Version 4
SHEET 1 880 680
WIRE 128 80 -208 80
WIRE 208 80 208 64
WIRE 96 96 -16 96
WIRE 128 96 128 80
WIRE 144 96 128 96
WIRE -352 112 -352 96
WIRE -208 112 -208 80
WIRE -16 112 -16 96
WIRE 96 128 96 96
WIRE 144 128 96 128
WIRE 400 144 272 144
WIRE 144 160 96 160
WIRE 400 160 400 144
WIRE 144 192 128 192
WIRE -352 208 -352 192
WIRE -16 208 -16 192
WIRE 96 208 96 160
WIRE 96 208 -16 208
WIRE -208 224 -208 192
WIRE 128 224 128 192
WIRE 128 224 -208 224
WIRE 176 224 176 208
WIRE 240 224 240 208
WIRE -208 240 -208 224
WIRE 400 256 400 240
WIRE 240 320 240 304
WIRE -208 336 -208 320
FLAG -352 208 0
FLAG -208 336 0
FLAG 240 320 0
FLAG 400 256 0
FLAG 176 224 0
FLAG 400 144 OUT
FLAG 208 64 +V
FLAG -352 96 +V
SYMBOL AD8236 208 144 R0
WINDOW 3 43 34 Left 2
SYMATTR InstName U1
SYMBOL voltage -208 224 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName Vcm
SYMATTR Value 2.5
SYMBOL voltage 240 208 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName Vref
SYMATTR Value 2.5
SYMBOL voltage -352 96 R0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL res 384 144 R0
SYMATTR InstName Rload
SYMATTR Value 10K
SYMBOL voltage -208 96 R0
WINDOW 123 24 132 Left 2
WINDOW 39 24 114 Left 2
SYMATTR Value SINE(0 .1 1K)
SYMATTR InstName Vdiff
SYMBOL res -32 96 R0
SYMATTR InstName Rgain
SYMATTR Value 84.5K
TEXT 360 360 Left 2 !.tran 100m