* Z:\tmp\asc_dec_bjh7r6w2\058df2f23961_R2RDAC_dec1.asc
* Generated by LTspice 26.0.1 for Windows.
R14 N003 N007 2k
R36 N048 V- 1k
M7 V+ NC_01 N024 N024 PMOS
R28 N025 N028 1k
R39 N044 N047 2k
R46 N038 N039 1k
XU10 N028 N004 V+ V- N029 level.3b Avol=1Meg GBW=10Meg Slew=10Meg Ilimit=25m Rail=0 Vos=0 En=0 Enk=0 In=0 Ink=0 Rin=500Meg ;pnba In+)In-)V+)V-)OUT
R30 N031 N034 1k
R45 N036 N039 2k
XU2 N005 N004 V+ V- N006 level.3b Avol=1Meg GBW=10Meg Slew=10Meg Ilimit=25m Rail=0 Vos=0 En=0 Enk=0 In=0 Ink=0 Rin=500Meg ;pnba In+)In-)V+)V-)OUT
R43 N039 N041 2k
M3 V+ NC_02 N011 N011 PMOS
R8 N023 N027 2k
R17 N002 N003 1k
XU16 N045 N004 V+ V- N046 level.3b Avol=1Meg GBW=10Meg Slew=10Meg Ilimit=25m Rail=0 Vos=0 En=0 Enk=0 In=0 Ink=0 Rin=500Meg ;pnba In+)In-)V+)V-)OUT
XU6 N017 N004 V+ V- N018 level.3b Avol=1Meg GBW=10Meg Slew=10Meg Ilimit=25m Rail=0 Vos=0 En=0 Enk=0 In=0 Ink=0 Rin=500Meg ;pnba In+)In-)V+)V-)OUT
R48 N035 N036 1k
V3 N004 0 SINE(2.5 2.5 440)
R44 N040 N041 1k
R9 N015 N016 1k
R41 N041 N044 2k
R51 N029 N030 1k
R18 V+ N001 1k
XU12 N034 N004 V+ V- N035 level.3b Avol=1Meg GBW=10Meg Slew=10Meg Ilimit=25m Rail=0 Vos=0 En=0 Enk=0 In=0 Ink=0 Rin=500Meg ;pnba In+)In-)V+)V-)OUT
R29 N028 N031 1k
.model NMOS NMOS
.model PMOS PMOS
.lib C:\users\khalils\AppData\Local\LTspice\lib\cmp\standard.mos
* Library below included based on ModelFile attribute of instance XU10, XU2, XU16, XU6, XU12 (C:\users\khalils\AppData\Local\LTspice\lib\sym\OpAmps\UniversalOpAmp2.asy)
.lib UniversalOpAmp2.lib
.backanno
.end

* LTspice schematic (.asc):
Version 4
SHEET 1 1524 2760
WIRE -1248 16 -1296 16
WIRE -1248 128 -1248 96
WIRE -1088 128 -1248 128
WIRE -768 144 -1024 144
WIRE -656 144 -656 112
WIRE -656 144 -688 144
WIRE -1248 160 -1248 128
WIRE -1152 160 -1152 -224
WIRE -1088 160 -1152 160
WIRE -656 192 -656 144
WIRE -1248 288 -1248 240
WIRE -1088 288 -1248 288
WIRE -768 304 -1024 304
WIRE -656 304 -656 272
WIRE -656 304 -688 304
WIRE -1248 320 -1248 288
WIRE -1152 320 -1152 160
WIRE -1088 320 -1152 320
WIRE 352 320 256 320
WIRE -656 336 -656 304
WIRE -1248 432 -1248 400
WIRE -1088 432 -1248 432
WIRE -768 448 -1024 448
WIRE -1248 464 -1248 432
WIRE -1152 464 -1152 320
WIRE -1088 464 -1152 464
WIRE 352 464 256 464
WIRE -768 608 -1024 608
WIRE -656 608 -656 576
WIRE -656 608 -688 608
WIRE -1152 624 -1152 464
WIRE -656 656 -656 608
WIRE -1248 736 -1248 704
WIRE -1088 736 -1248 736
WIRE -768 752 -1024 752
WIRE -656 752 -656 736
WIRE -656 752 -688 752
WIRE -1248 768 -1248 736
WIRE -1152 768 -1152 624
WIRE -1088 768 -1152 768
WIRE -656 800 -656 752
