* SPICE netlist
V3 S1A 0 1
V4 S2A 0 2
V5 S3A 0 3
V6 S4A 0 4
V7 S1B 0 0
V8 S2B 0 5
V12 N001 0 5
V13 N002 0 -5
V14 EN 0 PULSE(0 5 0 10n 10n 10u 20u)
R1 DA 0 301
C1 N001 0 0.1
C2 N002 0 0.1
C3 DA 0 36p
R2 DB 0 301
C4 DB 0 36p
V1 S5A 0 1
V2 S6A 0 2
V9 S7A 0 3
V10 S8A 0 4
V11 S3B 0 1
V15 S4B 0 2
V16 S5B 0 3
V17 S6B 0 4
V18 A2 0 0
V20 S7B 0 1
V21 S8B 0 2
V22 A0 0 3
V23 A1 0 4
XU1 N001 DB MP_01 S8B S7B S6B S5B S4B S3B S2B S1B 0 MP_02 MP_03 A2 A1 A0 EN S1A S2A S3A S4A S5A S6A S7A S8A N002 DA ADG1607 ;pnba Vdd)DB))S8B)S7B)S6B)S5B)S4B)S3B)S2B)S1B)GND)))A2)A1)A0)EN)S1A)S2A)S3A)S4A)S5A)S6A)S7A)S8A)Vss)Da
.tran 100u

* LTspice schematic (.asc)
Version 4
SHEET 1 1072 1680
WIRE -104 -840 -152 -840
WIRE 40 -840 -24 -840
WIRE -104 -728 -152 -728
WIRE 40 -728 40 -840
WIRE 40 -728 -40 -728
WIRE 40 -632 40 -728
WIRE -264 -568 -296 -568
WIRE -120 -568 -184 -568
WIRE -88 -568 -120 -568
WIRE -392 -504 -408 -504
WIRE -120 -504 -312 -504
WIRE -88 -504 -120 -504
WIRE -504 -440 -536 -440
WIRE -120 -440 -424 -440
WIRE -88 -440 -120 -440
WIRE -264 -376 -296 -376
WIRE -120 -376 -184 -376
WIRE -88 -376 -120 -376
WIRE 216 -344 168 -344
WIRE 248 -344 216 -344
WIRE 328 -344 248 -344
WIRE 248 -328 248 -344
WIRE -392 -312 -408 -312
WIRE -120 -312 -312 -312
WIRE -88 -312 -120 -312
WIRE 328 -312 328 -344
WIRE -504 -248 -536 -248
WIRE -120 -248 -424 -248
WIRE -88 -248 -120 -248
WIRE 248 -232 248 -248
WIRE 328 -232 328 -248
WIRE -280 -184 -296 -184
WIRE -120 -184 -200 -184
WIRE -88 -184 -120 -184
WIRE -392 -120 -408 -120
WIRE -120 -120 -312 -120
WIRE -88 -120 -120 -120
WIRE -504 -56 -536 -56
WIRE -120 -56 -424 -56
WIRE -88 -56 -120 -56
WIRE -280 8 -296 8
WIRE -120 8 -200 8
WIRE -88 8 -120 8
WIRE -392 72 -408 72
WIRE -120 72 -312 72
WIRE -88 72 -120 72
WIRE -504 136 -536 136
WIRE -120 136 -424 136
WIRE -88 136 -120 136
WIRE 200 168 168 168
WIRE 248 168 200 168
WIRE 328 168 248 168
WIRE 248 184 248 168
WIRE -280 200 -296 200
WIRE -120 200 -200 200
WIRE -88 200 -120 200
WIRE 328 200 328 168
WIRE -392 264 -408 264
WIRE -120 264 -312 264
WIRE -88 264 -120 264
WIRE 248 280 248 264
WIRE 328 280 328 264
WIRE -504 328 -536 328
WIRE -120 328 -424 328
WIRE -88 328 -120 328
WIRE -280 392 -296 392
WIRE -120 392 -200 392
WIRE -88 392 -120 392
WIRE -392 456 -424 456
WIRE -104 456 -312 456
WIRE -88 456 -104 456
WIRE 200 456 168 456
WIRE 408 456 200 456
WIRE 536 456 488 456
WIRE -504 520 -536 520
WIRE -104 520 -424 520
WIRE -88 520 -104 520
WIRE -200 584 -216 584
WIRE -104 584 -120 584
WIRE -88 584 -104 584
WIRE 104 680 104 648
WIRE -136 728 -184 728
WIRE -24 728 -24 648
WIRE -24 728 -72 728
WIRE -136 840 -184 840
WIRE -24 840 -24 728
WIRE -24 840 -56 840
FLAG -152 -840 0
FLAG -152 -728 0
