Datasheet LT1028, LT1128 (Analog Devices) - 7

LT1028/LT1128
TYPICAL PERFORMANCE CHARACTERISTICS Distribution of Input Offset Offset Voltage Drift with Temperature Long-Term Stability of Five Voltage of Representative Units Representative Units
20 50 10 VS = ±15V V VS = ±15V 18 S = ±15V TA = 25°C 40 8 TA = 25°C 16 800 UNITS TESTED t = 0 AFTER 1 DAY PRE-WARM UP FROM FOUR RUNS 30 6 14 20 4 12 10 2 10 0 0 UNITS (%) 8 –10 –2 6 OFFSET VOLTAGE (µV) –20 –4 4 –30 OFFSET VOLTAGE CHANGE (µV) –6 2 –40 –8 0 –50 –10 –50 –40 –30 –20 –10 0 10 20 30 40 50 –50 –25 0 25 50 75 100 125 0 1 2 3 4 5 OFFSET VOLTAGE (µV) TEMPERATURE (°C) TIME (MONTHS) 1028 G10 1028 G11 1028 G12
Input Bias and Offset Currents Bias Current Over the Common Warm-Up Drift Over Temperature Mode Range
24 60 100 VS = ±15V VS = ±15V T R ª 300MΩ VS = ±15V A = 25°C VCM = 0V 80 CM = 20V 65nA T 20 50 A = 25°C 60 POSITIVE INPUT CURRENT (UNDERCANCELLED) DEVICE 16 40 40 METAL CAN (H) PACKAGE 20 12 30 BIAS CURRENT 0 8 20 –20 DUAL-IN-LINE PACKAGE INPUT BIAS CURRENT (nA) –40 CHANGE IN OFFSET VOLTAGE (µV) 4 10 NEGATIVE INPUT CURRENT PLASTIC (N) OR CERDIP (J) OFFSET CURRENT INPUT BIAS AND OFFSET CURRENTS (nA) –60 (OVERCANCELLED) DEVICE 0 0 –80 0 1 2 3 4 5 –50 –25 0 25 50 75 100 125 –15 –10 –5 0 5 10 15 TIME AFTER POWER ON (MINUTES) TEMPERATURE (°C) COMMON MODE INPUT VOLTAGE (V) 1028 G13 1028 G14 1028 G15
Output Short-Circuit Current Voltage Noise vs Supply Voltage Supply Current vs Temperature vs Time
1.5 10 50 T V ) A = 25°C S = ±15V 9 40 –50°C Hz 25°C 8 VS = ±15V 30 1.25 125°C 7 20 SOURCING 6 VS = ±5V 10 AT 10Hz 1.0 5 0 AT 1kHz 4 –10 125°C 3 –20 0.75 SUPPLY CURRENT (mA) 25°C 2 SHORT-CIRCUIT CURRENT (mA) SINKING –30 1 –40 RMS VOLTAGE NOISE DENSITY (nV/√ –50°C 0.5 0 –50 0 ±5 ±10 ±15 ±20 –50 –25 0 25 50 75 100 125 0 1 2 3 SUPPLY VOLTAGE (V) TEMPERATURE (°C) TIME FROM OUTPUT SHORT TO GROUND (MINUTES) 1028 G16 1028 G17 1028 G18 1028fd For more information www.linear.com/LT1028 7 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Applications Information - Noise Applications Information Typical Applications Schematic Diagram Package Description Revision History Typical Application Related Parts