Datasheet LT1672, LT1673, LT1674 (Analog Devices) - 7

LT1672/LT1673/LT1674
W U TYPICAL PERFORMANCE CHARACTERISTICS Gain Bandwidth and Phase 0.1Hz to 10Hz Margin vs Supply Voltage Output Voltage Noise Capacitive Load Handling
16 80 80 MEASURED AT VS = ±15V VS = ± 2.5V AV = 5 VCM = 0V 70 14 PHASE MARGIN 70 PHASE MARGIN (DEG) 60 µV/DIV) 12 60 50 GBW 40 AV = 5 10 50 30 FREQUENCY (kHz) OVERSHOOT (%) 20 AV = 10 8 40 OUTPUT VOLTAGE (2 10 6 30 0 0 5 10 15 20 25 30 TIME (1s/DIV) 10 100 1k 10k SUPPLY VOLTAGE (V) CAPACITIVE LOAD (pF) 1672/3/4 G10 1672/3/4 G07 1672/3/4 G12
Common Mode Rejection Ratio Power Supply Rejection Ratio vs Frequency vs Frequency Output Impedance vs Frequency
100 100 100 V V S = ± 2.5V VS = ± 2.5V S = ± 2.5V 90 90 80 80 ) Ω AV = 10 70 70 +PSRR 10 60 60 A 50 50 V = 5 40 40 –PSRR 1 30 30 OUTPUT IMPEDANCE (k 20 20 COMMON MODE REJECTIO RATIO (dB) 10 POWER SUPPLY REJECTION RATIO (dB) 10 0 0 0.1 100 1k 10k 20k 10 100 1k 10k 10 100 1k 10k FREQUENCY (Hz) FREQUENCY (Hz) FREQUENCY (Hz) 1672/3/4 G13 1672/3/4 G14 1672/3/4 G15
Open-Loop Gain Open-Loop Gain Warm-Up Drift vs Time VS = 5V, 0V VS =
±
15V
40 20 80 VS = 5V, 0V VS = ±15V 30 15 60 µV) µV) 20 µV) 10 40 VS = ±15V RL = 100k 10 5 R 20 L = 1M 0 R 0 0 L = 1M V RL = 100k S = ±2.5V –10 – 5 –20 –20 –10 – 40 OFFSET VOLTAGE CHANGE ( OFFSET VOLTAGE CHANGE ( OFFSET VOLTAGE CHANGE ( –30 –15 – 60 – 40 – 20 – 80 0 20 40 60 80 100 120 140 160 180 200 0 1 2 3 4 5 6 –20 –15 –10 –5 0 5 10 15 20 TIME AFTER POWER-UP (SEC) OUTPUT VOLTAGE (V) OUTPUT VOLTAGE (V) 1672/3/4 G16 1672/3/4 G17 1672/3/4 G18 7