LT1112/LT1114 WUTYPICAL PERFOR A CE CHARACTERISTICSDistribution of Offset VoltageDistribution of Offset VoltageDistribution of OffsetMatch Drift (LT1112J8, LT1112N8,Match Drift (LT1112S8, LT1114N,Voltage MatchLT1114J Packages)LT1114S Packages) 25 30 20 VS = ±15V VS = ±15V VS = ±15V TA = 25°C 342 PAIRS TESTED 364 PAIRS TESTED 25 20 15 20 15 15 10 10 10 PERCENT OF UNITS PERCENT ON UNITS PERCENT OF UNITS 5 5 5 0 0 0 –100 –80 –60 – 40 –20 0 20 40 60 80 100 –0.8 –0.6 –0.4 –0.2 0 0.2 0.4 0.6 0.8 –1.6 –1.2 –0.8 –0.4 0 0.4 0.8 1.2 1.6 ∆V OFFSET VOLTAGE MATCH DRIFT (µV/°C) OFFSET VOLTAGE MATCH DRIFT (µV/°C) OS, OFFSET VOLTAGE MATCH (µV) LT1112/14 • TPC07 LT1112/14 • TPC08 LT1112/14 • TPC09 Noise Spectrum0.1Hz to 10Hz Noise0.01Hz to 1Hz Noise 1000 VS = ±1V TO ±20V VS = ±15V VS = ±15V TA = 25°C TA = 25°C TA = 25°C √Hz) √Hz) 100 µV/DIV) µV/DIV) CURRENT NOISE VOLTAGE NOISE 10 1/fCORNER 2.5Hz NOISE VOLTAGE (0.2 NOISE VOLTAGE (0.2 1/fCORNER VOLTAGE NOISE DENSITY (nV/ CURRENT NOISE DENSITY (fA/ 140Hz 1 1 10 100 1000 0 2 4 6 8 10 0 20 40 60 80 100 FREQUENCY (Hz) TIME (SEC) TIME (SEC) LT1112/14 • TPC10 LT1112/14 • TPC11 LT1112/14 • TPC12 Long Term Stability of ThreeSupply Current per AmplifierWarm-Up DriftRepresentative Unitsvs Supply Voltage 3 6 600 V V S = ±15V S = ±15V T T A = 25°C A = 25°C 2A µA) µV) µV) 4 500 2 2 3A LT1112S8, LT1114N/S PACKAGES 2B 0 400 1A TA = 125°C 1 LT1114J PACKAGE –2 3B TA = 25°C LT1112J8, N8 PACKAGES 1B 300 CHANGE IN OFFSET VOLTAGE ( CHANGE IN OFFSET VOLTAGE ( –4 TA = –55°C SUPPLY CURRENT PER AMPLIFIER ( 0 –6 200 0 0.5 1.0 1.5 2.0 2.5 0 1 2 3 4 5 6 0 ±5 ±10 ±15 ±20 TIME AFTER POWER ON (MINUTES) TIME (MONTHS) SUPPLY VOLTAGE (V) LT1112/14 • TPC13 LT1112/14 • TPC14 LT1112/14 • TPC15 111214fb 7