Version 4
SHEET 1 956 680
WIRE 160 -32 -192 -32
WIRE 256 -32 160 -32
WIRE 288 -32 256 -32
WIRE 480 -32 288 -32
WIRE 512 -32 480 -32
WIRE 704 -32 512 -32
WIRE 736 -32 704 -32
WIRE 288 -16 288 -32
WIRE 512 -16 512 -32
WIRE 736 -16 736 -32
WIRE -192 96 -192 -32
WIRE 48 96 16 96
WIRE 96 96 48 96
WIRE 176 96 96 96
WIRE 400 96 176 96
WIRE 624 96 400 96
WIRE 256 112 256 -32
WIRE 480 112 480 -32
WIRE 704 112 704 -32
WIRE 288 128 288 64
WIRE 512 128 512 64
WIRE 736 128 736 64
WIRE 96 144 96 96
WIRE 176 144 176 96
WIRE 208 144 176 144
WIRE 400 144 400 96
WIRE 432 144 400 144
WIRE 624 144 624 96
WIRE 656 144 624 144
WIRE 352 176 336 176
WIRE 576 176 560 176
WIRE 800 176 784 176
WIRE -192 192 -192 176
WIRE -144 192 -192 192
WIRE -32 192 -64 192
WIRE 16 192 16 176
WIRE 16 192 -32 192
WIRE 16 208 16 192
WIRE 208 208 176 208
WIRE 432 208 400 208
WIRE 656 208 624 208
WIRE 48 288 16 288
WIRE 96 288 96 224
WIRE 96 288 48 288
WIRE 176 288 176 208
WIRE 176 288 96 288
WIRE 400 288 400 208
WIRE 400 288 176 288
WIRE 624 288 624 208
WIRE 624 288 400 288
WIRE -192 304 -192 192
FLAG 352 176 AUS1
IOPIN 352 176 Out
FLAG -192 304 0
FLAG 48 96 DIFP
FLAG 48 288 DIFN
FLAG 160 -32 UDD
FLAG -32 192 UCOM
FLAG 576 176 AUS2
IOPIN 576 176 Out
FLAG 800 176 AUS3
IOPIN 800 176 Out
SYMBOL current 288 -16 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName I1
SYMATTR Value 10µ
SYMBOL voltage 96 128 R0
WINDOW 39 0 0 Left 0
WINDOW 3 30 88 Left 0
WINDOW 123 24 36 Left 0
SYMATTR Value 0
SYMATTR Value2 AC 1 0
SYMATTR InstName VDIF
SYMBOL res 0 80 R0
WINDOW 3 36 67 Left 0
SYMATTR Value 1
SYMATTR InstName R1
SYMBOL res 0 192 R0
WINDOW 3 36 64 Left 0
SYMATTR Value 1
SYMATTR InstName R2
SYMBOL voltage -48 192 R90
WINDOW 0 -32 56 VBottom 0
WINDOW 3 31 30 VTop 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName VCOM
SYMATTR Value 1.5
SYMBOL voltage -192 80 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName VDD
SYMATTR Value 3
SYMBOL opa3P 256 176 R0
SYMATTR InstName X2
SYMBOL current 512 -16 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName I2
SYMATTR Value 10µ
SYMBOL current 736 -16 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName I3
SYMATTR Value 10µ
SYMBOL opa3P2 480 176 R0
SYMATTR InstName X1
SYMBOL opa3P3 704 176 R0
SYMATTR InstName X3
TEXT 0 336 Left 0 !.include C:/Programs/LTspiceIV/lib/sub/AMSlev49.sub
TEXT -208 336 Left 0 !.ac dec 99 1 1G