Datasheet LTC1250 (Analog Devices) - 12

LTC1250
O U TYPICAL APPLICATI S Reference Buffer Differential Thermocouple Amplifier
15V R3 C1 1M 7.5k 100pF 0.1% 3 7 R1 + 5V 10k 3 1 6 0.1% LTC1250 2 7 – 2 LM399 – 6 VOUT 4 LTC1250 100mV/°C 3 + R6 4 2 – + 4 R2 7.5k 10k 1% TYPE K† –5V 0.1% R4 R7 V C2 CM ±10ppm ERROR AT ±15mA 1M 500Ω 100pF 1µVP-P OUTPUT NOISE 0.1% FULL-SCALE TRIM 2.5µV/°C DRIFT (DUE TO LM399) 1250 TA03 5V R8 R5 5k 3k 1% VIN 10mV/°C VOUT LT1025 R9 † FOR BEST ACCURACY, THERMOCOUPLE 33k RESISTANCE SHOULD BE LESS THAN 100Ω GND –5V 1250 TA04
RELATED PARTS PART NUMBER DESCRIPTION COMMENTS
LTC1050/LTC1051/ Single/Dual/Quad Precision Zero-Drift Op Amp VOS Max = 5µV, VSUPPLY Max = 16.5V LTC1053 LTC1150/LTC1151 Single/Dual ±15V Zero-Drift Op Amp High Voltage Operation LTC2050/LTC2051/ Single/Dual/Quad Zero-Drift Op Amp Single Supply 2.7V to =/–5V, SOT-23/MS8/GN16 Package LTC2052 LTC2053 Zero-Drift Instrumentation Amp Rail-Rail, MS8, 116dB, Two Resistors Set Gain LTC2054/LTC2055 Single/Dual Zero-Drift Op Amp 150µA per Amplifier (Max), SOT-23/MS8 Package LTC6800 Rail-to-Rail Input/Output Instrumentation Amp Low Cost, Single Supply, MS8, Two Resistors Set Gain 1250fb LT/GP 0205 1K REV B • PRINTED IN USA 12 Linear Technology Corporation 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com © LINEAR TECHNOLOGY CORPORATION 1994