Version 4
SHEET 1 2580 1316
WIRE 176 0 128 0
WIRE 352 0 256 0
WIRE 544 0 480 0
WIRE 672 0 624 0
WIRE -416 64 -464 64
WIRE -208 64 -336 64
WIRE 352 80 352 0
WIRE 480 80 480 0
WIRE 704 80 704 48
WIRE -208 128 -208 64
WIRE 240 128 -208 128
WIRE 704 160 704 144
WIRE 704 160 592 160
WIRE 240 176 -208 176
WIRE -416 240 -464 240
WIRE -208 240 -208 176
WIRE -208 240 -336 240
WIRE 96 240 64 240
WIRE 240 240 160 240
WIRE 704 240 592 240
WIRE 704 256 704 240
WIRE -64 304 -96 304
WIRE 240 304 16 304
WIRE 704 336 704 320
WIRE 240 368 176 368
WIRE 416 432 416 416
WIRE 176 448 176 368
WIRE 176 560 176 528
WIRE -176 672 -176 624
WIRE 416 672 416 624
WIRE -176 784 -176 752
WIRE 416 784 416 752
FLAG 416 432 0
FLAG 704 240 OUT
FLAG 704 336 0
FLAG -464 240 0
FLAG -96 304 0
FLAG -176 784 0
FLAG 416 784 0
FLAG 416 624 sclk2
FLAG -176 624 sclk1
FLAG 176 560 0
FLAG -464 64 0
FLAG 128 0 0
FLAG 672 0 0
FLAG 704 48 0
FLAG 64 240 0
SYMBOL voltage 272 0 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 -32 56 VBottom 2
WINDOW 123 -68 56 VBottom 2
WINDOW 39 -50 56 VBottom 2
SYMATTR InstName V2
SYMATTR Value PWL(0 0 .1u 5)
SYMBOL cap 688 256 R0
SYMATTR InstName C1
SYMATTR Value 10p
SYMBOL voltage -320 64 R90
WINDOW 0 -32 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName Va+
SYMATTR Value PWL(0 0 200u 4.096)
SYMBOL voltage -320 240 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 -32 56 VBottom 2
SYMATTR InstName Va-
SYMATTR Value PWL(0 4.096 200u 0)
SYMBOL voltage 32 304 R90
WINDOW 0 -32 56 VBottom 2
WINDOW 3 33 46 VTop 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value PULSE(0 1.8 227n .1n .1n 40n 199.5n)
SYMBOL voltage -176 656 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName Vsclk1
SYMATTR Value PULSE(0 1.8 9.5n .1n .1n 4.05625n 8.3125n)
SYMBOL bv 176 432 R0
SYMATTR InstName Bsclk
SYMATTR Value V=if(V(sclk2)>V(sclk1),V(sclk2),V(sclk1))
SYMBOL voltage 416 656 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName Vsclk2
SYMATTR Value PULSE(0 1.81 11.875n .1n .1n 66.5n 199.5n)
SYMBOL voltage 528 0 M90
WINDOW 0 -32 56 VBottom 2
WINDOW 3 32 56 VTop 2
WINDOW 123 68 56 VTop 2
WINDOW 39 50 56 VTop 2
SYMATTR InstName V3
SYMATTR Value 1.8
SYMBOL cap 688 144 M180
WINDOW 0 38 56 Left 2
WINDOW 3 38 30 Left 2
WINDOW 123 47 -18 Left 2
WINDOW 39 45 6 Left 2
SYMATTR InstName C2
SYMATTR Value 10µ
SYMATTR Value2 ic=4.096
SYMATTR SpiceLine Rser=10m
SYMBOL cap 160 224 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 49 VTop 2
WINDOW 123 32 -29 VTop 2
SYMATTR InstName C3
SYMATTR Value 10µ
SYMATTR Value2 ic=1.25
SYMBOL LTC2311-16 416 240 R0
SYMATTR InstName U1
TEXT 728 536 Left 2 !.tran 200u
TEXT -176 448 Left 2 ;SCLK and _CNV\nare shown in timing\ndiagram on page 12\nof LTC2311-16 data sheet