Datasheet LT1168 (Analog Devices) - 7

LT1168
W U TYPICAL PERFOR A CE CHARACTERISTICS 0.1Hz to 10Hz Noise Voltage, 0.1Hz to 10Hz Noise Voltage, Current Noise Density G = 1 RTI G = 1000 vs Frequency
1000 V V S = ±15V VS = ±15V S = ±15V T T A = 25°C TA = 25°C A = 25°C √Hz) RS µV/DIV) µV/DIV) 100 NOISE VOLTAGE (2 NOISE VOLTAGE (0.2 1/f CORNER = 55Hz CURRENT NOISE DENSITY (fA/ 10 0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 10 1 10 100 1000 TIME (SEC) TIME (SEC) FREQUENCY (Hz) 1168 G12 1168 G10 1168 G11
0.1Hz to 10Hz Current Noise Short-Circuit Current vs Time Output Impedance vs Frequency
50 1k V V V S = ±15V S = ±15V S = ± 15V T 40 T A = 25°C TA = –40°C A = 25°C G = 1 TO 1000 30 T ) A = 25°C Ω 100 20 (SOURCE) 10 TA = 85°C 0 10 – 10 TA = 85°C – 20 OUTPUT CURRENT (mA) 1 NOISE CURRENT (5pA/DIV) T OUTPUT IMPEDANCE ( (SINK) – 30 A = 25°C – 40 TA = –40°C – 50 0.1 0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 1k 10k 100k 1M TIME (SEC) TIME FROM OUTPUT SHORT TO GROUND (MINUTES) FREQUENCY (Hz) 1168 G13 1168 G14 1168 G15
Overshoot vs Capacitive Load Input Bias Current Input Offset Current
100 50 50 V V 302 N8 (2 LOTS) V 302 N8 (2 LOTS) S = ±15V S ±15V S = ±15V 90 V 313 SO-8 (2 LOTS) T 313 SO-8 (2 LOTS) OUT = ± 50mV TA = 25°C A = 25°C R 615 TOTAL PARTS 615 TOTAL PARTS 80 L = ∞ 40 40 70 60 30 30 50 G = 1 40 20 20 OVERSHOOT (%) +IB +IB 30 G = 10 OUTPUT VOLTAGE (V) PERCENT OF UNITS (%) 20 10 10 –IB 10 G = 100, 1000 0 0 0 10 100 1000 10000 –200 –120 –40 40 120 200 –120 –80 –40 0 40 80 120 CAPACITIVE LOAD (pF) INPUT BIAS CURRENT (pA) INPUT OFFSET CURRENT (pA) 1168 G16 1168 G17 1168 G18 1168fa 7