Version 4
SHEET 1 956 680
WIRE 160 -64 -256 -64
WIRE 336 -64 160 -64
WIRE -256 96 -256 -64
WIRE 64 96 16 96
WIRE 112 96 64 96
WIRE 128 96 112 96
WIRE 224 96 208 96
WIRE 336 128 336 -64
WIRE 112 144 112 96
WIRE 224 176 224 96
WIRE 288 176 224 176
WIRE -144 192 -192 192
WIRE -32 192 -64 192
WIRE 16 192 16 176
WIRE 16 192 -32 192
WIRE 448 192 400 192
WIRE 16 208 16 192
WIRE 288 208 224 208
WIRE 336 272 336 256
WIRE 64 288 16 288
WIRE 112 288 112 224
WIRE 112 288 64 288
WIRE 224 288 224 208
WIRE 224 288 112 288
WIRE 336 288 336 272
WIRE -256 384 -256 176
WIRE -192 384 -192 192
WIRE -192 384 -256 384
WIRE 336 384 336 368
WIRE 336 384 -192 384
WIRE -256 400 -256 384
FLAG -256 400 0
FLAG 64 96 DIFP
FLAG 64 288 DIFN
FLAG 160 -64 UDD
FLAG -32 192 UCOM
FLAG 448 192 OUT
IOPIN 448 192 Out
FLAG 336 272 UB
SYMBOL current 336 288 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName Itail
SYMATTR Value 10µ
SYMBOL voltage 112 128 R0
WINDOW 39 0 0 Left 2
WINDOW 3 30 88 Left 2
SYMATTR Value PULSE(-5µ 5µ 0 100µ 100µ 2µ 204µ)
SYMATTR Value2 AC 0 0
SYMATTR InstName VDIF
SYMBOL res 0 80 R0
SYMATTR InstName R1
SYMATTR Value 1k
SYMBOL res 0 192 R0
SYMATTR InstName R2
SYMATTR Value 1k
SYMBOL voltage -48 192 R90
WINDOW 0 -32 56 VBottom 2
WINDOW 3 31 30 VTop 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName VCOM
SYMATTR Value PULSE(0 5 0 10m 10m 10m 1)
SYMBOL voltage -256 80 R0
SYMATTR InstName VDD
SYMATTR Value 5
SYMBOL OpaA1 336 192 R0
SYMATTR InstName X1
SYMBOL voltage 224 96 R90
WINDOW 0 -32 56 VBottom 2
WINDOW 3 32 56 VTop 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName OFFS
SYMATTR Value 8µ
TEXT 40 432 Left 2 !.include C:/Programs/LTspiceIV/lib/sub/AMSlev49.sub
TEXT -192 432 Left 2 !;dc VCOM 0 5 1m
TEXT -128 344 Left 2 !.tran 0 10m 0