
SYMATTR InstName M14
SYMATTR Value2 l=0.9u w=9u
SYMBOL nmos4 -80 288 M0
WINDOW 3 56 72 Invisible 0
SYMATTR Value CMOSN
SYMATTR InstName M13
SYMATTR Value2 l=0.9u w=9u
SYMBOL nmos4 112 144 R0
WINDOW 3 56 72 Invisible 0
SYMATTR Value CMOSN
SYMATTR InstName M12
SYMATTR Value2 l=0.9u w=18u
SYMBOL nmos4 -80 144 M0
WINDOW 3 56 72 Invisible 0
SYMATTR Value CMOSN
SYMATTR InstName M11
SYMATTR Value2 l=0.9u w=18u
SYMBOL pmos4 112 -368 M180
WINDOW 3 56 72 Invisible 0
SYMATTR Value CMOSP
SYMATTR InstName M17
SYMATTR Value2 l=0.9u w=36u
SYMBOL res 0 368 R0
SYMATTR InstName Ra
SYMATTR Value 26.4k
SYMBOL nmos4 112 -112 R0
WINDOW 3 56 72 Invisible 0
SYMATTR Value CMOSN
SYMATTR InstName M15
SYMATTR Value2 l=0.6u w=9u
SYMBOL res -144 -288 R0
SYMATTR InstName Rbias
SYMATTR Value 37.5k
SYMBOL res 0 -560 R0
SYMATTR InstName Rb
SYMATTR Value 26.4k
SYMBOL pmos4 112 -240 M180
WINDOW 3 56 72 Invisible 0
SYMATTR Value CMOSP
SYMATTR InstName M16
SYMATTR Value2 l=0.9u w=36u
SYMBOL nmos4 416 288 R0
WINDOW 3 56 72 Invisible 0
SYMATTR Value CMOSN
SYMATTR InstName M9
SYMATTR Value2 l=0.9u w=36u
SYMBOL nmos4 960 288 M0
WINDOW 3 56 72 Invisible 0
SYMATTR Value CMOSN
SYMATTR InstName M10
SYMATTR Value2 l=0.9u w=36u
SYMBOL nmos4 416 144 R0
WINDOW 3 56 72 Invisible 0
SYMATTR Value CMOSN
SYMATTR InstName M1
SYMATTR Value2 l=0.9u w=72u
SYMBOL nmos4 960 144 M0
WINDOW 3 56 72 Invisible 0
SYMATTR Value CMOSN
SYMATTR InstName M2
SYMATTR Value2 l=0.9u w=72u
SYMBOL nmos4 416 -112 R0
WINDOW 3 56 72 Invisible 0
SYMATTR Value CMOSN
SYMATTR InstName M3
SYMATTR Value2 l=0.6u w=36u
SYMBOL nmos4 960 -112 M0
WINDOW 3 56 72 Invisible 0
SYMATTR Value CMOSN
SYMATTR InstName M4
SYMATTR Value2 l=0.6u w=36u
SYMBOL pmos4 416 -224 M180
WINDOW 3 56 72 Invisible 0
SYMATTR Value CMOSP
SYMATTR InstName M5
SYMATTR Value2 l=0.9u w=144u
SYMBOL pmos4 416 -368 M180
WINDOW 3 56 72 Invisible 0
SYMATTR Value CMOSP
SYMATTR InstName M7
SYMATTR Value2 l=0.9u w=144u
SYMBOL pmos4 960 -368 R180
WINDOW 3 56 72 Invisible 0
SYMATTR Value CMOSP
SYMATTR InstName M8
SYMATTR Value2 l=0.9u w=144u
SYMBOL pmos4 960 -224 R180
WINDOW 3 56 72 Invisible 0
SYMATTR Value CMOSP
SYMATTR InstName M6
SYMATTR Value2 l=0.9u w=144u
TEXT -72 -592 Center 0 ;DA100