WIRE -1248 896 -1248 848
WIRE -1088 896 -1248 896
WIRE -768 912 -1024 912
WIRE -656 912 -656 880
WIRE -656 912 -688 912
WIRE -1248 928 -1248 896
WIRE -1152 928 -1152 768
WIRE -1088 928 -1152 928
WIRE 352 928 256 928
WIRE -656 944 -656 912
WIRE -1248 1040 -1248 1008
WIRE -1088 1040 -1248 1040
WIRE -768 1056 -1024 1056
WIRE -656 1056 -656 1024
WIRE -656 1056 -688 1056
WIRE -1248 1072 -1248 1040
WIRE -1152 1072 -1152 928
WIRE -1088 1072 -1152 1072
WIRE 352 1072 256 1072
WIRE -656 1088 -656 1056
WIRE -1248 1200 -1248 1152
WIRE -1088 1200 -1248 1200
WIRE -768 1216 -1024 1216
WIRE -656 1216 -656 1168
WIRE -656 1216 -688 1216
WIRE -1248 1232 -1248 1200
WIRE -1152 1232 -1152 1072
WIRE -1088 1232 -1152 1232
WIRE -656 1248 -656 1216
WIRE -1248 1344 -1248 1312
WIRE -1088 1344 -1248 1344
WIRE -768 1360 -1024 1360
WIRE -656 1360 -656 1328
WIRE -656 1360 -688 1360
WIRE -576 1360 -656 1360
WIRE -1248 1376 -1248 1344
WIRE -1152 1376 -1152 1232
WIRE -1088 1376 -1152 1376
WIRE -656 1408 -656 1360
WIRE -1248 1504 -1248 1456
WIRE -1088 1504 -1248 1504
WIRE -768 1520 -1024 1520
WIRE -656 1520 -656 1488
WIRE -656 1520 -688 1520
WIRE -1248 1536 -1248 1504
WIRE -1152 1536 -1152 1376
WIRE -1088 1536 -1152 1536
WIRE -656 1552 -656 1520
WIRE -1248 1648 -1248 1616
WIRE -1088 1648 -1248 1648
WIRE -768 1664 -1024 1664
WIRE -656 1664 -656 1632
WIRE -656 1664 -688 1664
WIRE -1248 1680 -1248 1648
WIRE -1152 1680 -1152 1536
WIRE -1088 1680 -1152 1680
WIRE -656 1712 -656 1664
WIRE -1248 1808 -1248 1760
WIRE -1088 1808 -1248 1808
WIRE -768 1824 -1024 1824
WIRE -656 1824 -656 1792
WIRE -656 1824 -688 1824
WIRE -1248 1840 -1248 1808
WIRE -1152 1840 -1152 1680
WIRE -1088 1840 -1152 1840
WIRE -656 1872 -656 1824
WIRE -768 1968 -1024 1968
WIRE -656 1968 -656 1952
WIRE -656 1968 -688 1968
WIRE -1152 1984 -1152 1840
WIRE -656 2016 -656 1968
WIRE -1248 2112 -1248 2064
WIRE -1088 2112 -1248 2112
WIRE -768 2128 -1024 2128
WIRE -656 2128 -656 2096
WIRE -656 2128 -688 2128
WIRE -1248 2144 -1248 2112
WIRE -1152 2144 -1152 1984
WIRE -1088 2144 -1152 2144
WIRE -656 2160 -656 2128
WIRE -1248 2256 -1248 2224
WIRE -1088 2256 -1248 2256
WIRE -768 2272 -1024 2272
WIRE -656 2272 -656 2240
WIRE -656 2272 -688 2272
WIRE -1248 2288 -1248 2256
WIRE -1152 2288 -1152 2144
WIRE -1088 2288 -1152 2288
WIRE -656 2304 -656 2272
WIRE -1248 2416 -1248 2368
WIRE -1088 2416 -1248 2416
WIRE -768 2432 -1024 2432
WIRE -1248 2448 -1248 2416
WIRE -1152 2448 -1152 2288
WIRE -1088 2448 -1152 2448
SYMBOL res -672 176 R0
SYMATTR InstName R14
SYMATTR Value 2k
SYMBOL res -1264 2432 R0
SYMATTR InstName R36
