Datasheet LT1168 (Analog Devices) - 6

LT1168
W U TYPICAL PERFOR A CE CHARACTERISTICS Distribution of Output Offset Distribution of Input Offset Distribution of Output Offset Voltage Voltage Voltage Drift
60 60 35 VS = ±15V 299 N8 (2 LOTS) VS = ±15V 299 N8 (2 LOTS) VS = ±15V 97 N8 (2 LOTS) 55 T 55 A = 25°C 337 S0-8 (2 LOTS) TA = 25°C 337 S0-8 (2 LOTS) TA = –40°C TO 85°C 49 S0-8 (1 LOT) 30 50 G = 1 636 TOTAL PARTS 50 G = 1000 636 TOTAL PARTS G = 1 146 TOTAL PARTS 45 45 25 40 40 35 35 20 30 30 25 25 15 20 20 10 PERCENT OF UNITS (%) 15 PERCENT OF UNITS (%) 15 PERCENT OF UNITS (%) 10 10 5 5 5 0 0 0 –150 –100 –50 0 50 100 150 –60 –40 –20 0 20 40 60 –1.8 –1.4 –1.0 –0.6 –0.2 0.2 OUTPUT OFFSET VOLTAGE (µV) INPUT OFFSET VOLTAGE (µV) OUTPUT OFFSET VOLTAGE DRIFT (µV/°C) 1168 G01 1168 G02 1168 G03
Distribution of Input Offset Output Offset Voltage Input Offset Voltage Voltage Drift Long-Term Drift Long-Term Drift
35 50 5 VS = ±15V VS = ±15V VS = ±15V T µV) 40 TA = 30°C µV) 4 TA = 30°C 30 A = –40°C TO 85°C G = 1000 G = 1 G = 1000 30 3 97 N8 (2 LOTS) 4 PARTS FROM 4 LOTS 4 PARTS FROM 4 LOTS 25 49 S0-8 (1 LOT) 20 WARMED UP 2 WARMED UP 146 TOTAL PARTS 10 1 20 0 0 15 –10 –1 10 –20 –2 PERCENT OF UNITS (%) –30 –3 5 –40 –4 CHANGE IN OUTPUT OFFSET VOLTAGE ( CHANGE IN INPUT OFFSET VOLTAGE ( 0 –50 –5 –0.45 –0.35 –0.25 –0.15 –0.05 0.05 0 1 2 3 0 1 2 3 INPUT OFFSET VOLTAGE DRIFT (µV/°C) TIME (MONTHS) TIME (MONTHS) 1168 G04 1168 G05 1168 G05
Voltage Noise Density Warm-Up Drift Gain vs Frequency vs Frequency
35 60 1000 V V V S = ±15V G = 1000 S = ±15V S = ±15V T 50 TA = 25°C TA = 25°C 30 A = 25°C G = 1 1/f CORNER = 2Hz √Hz) 40 GAIN = 1 µV) 25 G = 100 100 SO-8 30 20 1/f CORNER = 7Hz 20 GAIN = 10 15 GAIN (dB) G = 10 N-8 10 GAIN = 100, 1000 10 OFFSET VOLTAGE ( 10 0 1/f CORNER = 3Hz BW LIMIT G = 1 5 VOLTAGE NOISE DENSITY (nV/ GAIN = 100 CHANGE IN TOTAL INPUT REFERRED –10 BW LIMIT GAIN = 1000 0 –20 1 0 1 2 3 4 5 0.01 0.1 1 10 100 1000 1 10 100 1k 10k 100k TIME AFTER POWER-ON (MINUTES) FREQUENCY (kHz) FREQUENCY (Hz) 1168 G08 1168 G09 1168 G07 1168fa 6