Datasheet LT1028, LT1128 (Analog Devices) - 6

LT1028/LT1128
TYPICAL PERFORMANCE CHARACTERISTICS Wideband Voltage Noise 10Hz Voltage Noise Distribution Wideband Noise, DC to 20kHz (0.1Hz to Frequency Indicated)
180 10 VS = ±15V VS = ±15V 160 158 TA = 25°C TA = 25°C 148 500 UNITS 140 MEASURED FROM 4 RUNS 120 1 100 80 70 57 NUMBER OF UNITS 60 0.1 40 RMS VOLTAGE NOISE (µV) 28 1028 G02 20 VERTICAL SCALE = 0.5µV/DIV 8 7 4232 2 HORIZONTAL SCALE = 0.5ms/DIV 1 2 3 2 1 1 1 0 0.01 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 100 1k 10k 100k 1M 10M VOLTAGE NOISE DENSITY (nV/√Hz) BANDWIDTH (Hz) 1028 G01 1028 G03
Total Noise vs Matched Source Total Noise vs Unmatched Source Resistance Resistance Current Noise Spectrum
100 100 100 RS RS ) – ) Hz Hz R Hz S + MAXIMUM 10 10 10 1/f CORNER = 800Hz AT 10Hz AT 1kHz AT 1kHz AT 10Hz TYPICAL 1 1 1 2 RS NOISE ONLY 2 RS NOISE ONLY 1/f CORNER = 250Hz TOTAL NOISE DENSITY (nV/√ TOTAL NOISE DENSITY (nV/√ V CURRENT NOISE DENSITY (pA/√ S = ±15V VS = ±15V TA = 25°C TA = 25°C 0.1 0.1 0.1 1 3 10 30 100 300 1k 3k 10k 1 3 10 30 100 300 1k 3k 10k 10 100 1k 10k MATCHED SOURCE RESISTANCE (Ω) UNMATCHED SOURCE RESISTANCE (Ω) FREQUENCY (Hz) 1028 G04 1028 G05 1028 G06
0.1Hz to 10Hz Voltage Noise 0.01Hz to 1Hz Voltage Noise Voltage Noise vs Temperature
2.0 VS = ±15V VS = ±15V V T S = ±15V A = 25°C TA = 25°C ) Hz 1.6 1.2 AT 10Hz 0.8 AT 1kHz 10nV 10nV O.4 RMS VOLTAGE DENSITY (nV/√ 0 0 2 4 6 8 10 0 20 40 60 80 100 –50 –25 0 25 50 75 100 125 TIME (SEC) TIME (SEC) TEMPERATURE (°C) 1028 G07 1028 G08 1028 G09 1028fd 6 For more information www.linear.com/LT1028 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