Version 4
SHEET 1 4472 1028
WIRE -2384 -384 -2688 -384
WIRE -2592 -320 -2592 -336
WIRE -2688 -272 -2688 -384
WIRE -2624 -272 -2688 -272
WIRE -2384 -240 -2384 -384
WIRE -2384 -240 -2480 -240
WIRE -2288 -240 -2384 -240
WIRE -2128 -240 -2208 -240
WIRE -1952 -240 -2128 -240
WIRE -1872 -240 -1952 -240
WIRE -2624 -208 -2832 -208
WIRE -2128 -208 -2128 -240
WIRE -2832 -176 -2832 -208
WIRE -2880 -160 -2944 -160
WIRE -2592 -144 -2592 -160
WIRE -2880 -112 -2896 -112
WIRE -1952 -112 -1952 -240
WIRE -2128 -96 -2128 -144
WIRE -2048 -96 -2128 -96
WIRE -2832 -80 -2832 -96
WIRE -2384 -80 -2688 -80
WIRE -2128 -48 -2128 -96
WIRE -2592 -16 -2592 -32
WIRE -2944 0 -2944 -160
WIRE -2944 0 -3200 0
WIRE -2688 32 -2688 -80
WIRE -2624 32 -2688 32
WIRE -3200 48 -3200 0
WIRE -3696 64 -3696 16
WIRE -3520 64 -3520 16
WIRE -2384 64 -2384 -80
WIRE -2384 64 -2480 64
WIRE -2288 64 -2384 64
WIRE -2128 64 -2128 16
WIRE -2128 64 -2208 64
WIRE -1952 64 -1952 -48
WIRE -1952 64 -2128 64
WIRE -1872 64 -1952 64
WIRE -2624 96 -2832 96
WIRE -2832 128 -2832 96
WIRE -2944 144 -2944 0
WIRE -2880 144 -2944 144
WIRE -3200 160 -3200 128
WIRE -2592 160 -2592 144
WIRE -3696 192 -3696 144
WIRE -3520 192 -3520 144
WIRE -2880 192 -2896 192
WIRE -2832 224 -2832 208
FLAG -3696 192 0
FLAG -3520 192 0
FLAG -3696 16 V+
FLAG -3520 16 V-
FLAG -2592 -336 V+
FLAG -2592 -144 V-
FLAG -2832 -80 0
FLAG -2544 -160 V+
FLAG -2832 -208 In1
FLAG -2592 -32 V+
FLAG -2592 160 V-
FLAG -2832 224 0
FLAG -2544 144 V+
FLAG -2048 -96 0
FLAG -2832 96 In2
FLAG -2896 -112 0
FLAG -3200 160 0
FLAG -2896 192 0
SYMBOL voltage -3696 48 R0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL voltage -3520 48 R0
SYMATTR InstName V2
SYMATTR Value -2.5
SYMBOL LTC6227 -2592 -240 R0
SYMATTR InstName U1
SYMBOL LTC6227 -2592 64 R0
SYMATTR InstName U2
SYMBOL res -2192 -256 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 33
SYMBOL res -2192 48 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 33
SYMBOL cap -2144 -208 R0
SYMATTR InstName C1
SYMATTR Value 68p
SYMBOL cap -2144 -48 R0
SYMATTR InstName C2
SYMATTR Value 68p
SYMBOL cap -1968 -112 R0
SYMATTR InstName C3
SYMATTR Value 330p
SYMBOL voltage -3200 32 R0
WINDOW 123 24 44 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value SINE(0 1.65 50k)
SYMBOL e -2832 -192 R0
SYMATTR InstName E1
SYMATTR Value 1
SYMBOL e2 -2832 112 R0
SYMATTR InstName E2
SYMATTR Value 1
TEXT -2048 272 Left 2 !.tran .5m
TEXT -1848 -240 Left 2 ;To ADC IN+
TEXT -1848 64 Left 2 ;To ADC IN-