SYMATTR Value 1k
SYMBOL pmos 208 976 R0
SYMATTR InstName M7
SYMBOL res -1264 1216 R0
SYMATTR InstName R28
SYMATTR Value 1k
SYMBOL res -672 2144 R0
SYMATTR InstName R39
SYMATTR Value 2k
SYMBOL res -784 1840 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R46
SYMATTR Value 1k
SYMBOL OpAmps\\UniversalOpamp2 -1056 1360 M180
SYMATTR InstName U10
SYMATTR SpiceModel level.3b
SYMBOL res -1264 1520 R0
SYMATTR InstName R30
SYMATTR Value 1k
SYMBOL res -672 1696 R0
SYMATTR InstName R45
SYMATTR Value 2k
SYMBOL OpAmps\\UniversalOpamp2 -1056 304 M180
SYMATTR InstName U2
SYMATTR SpiceModel level.3b
SYMBOL res -672 1856 R0
SYMATTR InstName R43
SYMATTR Value 2k
SYMBOL pmos 208 368 R0
SYMATTR InstName M3
SYMBOL res -672 1072 R0
SYMATTR InstName R8
SYMATTR Value 2k
SYMBOL res -784 160 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R17
SYMATTR Value 1k
SYMBOL OpAmps\\UniversalOpamp2 -1056 2272 M180
SYMATTR InstName U16
SYMATTR SpiceModel level.3b
SYMBOL OpAmps\\UniversalOpamp2 -1056 912 M180
SYMATTR InstName U6
SYMATTR SpiceModel level.3b
SYMBOL res -784 1680 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R48
SYMATTR Value 1k
SYMBOL voltage -1136 -224 R90
WINDOW 0 -32 56 VBottom 2
WINDOW 3 32 56 VTop 2
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value SINE(2.5 2.5 440)
SYMBOL res -784 1984 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R44
SYMATTR Value 1k
SYMBOL res -784 768 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R9
SYMATTR Value 1k
SYMBOL res -672 2000 R0
SYMATTR InstName R41
SYMATTR Value 2k
SYMBOL res -784 1376 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R51
SYMATTR Value 1k
SYMBOL res -1264 0 R0
SYMATTR InstName R18
SYMATTR Value 1k
SYMBOL OpAmps\\UniversalOpamp2 -1056 1664 M180
SYMATTR InstName U12
SYMATTR SpiceModel level.3b
SYMBOL res -1264 1360 R0
SYMATTR InstName R29
SYMATTR Value 1k
FLAG -1296 16 V+
FLAG -1056 176 V+
FLAG -1056 112 V-
FLAG -1056 336 V+
FLAG -1056 272 V-
FLAG -1056 480 V+
FLAG -1056 416 V-
FLAG -1056 784 V+
FLAG -1056 720 V-
FLAG -1056 944 V+
FLAG -1056 880 V-
FLAG -1056 1088 V+
FLAG -1056 1024 V-
FLAG -1056 1248 V+
FLAG -1056 1184 V-
FLAG -1232 -224 0
FLAG 256 224 V+
FLAG 256 368 V+
FLAG 256 528 V+
FLAG 256 832 V+
FLAG 256 976 V+
FLAG 256 1136 V+
FLAG -1056 1392 V+
FLAG -1056 1328 V-
FLAG -1056 1552 V+
FLAG -1056 1488 V-
FLAG -1056 1696 V+
FLAG -1056 1632 V-
FLAG -1056 1856 V+
FLAG -1056 1792 V-
FLAG -1056 2160 V+
FLAG -1056 2096 V-
FLAG -1056 2304 V+
FLAG -1056 2240 V-
FLAG -1056 2464 V+
FLAG -1056 2400 V-
FLAG -1248 2528 V-
FLAG -656 32 0