FLAG -296 -568 0
FLAG -408 -504 0
FLAG -536 -440 0
FLAG -296 -376 0
FLAG -536 -56 0
FLAG -296 8 0
FLAG -184 840 0
FLAG -184 728 0
FLAG 536 456 0
FLAG 104 680 0
FLAG 248 -232 0
FLAG 328 -232 0
FLAG 248 280 0
FLAG 328 280 0
FLAG -408 -312 0
FLAG -536 -248 0
FLAG -296 -184 0
FLAG -408 -120 0
FLAG -408 72 0
FLAG -536 136 0
FLAG -296 200 0
FLAG -408 264 0
FLAG -216 584 0
FLAG -536 328 0
FLAG -296 392 0
FLAG -424 456 0
FLAG -536 520 0
FLAG 216 -344 DA
FLAG 200 168 DB
FLAG 200 456 EN
FLAG -104 456 A0
FLAG -104 520 A1
FLAG -104 584 A2
FLAG -120 -568 S1A
FLAG -120 -504 S2A
FLAG -120 -440 S3A
FLAG -120 -376 S4A
FLAG -120 -312 S5A
FLAG -120 -248 S6A
FLAG -120 -184 S7A
FLAG -120 -120 S8A
FLAG -120 -56 S1B
FLAG -120 8 S2B
FLAG -120 72 S3B
FLAG -120 136 S4B
FLAG -120 200 S5B
FLAG -120 264 S6B
FLAG -120 328 S7B
FLAG -120 392 S8B
SYMBOL voltage -168 -568 R90
SYMATTR InstName V3
SYMATTR Value 1
SYMBOL voltage -296 -504 R90
SYMATTR InstName V4
SYMATTR Value 2
SYMBOL voltage -408 -440 R90
SYMATTR InstName V5
SYMATTR Value 3
SYMBOL voltage -168 -376 R90
SYMATTR InstName V6
SYMATTR Value 4
SYMBOL voltage -408 -56 R90
SYMATTR InstName V7
SYMATTR Value 0
SYMBOL voltage -184 8 R90
SYMATTR InstName V8
SYMATTR Value 5
SYMBOL voltage -8 -840 R90
SYMATTR InstName V12
SYMATTR Value 5
SYMBOL voltage -40 840 R90
SYMATTR InstName V13
SYMATTR Value -5
SYMBOL voltage 392 456 R270
SYMATTR InstName V14
SYMATTR Value PULSE(0 5 0 10n 10n 10u 20u)
SYMBOL res 232 -344 R0
SYMATTR InstName R1
SYMATTR Value 301
SYMBOL cap -40 -744 R90
SYMATTR InstName C1
SYMATTR Value 0.1
SYMBOL cap -72 712 R90
SYMATTR InstName C2
SYMATTR Value 0.1
SYMBOL cap 312 -312 R0
SYMATTR InstName C3
SYMATTR Value 36p
SYMBOL res 232 168 R0
SYMATTR InstName R2
SYMATTR Value 301
SYMBOL cap 312 200 R0
SYMATTR InstName C4
SYMATTR Value 36p
SYMBOL voltage -296 -312 R90
SYMATTR InstName V1
SYMATTR Value 1
SYMBOL voltage -408 -248 R90
SYMATTR InstName V2
SYMATTR Value 2
SYMBOL voltage -184 -184 R90
SYMATTR InstName V9
SYMATTR Value 3
SYMBOL voltage -296 -120 R90
SYMATTR InstName V10
SYMATTR Value 4
SYMBOL voltage -296 72 R90
SYMATTR InstName V11
SYMATTR Value 1
SYMBOL voltage -408 136 R90
SYMATTR InstName V15
SYMATTR Value 2
SYMBOL voltage -184 200 R90
SYMATTR InstName V16
SYMATTR Value 3
SYMBOL voltage -296 264 R90
SYMATTR InstName V17
SYMATTR Value 4
SYMBOL voltage -104 584 R90
SYMATTR InstName V18
SYMATTR Value 0
SYMBOL voltage -408 328 R90
SYMATTR InstName V20
SYMATTR Value 1
SYMBOL voltage -184 392 R90
SYMATTR InstName V21
SYMATTR Value 2
SYMBOL voltage -296 456 R90
SYMATTR InstName V22
SYMATTR Value 3
SYMBOL voltage -408 520 R90
SYMATTR InstName V23
SYMATTR Value 4
SYMBOL ADG1607 40 -312 R0
SYMATTR InstName U1