Version 4
SHEET 1 2476 804
WIRE 544 -128 400 -128
WIRE 784 -128 608 -128
WIRE 1376 -128 1072 -128
WIRE 1760 -128 1456 -128
WIRE -496 -32 -608 -32
WIRE -336 -32 -432 -32
WIRE 192 -32 80 -32
WIRE 304 -32 192 -32
WIRE 400 -32 400 -128
WIRE 400 -32 368 -32
WIRE 432 -32 400 -32
WIRE 576 -32 496 -32
WIRE 640 -32 576 -32
WIRE 784 -32 784 -128
WIRE 784 -32 720 -32
WIRE 960 -32 784 -32
WIRE 1072 -32 1072 -128
WIRE 1072 -32 1040 -32
WIRE 1104 -32 1072 -32
WIRE 1264 -32 1184 -32
WIRE 1408 -32 1264 -32
WIRE 1472 -32 1408 -32
WIRE 1616 -32 1536 -32
WIRE 1648 -32 1616 -32
WIRE 1760 -32 1760 -128
WIRE 1760 -32 1728 -32
WIRE 1872 -32 1760 -32
WIRE 2000 -32 1952 -32
WIRE 2112 -32 2000 -32
WIRE 192 0 192 -32
WIRE 144 32 -128 32
WIRE -240 48 -240 -16
WIRE -608 64 -608 -32
WIRE 624 64 624 48
WIRE 1456 64 1456 48
WIRE 400 96 400 -32
WIRE 2160 96 2160 -64
WIRE 576 112 576 -32
WIRE 592 112 576 112
WIRE 784 112 784 -32
WIRE 784 112 752 112
WIRE 1072 112 1072 -32
WIRE 1264 112 1264 -32
WIRE 1408 112 1408 -32
WIRE 1424 112 1408 112
WIRE 1616 112 1616 -32
WIRE 1616 112 1584 112
WIRE 2000 112 2000 -32
WIRE 2112 112 2112 -32
WIRE 2160 112 2160 96
WIRE -128 128 -128 32
WIRE -64 128 -128 128
WIRE 0 128 0 -16
WIRE -64 144 -64 128
WIRE -32 144 -64 144
WIRE 592 144 528 144
WIRE 1424 144 1360 144
WIRE 80 160 80 -32
WIRE 80 160 32 160
WIRE 144 160 144 32
WIRE 192 160 192 80
WIRE 192 160 144 160
WIRE 1360 160 1360 144
WIRE -32 176 -64 176
WIRE 528 176 528 144
WIRE 592 176 576 176
WIRE 784 176 752 176
WIRE 1424 176 1408 176
WIRE 1616 176 1584 176
WIRE -336 192 -336 -32
WIRE -240 192 -240 128
WIRE -240 192 -336 192
WIRE -64 192 -64 176
WIRE -64 192 -240 192
WIRE 192 208 192 160
WIRE -240 224 -240 192
WIRE -608 256 -608 144
WIRE 528 256 528 240
WIRE 624 256 624 224
WIRE 1360 256 1360 224
WIRE 1456 256 1456 224
WIRE -240 320 -240 304
WIRE 0 320 0 192
WIRE 192 320 192 288
WIRE 304 320 192 320
WIRE 400 320 400 176
WIRE 400 320 368 320
WIRE 432 320 400 320
WIRE 576 320 576 176
WIRE 576 320 496 320
WIRE 640 320 576 320
WIRE 784 320 784 176
WIRE 784 320 720 320
WIRE 960 320 784 320
WIRE 1072 320 1072 176
WIRE 1072 320 1040 320
WIRE 1104 320 1072 320
WIRE 1264 320 1264 176
WIRE 1264 320 1184 320
WIRE 1408 320 1408 176
WIRE 1408 320 1264 320
WIRE 1472 320 1408 320
WIRE 1616 320 1616 176
WIRE 1616 320 1536 320
WIRE 1648 320 1616 320
WIRE 1760 320 1728 320
WIRE 1872 320 1760 320
WIRE 2000 320 2000 176
WIRE 2000 320 1952 320
WIRE 2112 320 2112 160
WIRE 2112 320 2000 320
WIRE 192 432 192 320
WIRE 400 432 400 320
WIRE 544 432 400 432
WIRE 784 432 784 320
WIRE 784 432 608 432
WIRE 1072 432 1072 320
WIRE 1376 432 1072 432
WIRE 1760 432 1760 320
WIRE 1760 432 1456 432
WIRE 2160 432 2160 176
WIRE -560 464 -560 448
WIRE -448 464 -448 432
WIRE -560 560 -560 544
WIRE -448 560 -448 544
FLAG -560 560 0
FLAG 624 256 0
FLAG 528 256 0
FLAG 624 48 +V
FLAG -560 448 +V
FLAG -608 256 0
FLAG -448 560 0
FLAG -448 432 Vcom
FLAG 1456 256 0
FLAG 1360 256 0
FLAG 1456 48 +V
FLAG 2160 432 0
FLAG 2160 -64 Vout
IOPIN 2160 -64 Out
FLAG 192 432 0
FLAG -240 -16 Vcom
FLAG 0 320 0
FLAG 0 -16 +V
FLAG -240 320 0
SYMBOL res 736 -48 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 15.8k
SYMBOL res 736 304 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 15.8k
SYMBOL voltage -608 48 R0
WINDOW 123 24 124 Left 2
WINDOW 39 24 180 Left 2
WINDOW 3 24 152 Left 2
SYMATTR Value2 AC 1
SYMATTR SpiceLine Rser=4k Cpar=13p
SYMATTR Value SINE(0.4 0.0125 50k)
SYMATTR InstName V1
SYMBOL voltage -560 448 R0
