Datasheet LT1001 (Analog Devices) - 4

LT1001
W U TYPICAL PERFORMANCE CHARACTERISTICS Typical Distribution of Offset Offset Voltage Drift withTemperature Voltage Drift with Temperature of Representative Units Warm-Up Drift
100 50 40 LT1001 265 UNITS VS = ±15V 80 30 µV) V TESTED 4 S = ±15V TA = 25°C µV) 20 LT1001A 60 10 3 METAL CAN (H) PACKAGE 0 LT1001A 40 –10 2 NUMBER OF UNITS –20 OFFSET VOLTAGE ( DUAL-IN-LINE PACKAGE LT1001 20 –30 1 PLASTIC (N) OR CERDIP (J) CHANGE IN OFFSET VOLTAGE ( –40 –50 –1.0 –0.6 –0.2 0 +0.2 +0.6 +1.0 –50 –25 0 25 50 75 100 125 0 1 2 3 4 5 OFFSET VOLTAGE DRIFT (µV/°C) TEMPERATURE (°C) TIME AFTER POWER ON (MINUTES) 1001 G01 1001 G03 1001 G02
Long Term Stability of Four 0.1Hz to 10Hz Noise Noise Spectrum Representative Units
100 10 10 TA = 25°C VS = ±3 TO ±18V µV) 5 30 3 √Hz 1/f CORNER √Hz 4Hz VOLTAGE 10 1.0 0 VOLTAGE NOISE nV/ 1/f CORNER –5 NOISE VOLTAGE 100nV/DIV 3 70Hz 0.3 CURRENT NOISE pA/ OFFSET VOLTAGE CHANGE ( CURRENT 1 0.1 –10 0 2 4 6 8 10 1 10 100 1000 0 1 2 3 4 5 TIME (SECONDS) FREQUENCY (Hz) TIME (MONTHS) 1001 G04 1001 G05 1001 G06
Input Bias and Offset Current Input Bias Current Input Bias Current vs vs Temperature Over the Common Mode Range Differential Input Voltage
1.4 1.5 30 V – S = ±15V 1.2 TA = 25°C 1.0 I + b V VCM S = ±15V 1.0 0.5 20 DEVICE WITH POSITIVE INPUT CURRENT 0.8 0 VS = ±15V T 0.6 A = 25°C BIAS CURRENT –.5 10 0.4 INPUT BIAS CURRENT (nA) DEVICE WITH NEGATIVE INPUT CURRENT INPUT BIAS CURRENT (mA) –1.0 INVERTING OR NON-INVERTING 0.2 COMMON MODE OFFSET CURRENT I 28V B ≈ 1 nA to VDIFF = 0.7V INPUT BIAS AND OFFSET CURRENTS (nA) INPUT RESISTANCE = = 280GΩ 0.1nA –1.5 0 –50 –25 0 25 50 75 100 125 –15 –10 –5 0 5 10 15 0.1 0.3 1.0 3.0 10 30 TEMPERATURE (°C) COMMON MODE INPUT VOLTAGE ±DIFFERENTIAL INPUT (V) 1001 G09 1001 G07 1001 G08 1001fb 4