* SPICE netlist
V1 N011 0 3.3
R1 N006 IN 22.6K
R2 N007 N006 20.5K
R3 N004 N006 10K
R4 N009 N006 22.6K
R5 N001 IN 56.2K
R6 N001 N004 13.3K
R7 N005 N001 43.2K
R8 N008 N001 43.2K
R9 N002 N001 196K
R10 N002 N003 9.09K
R11 N005 N003 34K
R12 OUT N013 34.8K
R13 N015 N013 14.3K
R14 N017 N013 16.9K
R15 N013 N014 24.9K
R16 N012 N003 48.7K
R17 N014 N003 12.7K
R18 N016 N003 10.7K
R19 N012 N013 26.7K
C1 N010 0 .1
V3 IN 0 AC 1
XU1 N006 N007 N004 N009 N010 N010 N011 N012 N012 N014 N016 N003 N013 N017 N015 OUT N010 0 N002 N002 N008 N005 N001 LTC1068-50 Fclk=500K ;pnba INV B)HPB/NB)BPB)LPB)SB)AGND)V+)SA)LPA)BPA)HPA/NA)INV A)INV D)HPD/ND)BPD)LPD)SD)V-)SC)LPC)BPC)HPC/NC)INV C
.ac oct 200 1K 100K

* LTspice schematic (.asc)
Version 4
SHEET 1 1152 1232
WIRE -16 -600 -400 -600
WIRE 288 -600 64 -600
WIRE 336 -584 320 -584
WIRE 528 -584 416 -584
WIRE 80 -552 -112 -552
WIRE 288 -552 288 -600
WIRE 288 -552 160 -552
WIRE 432 -488 352 -488
WIRE 528 -488 528 -584
WIRE 528 -488 512 -488
WIRE -96 -440 -288 -440
WIRE 288 -440 288 -552
WIRE 288 -440 256 -440
WIRE 512 -440 288 -440
WIRE -400 -376 -400 -600
WIRE -400 -376 -576 -376
WIRE -384 -376 -400 -376
WIRE -288 -376 -288 -440
WIRE -288 -376 -304 -376
WIRE -272 -376 -288 -376
WIRE -96 -376 -192 -376
WIRE 352 -376 352 -488
WIRE 352 -376 256 -376
WIRE 400 -376 352 -376
WIRE 512 -376 512 -440
WIRE 512 -376 480 -376
WIRE -576 -360 -576 -376
WIRE -288 -312 -288 -376
WIRE -208 -312 -288 -312
WIRE -112 -312 -112 -552
WIRE -112 -312 -128 -312
WIRE -96 -312 -112 -312
WIRE 336 -312 256 -312
WIRE 512 -312 512 -376
WIRE 512 -312 416 -312
WIRE -576 -264 -576 -280
WIRE -288 -248 -288 -312
WIRE -272 -248 -288 -248
WIRE -96 -248 -192 -248
WIRE 320 -248 320 -584
WIRE 320 -248 256 -248
WIRE 400 -248 320 -248
WIRE 512 -248 512 -312
WIRE 512 -248 480 -248
WIRE -96 -184 -352 -184
WIRE 320 -184 320 -248
WIRE 320 -184 256 -184
WIRE 288 -120 256 -120
WIRE -352 -56 -352 -184
WIRE -304 -56 -352 -56
WIRE -96 -56 -304 -56
WIRE -304 -40 -304 -56
WIRE -192 8 -208 8
WIRE -96 8 -112 8
WIRE -304 40 -304 24
WIRE 576 104 288 104
WIRE -96 136 -128 136
WIRE 544 136 256 136
WIRE -304 200 -336 200
WIRE -128 200 -128 136
WIRE -128 200 -224 200
WIRE -96 200 -128 200
WIRE 288 200 288 104
WIRE 288 200 256 200
WIRE 336 200 288 200
WIRE 432 200 416 200
WIRE -336 264 -336 200
WIRE -240 264 -336 264
WIRE -112 264 -160 264
WIRE -96 264 -112 264
WIRE 272 264 256 264
WIRE 432 264 432 200
WIRE 432 264 352 264
WIRE -336 328 -336 264
WIRE -304 328 -336 328
WIRE -96 328 -224 328
WIRE 336 328 256 328
WIRE 432 328 432 264
WIRE 432 328 416 328
WIRE -336 392 -336 328
WIRE -96 392 -336 392
WIRE 272 392 256 392
WIRE 432 392 432 328
WIRE 432 392 272 392
WIRE -112 504 -112 264
WIRE 48 504 -112 504
WIRE 272 504 272 392
WIRE 272 504 128 504
WIRE -128 552 -128 200
WIRE -96 552 -128 552
WIRE 272 552 272 504
WIRE 272 552 -16 552
WIRE -336 600 -336 392
WIRE 528 600 528 -488
WIRE 528 600 -336 600
WIRE -352 616 -352 -56
WIRE 544 616 544 136
WIRE 544 616 -352 616
FLAG -208 8 0
FLAG -576 -264 0
FLAG -576 -376 IN
FLAG 576 104 OUT
FLAG 288 -120 0
FLAG -304 40 0
SYMBOL voltage -96 8 R90
SYMATTR InstName V1
SYMATTR Value 3.3
SYMBOL res -288 -392 R90
SYMATTR InstName R1
SYMATTR Value 22.6K
SYMBOL res -176 -392 R90
SYMATTR InstName R2
SYMATTR Value 20.5K
SYMBOL res -112 -328 R90
SYMATTR InstName R3
SYMATTR Value 10K
SYMBOL res -176 -264 R90
SYMATTR InstName R4
SYMATTR Value 22.6K
SYMBOL res 80 -616 R90
SYMATTR InstName R5
SYMATTR Value 56.2K
SYMBOL res 176 -568 R90
SYMATTR InstName R6
SYMATTR Value 13.3K
SYMBOL res 384 -392 M90
SYMATTR InstName R7
SYMATTR Value 43.2K
SYMBOL res 320 -328 M90
SYMATTR InstName R8
SYMATTR Value 43.2K
SYMBOL res 384 -264 M90
SYMATTR InstName R9
SYMATTR Value 196K
SYMBOL res 320 -600 M90
SYMATTR InstName R10
SYMATTR Value 9.09K
SYMBOL res 416 -504 M90
SYMATTR InstName R11
SYMATTR Value 34K
SYMBOL res 320 184 M90
SYMATTR InstName R12
SYMATTR Value 34.8K
SYMBOL res 256 248 M90
SYMATTR InstName R13
SYMATTR Value 14.3K
SYMBOL res 320 312 M90
SYMATTR InstName R14
SYMATTR Value 16.9K
SYMBOL res 144 488 R90
SYMATTR InstName R15
SYMATTR Value 24.9K
SYMBOL res -208 184 R90
SYMATTR InstName R16
SYMATTR Value 48.7K
SYMBOL res -144 248 R90
SYMATTR InstName R17
SYMATTR Value 12.7K
SYMBOL res -208 312 R90
SYMATTR InstName R18
SYMATTR Value 10.7K
SYMBOL res -112 568 R270
SYMATTR InstName R19
SYMATTR Value 26.7K
SYMBOL cap -320 -40 R0
SYMATTR InstName C1
SYMATTR Value .1
SYMBOL voltage -576 -376 R0
SYMATTR InstName V3
SYMATTR Value AC 1
SYMBOL FilterProducts\\LTC1068-50 80 -184 R0
SYMATTR InstName U1