Version 4 SHEET 1 2116 680 WIRE 832 -848 416 -848 WIRE 704 -784 704 -800 WIRE 416 -768 416 -848 WIRE 512 -768 416 -768 WIRE 416 -752 416 -768 WIRE 576 -736 560 -736 WIRE 832 -720 832 -848 WIRE 832 -720 768 -720 WIRE 560 -704 512 -768 WIRE 576 -704 560 -704 WIRE 832 -704 832 -720 WIRE 1232 -688 1136 -688 WIRE 1328 -688 1232 -688 WIRE 1136 -672 1136 -688 WIRE 1232 -672 1232 -688 WIRE 1328 -672 1328 -688 WIRE 416 -656 416 -672 WIRE 512 -656 560 -736 WIRE 512 -656 416 -656 WIRE 704 -640 704 -656 WIRE 736 -640 736 -656 WIRE 736 -640 704 -640 WIRE 736 -624 736 -640 WIRE 672 -592 672 -656 WIRE 832 -592 832 -640 WIRE 832 -592 672 -592 WIRE 864 -592 832 -592 WIRE 960 -592 944 -592 WIRE 1136 -576 1136 -592 WIRE 1232 -576 1232 -608 WIRE 656 -528 656 -656 WIRE 960 -528 656 -528 WIRE 1008 -528 960 -528 WIRE 1136 -528 1088 -528 WIRE 1328 -528 1328 -592 WIRE 1328 -528 1136 -528 WIRE 656 -512 656 -528 WIRE 1136 -512 1136 -528 WIRE 560 -448 560 -464 WIRE 656 -432 656 -448 WIRE 1136 -432 1136 -448 WIRE 400 -400 288 -400 WIRE 432 -400 400 -400 WIRE 256 -384 288 -400 WIRE 656 -384 624 -384 WIRE 768 -384 656 -384 WIRE 848 -384 768 -384 WIRE 1024 -384 848 -384 WIRE 1424 -384 1104 -384 WIRE 256 -368 256 -384 WIRE 288 -368 256 -384 WIRE 416 -368 416 -656 WIRE 416 -368 288 -368 WIRE 432 -368 416 -368 WIRE 768 -368 768 -384 WIRE 848 -368 848 -384 WIRE 960 -368 960 -528 WIRE 1328 -368 1328 -528 WIRE 656 -352 656 -384 WIRE 400 -304 400 -400 WIRE 512 -304 512 -320 WIRE 512 -304 400 -304 WIRE 560 -304 560 -320 WIRE 592 -304 592 -320 WIRE 592 -304 560 -304 WIRE 400 -288 400 -304 WIRE 592 -288 592 -304 WIRE 256 -272 256 -288 WIRE 848 -272 848 -288 WIRE 960 -272 960 -288 WIRE 960 -272 848 -272 WIRE 1328 -272 1328 -288 WIRE 1328 -272 1280 -272 WIRE 528 -256 528 -320 WIRE 656 -256 656 -272 WIRE 656 -256 528 -256 WIRE 768 -256 768 -304 WIRE 768 -256 656 -256 WIRE 848 -256 848 -272 WIRE 1328 -256 1328 -272 WIRE 656 -240 656 -256 WIRE 400 -208 400 -224 WIRE 848 -160 848 -176 WIRE 1328 -160 1328 -176 WIRE 656 -128 656 -160 WIRE 1280 -128 1280 -272 WIRE 1280 -128 656 -128 FLAG 256 -272 0 FLAG 1136 -576 0 FLAG 1136 -688 +V FLAG 560 -464 +V FLAG 592 -288 0 FLAG 400 -208 0 FLAG 848 -160 0 FLAG 960 -592 0 FLAG 736 -624 0 FLAG 704 -800 +V FLAG 1232 -576 0 FLAG 1424 -384 OUT FLAG 1328 -160 0 FLAG 656 -432 0 FLAG 1136 -432 0 SYMBOL res 240 -384 R0 SYMATTR InstName RTD SYMATTR Value {Rt} SYMBOL LTC2053 544 -384 R0 SYMATTR InstName U1 SYMBOL voltage 1136 -688 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V1 SYMATTR Value 5 SYMBOL res 640 -368 R0 SYMATTR InstName R2 SYMATTR Value 1Meg SYMBOL cap 384 -288 R0 SYMATTR InstName C2 SYMATTR Value .1µ SYMBOL cap 752 -368 R0 SYMATTR InstName C1 SYMATTR Value .1µ SYMBOL res 640 -256 R0 SYMATTR InstName R3 SYMATTR Value 39.2K SYMBOL res 832 -384 R0 SYMATTR InstName R4 SYMATTR Value 16.2K SYMBOL res 832 -272 R0 SYMATTR InstName R5 SYMATTR Value 24.9K SYMBOL res 944 -384 R0 SYMATTR InstName R6 SYMATTR Value 249K SYMBOL LTC2053 688 -720 R0 SYMATTR InstName U2 SYMBOL res 400 -768 R0 SYMATTR InstName R7 SYMATTR Value 1.21K SYMBOL cap 816 -704 R0 SYMATTR InstName C3 SYMATTR Value .1µ SYMBOL res 848 -576 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R8 SYMATTR Value 2.7K SYMBOL res 1312 -688 R0 SYMATTR InstName R9 SYMATTR Value 16.9K SYMBOL res 1312 -272 R0 SYMATTR InstName R10 SYMATTR Value 953 SYMBOL res 1312 -384 R0 SYMATTR InstName R11 SYMATTR Value 11K SYMBOL cap 1216 -672 R0 SYMATTR InstName C4 SYMATTR Value .1µ SYMBOL res 1120 -400 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R12 SYMATTR Value 49.9 SYMBOL res 1104 -544 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R13 SYMATTR Value 10K SYMBOL cap 640 -512 R0 SYMATTR InstName C5 SYMATTR Value .1µ SYMBOL LT1634-1.25 1136 -480 R0 SYMATTR InstName U3 TEXT 1400 -144 Left 2 !.step param Temp list 0 200 400 TEXT 1400 -176 Left 2 !.tran 1 startup TEXT 248 -416 Bottom 2 !.param Rt=100 * \n+(1 + 3.908e-3 * Temp - \n+5.775e-7 * Temp**2) TEXT 880 -856 Bottom 2 ;LTC2053 - Precision, Rail-to-Rail, Zero-Drift, Resistor-Programmable Instrumentation Amplifier\nSingle 5V Supply Linearized 0°C to 400°C Platinum RTD Amplifier\nOutput: 10mV/°C (±0.1°C) TEXT 352 -128 Left 2 ;Note:\n If the simulation model is not found please update with the "Sync Release" command from the "Tools" menu.\n It remains the customer's responsibility to verify proper and reliable operation in the actual application.\n Component substitution and printed circuit board layout may significantly affect circuit performance or reliability.\n Contact your local sales representative for assistance. This circuit is distributed to customers only for use with LTC parts.\n Copyright © 2015 Linear Technology Inc. All rights reserved.