Version 4
SHEET 1 880 728
WIRE 224 -96 -240 -96
WIRE 128 -48 -64 -48
WIRE -240 -32 -240 -96
WIRE -64 -32 -64 -48
WIRE 128 0 128 -48
WIRE 224 0 224 -96
WIRE 640 48 352 48
WIRE -240 64 -240 48
WIRE -64 64 -64 48
WIRE 640 144 640 48
WIRE 640 144 416 144
WIRE -16 176 -704 176
WIRE 64 176 -16 176
WIRE 592 176 432 176
WIRE 640 176 640 144
WIRE 640 176 592 176
WIRE -704 224 -704 176
WIRE 480 256 384 256
WIRE 640 256 640 176
WIRE 640 256 544 256
WIRE -704 336 -704 304
WIRE -384 336 -384 304
WIRE -240 336 -240 304
WIRE 640 336 640 256
WIRE 128 384 128 352
WIRE 640 464 640 416
WIRE 128 496 128 464
WIRE 224 496 224 352
WIRE 224 496 128 496
WIRE 128 512 128 496
FLAG -64 64 0
FLAG -240 64 0
FLAG 128 512 0
FLAG 640 464 0
FLAG -704 336 0
FLAG -384 336 0
FLAG 592 176 Vout
FLAG -240 336 0
FLAG -16 176 vDAC
SYMBOL voltage -64 -48 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 10
SYMBOL voltage -240 -48 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value 5
SYMBOL voltage 128 368 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value -7
SYMBOL res 624 320 R0
SYMATTR InstName R1
SYMATTR Value 1k noiseless
SYMBOL voltage -704 208 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V4
SYMATTR Value SINE(1.25 1.25 1MEG)
SYMBOL voltage -384 208 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V5
SYMATTR Value 2.5
SYMBOL voltage -240 208 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V6
SYMATTR Value PWL(0 0 2u 0 +1n 2.5)
SYMBOL cap 544 240 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 10p
SYMBOL AD3541R 224 176 R0
SYMATTR InstName U2
SYMATTR Value2 RANGE_SEL=1
TEXT -272 536 Left 2 !.tran 0 5u 0 1n
TEXT -272 592 Left 2 ;.noise V(Vout) V5 dec 10 0.1 1g
TEXT -840 432 Left 2 ;VDAC input should be within the range 0 to 2.5V\nRANGE_SEL should be an integer within 0 to 4
TEXT -840 -104 Left 2 ;Range              RFB            RANGE_SEL \n0 to 2.5V            1x                       0           \n0 to 5V               1x                       1\n0 to 10V             2x                       2\n-5 to 5V              2x                       3\n-2.5 to 7.5V        2x                       4
TEXT -272 640 Left 2 ;.dc V5 0 2.5 0.1