WINDOW 123 24 138 Left 2
WINDOW 39 24 117 Left 2
SYMATTR InstName V2
SYMATTR Value 3.3
SYMBOL cap 544 240 R180
WINDOW 0 24 56 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C1
SYMATTR Value .1µ
SYMBOL LTC6363 656 144 R0
SYMATTR InstName U1
SYMBOL cap 368 -48 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 14n
SYMBOL cap 368 304 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 14n
SYMBOL res 384 80 R0
SYMATTR InstName R2
SYMATTR Value 158
SYMBOL cap 496 -48 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C4
SYMATTR Value 14n
SYMBOL cap 496 304 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C5
SYMATTR Value 14n
SYMBOL cap 608 416 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C6
SYMATTR Value 180p
SYMBOL cap 608 -144 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C7
SYMATTR Value 180p
SYMBOL voltage -448 448 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value 1
SYMBOL cap 1376 224 R180
WINDOW 0 24 56 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C8
SYMATTR Value .1µ
SYMBOL LTC6363 1488 144 R0
SYMATTR InstName U2
SYMBOL res 1056 -48 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 1.2k
SYMBOL res 1056 304 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R8
SYMATTR Value 1.2k
SYMBOL res 1200 -48 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R9
SYMATTR Value 330
SYMBOL res 1200 304 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R10
SYMATTR Value 330
SYMBOL cap 1056 112 R0
SYMATTR InstName C10
SYMATTR Value 470p
SYMBOL res 1472 -144 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 1.2k
SYMBOL res 1472 416 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R11
SYMATTR Value 1.2k
SYMBOL cap 1536 304 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C11
SYMATTR Value 270p
SYMBOL cap 1536 -48 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C12
SYMATTR Value 270p
SYMBOL res 1744 -48 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 5
SYMBOL res 1744 304 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 5
SYMBOL res 1968 -48 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R12
SYMATTR Value 10
SYMBOL res 1968 304 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R13
SYMATTR Value 10
SYMBOL cap 1984 112 R0
SYMATTR InstName C13
SYMATTR Value 22n
SYMBOL e 2160 80 R0
SYMATTR InstName E2
SYMATTR Value 1
SYMBOL cap 1248 112 R0
SYMATTR InstName C9
SYMATTR Value 1n
SYMBOL res 176 192 R0
SYMATTR InstName R14
SYMATTR Value 500
SYMBOL res 176 -16 R0
SYMATTR InstName R15
SYMATTR Value 1.12k
SYMBOL res -256 32 R0
SYMATTR InstName R16
SYMATTR Value 100k
SYMBOL Opamps\\LT6202 0 160 R0
SYMATTR InstName U3
SYMBOL cap -432 -48 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C14
SYMATTR Value 4.7µ
SYMBOL res -256 208 R0
SYMATTR InstName R17
SYMATTR Value 75k
TEXT -200 448 Left 3 !;tran 0 2m 1m 20n
TEXT -200 408 Left 3 !.ac oct 10 1k 16000k
TEXT -208 488 Left 3 !;noise V(Vout) V1 oct 10 1k 1000k
TEXT -208 528 Left 3 !;noise V(N007) V1 oct 10 1k 1000k
TEXT 480 512 Left 2 !.option plotwinsize=0
TEXT 480 536 Left 2 !.option numdgt=10
TEXT -608 -144 VLeft 3 ;Microphone\n(Knowles FG-23629)
TEXT -64 -144 VLeft 3 ;Impedance matching
TEXT 328 -144 VLeft 3 ;Signal to differential\nFilter: 2nd Order HP\nFc = 80 kHz, +36 dB
TEXT 1000 -144 VLeft 3 ;Filter: 2nd order LP\n(see p. 71, ADS127L01.pdf)
TEXT 2128 -152 VLeft 3 ;to ADC:\nADS127L01
TEXT 1904 -144 VLeft 3 ;Filter: passive RC\n(see p. 71, ADS127L01.pdf)
TEXT 480 568 Left 2 !.lib opamp.sub