Datasheet LT1678, LT1679 (Analog Devices) - 8

LT1678/LT1679
W U TYPICAL PERFOR A CE CHARACTERISTICS Voltage Noise vs Temperature Current Noise vs Frequency Input Bias Current vs Temperature
6 10 16 VS = ±15V VS = ±15V V 14 S = ±15V Hz) VCM = 0V TA = 25°C VCM = 0V √ 12 5 Hz) 10 √ 10Hz 8 4 VCM = 0V 6 1kHz 1 4 3 2 VCM = 14.5V 0 NOISE VOLTAGE (pA/ INPUT BIAS CURRENT (nA) 2 –2 RMS VOLTAGE NOISE DENSITY (nV/ –4 1 0.1 –6 –50 –25 0 25 50 75 100 125 0.01 0.1 1 10 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) FREQUENCY (kHz) TEMPERATURE (°C) 16789 G04 16789 G05 16789 G06
Input Bias Current Over the Offset Voltage Shift vs Input Bias Current vs Temperature Common Mode Range Common Mode
1400 900 5 500 VS = ±15V VCM = –14V VS = ±15V CURRENT OUT OF DUT 700 T 4 400 A = 25°C 1200 500 3 300 VOS IS REFERRED TO OFFSET VOLTAGE ( 1000 2 VCM = 0V 200 300 VCM = –13.5V VCM = 14.5V 1 100 800 100 INPUT BIAS CURRENT 0 0 –100 600 V –1 –100 CM = 14.1V –300 µV) 400 OFFSET VOLTAGE (mV) –2 –200 INPUT BIAS CURRENT (nA) INPUT BIAS CURRENT (nA) –500 VCM = 14.7V –3 –300 200 CURRENT INTO DUT VS = ±1.5V TO ±15V –700 –4 T –400 A = 25°C VCM = –15.2V 5 TYPICAL PARTS 0 –900 –5 –500 –50 –25 0 25 50 75 100 125 –16 –12 –8 –4 0 4 8 12 16 –1.0 V– 1.0 2.0 –0.8 –0.4 V+ 0.4 TEMPERATURE (°C) COMMON MODE INPUT VOLTAGE (V) V V CM – V– (V) CM – V+ (V) 16789 G07 16789 G08 16789 G09
Distribution of Input Offset VOS vs Temperature of Warm-Up Drift vs Time Voltage Drift (SO-8) Representive Units
10 30 200 V V S = 5V, 0V V S = ±15V S = 5V, 0V T T A = –40°C TO 85°C VCM = 0V V) A = 25°C 111 PARTS (2 LOTS) µ 25 8 100 V) SO PACKAGE µ 20 6 0 15 4 –100 10 PERCENT OF UNITS (%) VOLTAGE OFFSET ( 2 –200 CHANGE IN OFFSET VOLTAGE ( 5 0 0 –300 0 1 2 3 4 –3.0 –2.0 –1.0 0 1.0 2.0 3.0 –55 –35 –15 5 25 45 65 85 105 125 TIME (min) INPUT OFFSET VOLTAGE DRIFT (µV/°C) TEMPERATURE (°C) 16789 G10 16789 G11 16789 G12 sn16789 16789fs 8