Version 4 SHEET 1 2620 1020 WIRE 224 -880 -640 -880 WIRE 368 -880 224 -880 WIRE 384 -880 368 -880 WIRE 496 -880 464 -880 WIRE 592 -880 496 -880 WIRE 1120 -880 592 -880 WIRE -640 -864 -640 -880 WIRE 1120 -864 1120 -880 WIRE -112 -816 -368 -816 WIRE -16 -816 -112 -816 WIRE 80 -816 -16 -816 WIRE 112 -816 80 -816 WIRE 208 -816 192 -816 WIRE 288 -816 208 -816 WIRE 816 -816 288 -816 WIRE -368 -800 -368 -816 WIRE 816 -800 816 -816 WIRE -640 -768 -640 -784 WIRE 1120 -768 1120 -784 WIRE 80 -720 80 -816 WIRE 208 -720 208 -816 WIRE 368 -720 368 -880 WIRE 496 -720 496 -880 WIRE -368 -704 -368 -720 WIRE 816 -704 816 -720 WIRE 672 -640 640 -640 WIRE 672 -592 640 -592 WIRE -112 -576 -112 -816 WIRE -64 -576 -112 -576 WIRE 672 -544 640 -544 WIRE -64 -480 -256 -480 WIRE 672 -480 640 -480 WIRE -256 -464 -256 -480 WIRE 672 -432 640 -432 WIRE -256 -384 -256 -400 WIRE 672 -384 640 -384 WIRE 672 -320 640 -320 WIRE -560 -304 -608 -304 WIRE -176 -304 -480 -304 WIRE -64 -304 -176 -304 WIRE 672 -272 640 -272 WIRE 672 -224 640 -224 WIRE -384 -208 -432 -208 WIRE -176 -208 -304 -208 WIRE -64 -208 -176 -208 WIRE 672 -160 640 -160 WIRE -560 -112 -608 -112 WIRE -176 -112 -480 -112 WIRE -64 -112 -176 -112 WIRE 672 -112 640 -112 WIRE 672 -64 640 -64 WIRE -384 -16 -432 -16 WIRE -176 -16 -304 -16 WIRE -64 -16 -176 -16 WIRE 672 0 640 0 WIRE 672 48 640 48 WIRE 672 96 640 96 WIRE -384 160 -432 160 WIRE -64 160 -304 160 WIRE 672 160 640 160 WIRE 672 208 640 208 WIRE 672 256 640 256 WIRE -64 320 -112 320 WIRE 64 496 64 464 WIRE 96 496 96 464 WIRE 128 496 128 464 WIRE 192 496 192 464 WIRE 224 496 224 464 WIRE 256 496 256 464 WIRE 320 496 320 464 WIRE 352 496 352 464 WIRE 384 496 384 464 WIRE 448 496 448 464 WIRE 480 496 480 464 WIRE 512 496 512 464 FLAG -368 -704 0 FLAG -640 -768 0 FLAG 816 -704 0 FLAG 1120 -768 0 FLAG -112 320 0 FLAG -16 -816 SP1 FLAG 288 -816 SN1 FLAG 224 -880 SP2 FLAG 592 -880 SN2 FLAG -176 -304 GPIO1 FLAG -176 -208 GPIO2 FLAG -176 -112 GPIO3 FLAG -176 -16 GPIO4 FLAG 672 160 S2 FLAG 672 0 S1 FLAG 672 -160 D2 FLAG 672 -320 D1 FLAG 672 -480 P2 FLAG 672 -640 P1 FLAG 64 496 G1 FLAG 192 496 G2 FLAG 320 496 G3 FLAG 448 496 G4 FLAG 96 496 G1max FLAG 128 496 G1min FLAG 224 496 G2max FLAG 352 496 G3max FLAG 480 496 G4max FLAG 256 496 G2min FLAG 384 496 G3min FLAG 512 496 G4min FLAG 672 -592 P1max FLAG 672 -544 P1min FLAG 672 -432 P2max FLAG 672 -272 D1max FLAG 672 -384 P2min FLAG 672 -224 D1min FLAG 672 -112 D2max FLAG 672 -64 D2min FLAG 672 48 S1max FLAG 672 96 S1min FLAG 672 208 S2max FLAG 672 256 S2min FLAG -256 -384 0 FLAG -608 -304 0 FLAG -432 -208 0 FLAG -608 -112 0 FLAG -432 -16 0 FLAG -432 160 0 SYMBOL voltage -368 -816 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V1 SYMATTR Value PWL(0 10 4 100) SYMBOL res 208 -832 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R1 SYMATTR Value 2m SYMBOL res 480 -896 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R2 SYMATTR Value 2m SYMBOL voltage -640 -880 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V2 SYMATTR Value PWL(0 0 2 100) SYMBOL current 1120 -864 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName I2 SYMATTR Value PWL(0 0 1 25) SYMBOL current 816 -800 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName I1 SYMATTR Value PWL(0 0 1 10) SYMBOL cap -272 -464 R0 SYMATTR InstName C2 SYMATTR Value 1µ SYMBOL voltage -464 -304 R90 WINDOW 0 -32 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName V9 SYMATTR Value PWL(0 0 10u 0 2 1) SYMBOL voltage -288 -208 R90 WINDOW 0 -32 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName V4 SYMATTR Value PWL(0 0 10u 0 2 2) SYMBOL voltage -464 -112 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 V5 SYMATTR Value PWL(0 0 10u 0 2 1.5) SYMBOL voltage -288 -16 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 V6 SYMATTR Value PWL(0 0 10u 0 2 1.2) SYMBOL voltage -288 160 R90 WINDOW 0 -32 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName V7 SYMATTR Value PWL(0 1 1m 0 70m 0 71m 0) SYMBOL LTC2992 288 -128 R0 SYMATTR InstName U1 TEXT 816 -616 Left 2 ;Control Bits\n \nNADC7 Resolution/ Conversion Rate\n \nNADC7 = 0 12-BIT \nNADC7 = 1 8-BIT\n \nCA7 Offset Calibration\n \nCA7 = 1 Calibrate on Demand\nCA7 = 0 Every Conversion\n \nCA[6:5] Measurement Mode\n \nCA6 CA5\n \n1 1 Shutdown\n1 0 Single Cycle Mode\n0 1 Snapshot Mode\n0 0 Continuous Mode\n \nCA[4:3] Voltage Selection for Continous Mode\n \nCA4 CA3 VADC P1 P2\n \n1 1 GPIO1, GPIO2 GPIO1*DSense1 GPIO2*DSense2\n GPIO3, GPIO4\n1 0 GPIO1, GPIO2 GPIO1*DSense1 GPIO2*DSense2\n \n0 1 Sense1+, Sense2+ Sense1+*Dsense1 Sense2+*Dsense2\n \n0 0 Sense1+, Sense2+ Sense1+*Dsense1 Sense2+*Dsense2\n GPIO1, GPIO2,\n GPIO3, GPIO4\n \nCA[2:0] Voltage Selection for Snapshot Mode\n \nCA2 CA1 CA0 VADC P1 P2\n \n1 1 1 GPIO1,GPIO2 GPIO1*Dsense1 GPIO2*Dsense2\n1 1 0 Sense1+, Sense2+ Sense1+*Dsense1 Sense2+*Dsense2\n1 0 1 GPIO4\n1 0 0 GPIO3\n0 1 1 GPIO2\n0 1 0 GPIO1\n0 0 1 SENSE2+\n0 0 0 SENSE1+ TEXT 1344 648 Left 2 !.tran 2 TEXT -336 -1080 Left 4 ;>SD pin is shutdown digital input. Not actual pin of part.\nAll other pins with < or > are digital outputs, not actual pins.