* Z:\home\khalils\Downloads\files\data\raw_asc\LTC2642-12.asc
* Generated by LTspice 26.0.1 for Windows.
* Library below included based on ModelFile attribute of instance XU2 (C:\users\khalils\AppData\Local\LTspice\lib\sym\OpAmps\LT1678.asy)
* Library below included based on ModelFile attribute of instance XU1 (C:\users\khalils\AppData\Local\LTspice\lib\sym\SpecialFunctions\LTC2642-12.asy)
V2 +V 0 5
V4 N002 0 5
V5 N003 0 2.5
V3 -V 0 -5
C1 OUT N005 5p
V8 N008 0 PWL(0 3.3 2.6u 3.3 +2n 0 +30n 0 +2n 3.3)
XU2 N007 N005 OUT +V -V LT1678 ;pnba IN+)IN-)OUT)VCC)VEE
V7 N006 0 PULSE(0 3.3 1.296u 0.1n 0.1n 19.8n 40n)
XU1 N003 N001 N004 N006 N008 N007 N005 OUT N002 0 LTC2642-12 ;pnba REF)_CS)SCLK)DIN)_CLR)Vout)INV)Rfb)Vdd)GND
V1 N001 0 PWL(0 3.3 1.2u 3.3 +2n 0 1.51u 0 +2n 3.3)
V6 N004 0 PULSE(0 3.3 0 0.1n 0.1n 9.9n 20n)
.tran 3.5u
.lib LTC2.lib
.lib LTC2642-12.sub
.backanno
.end

* LTspice schematic (.asc):
Version 4
SHEET 1 2580 932
WIRE 304 32 304 0
WIRE 416 32 416 0
WIRE 624 32 624 16
WIRE 752 32 752 16
WIRE -32 64 -48 64
WIRE 192 64 48 64
WIRE 304 144 304 112
WIRE 416 144 416 112
WIRE 624 144 624 112
WIRE 752 144 752 112
WIRE -32 192 -48 192
WIRE 160 192 48 192
WIRE 192 192 192 64
WIRE 224 192 192 192
WIRE 608 192 512 192
WIRE 816 192 608 192
WIRE 832 192 816 192
WIRE 608 208 608 192
WIRE 160 256 160 192
WIRE 224 256 160 256
WIRE 704 272 704 256
WIRE 608 288 608 272
WIRE 608 288 512 288
WIRE 672 288 608 288
WIRE 832 304 832 192
WIRE 832 304 736 304
WIRE -32 320 -48 320
WIRE 224 320 48 320
WIRE 672 320 608 320
WIRE 704 352 704 336
WIRE 224 384 176 384
WIRE 608 384 608 320
WIRE 608 384 512 384
WIRE 368 432 368 416
WIRE -32 448 -48 448
WIRE 176 448 176 384
WIRE 176 448 48 448
SYMBOL voltage 64 64 R90
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 0 -49 44 VRight 2
WINDOW 3 46 -122 VRight 2
SYMATTR InstName V1
SYMATTR Value PWL(0 3.3 1.2u 3.3 +2n 0 1.51u 0 +2n 3.3)
SYMBOL voltage 64 320 R90
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 0 -49 44 VRight 2
WINDOW 3 46 -99 VRight 2
SYMATTR InstName V7
SYMATTR Value PULSE(0 3.3 1.296u 0.1n 0.1n 19.8n 40n)
SYMBOL LTC2642-12 368 288 R0
SYMATTR InstName U1
SYMBOL opamps\\LT1678 704 304 R0
SYMATTR InstName U2
SYMBOL voltage 64 448 R90
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 0 -49 44 VRight 2
WINDOW 3 46 -99 VRight 2
SYMATTR InstName V8
SYMATTR Value PWL(0 3.3 2.6u 3.3 +2n 0 +30n 0 +2n 3.3)
SYMBOL voltage 624 16 R0
SYMATTR InstName V3
SYMATTR Value -5
SYMBOL voltage 416 128 M180
WINDOW 0 24 96 Left 2
WINDOW 3 24 16 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V5
SYMATTR Value 2.5
SYMBOL voltage 64 192 R90
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 0 -49 44 VRight 2
WINDOW 3 46 -89 VRight 2
SYMATTR InstName V6
SYMATTR Value PULSE(0 3.3 0 0.1n 0.1n 9.9n 20n)
SYMBOL voltage 752 16 R0
SYMATTR InstName V2
SYMATTR Value 5
SYMBOL cap 592 208 R0
SYMATTR InstName C1
SYMATTR Value 5p
SYMBOL voltage 304 128 M180
WINDOW 0 24 96 Left 2
WINDOW 3 24 16 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V4
SYMATTR Value 5
FLAG 368 432 0
FLAG -48 320 0
FLAG 752 144 0
FLAG 752 16 +V
FLAG 624 144 0
FLAG 624 16 -V
FLAG 304 0 0
FLAG 416 0 0
FLAG -48 192 0
FLAG -48 64 0
FLAG -48 448 0
FLAG 704 256 +V
FLAG 704 352 -V
FLAG 816 192 OUT
TEXT 624 464 Left 2 !.tran 3.5u