Datasheet LT1637 (Analog Devices) - 10
| 制造商 | Analog Devices |
| 描述 | 1.1MHz, 0.4V/µs Over-The-Top Micropower, Rail-To-Rail Input and Output Op Amp |
| 页数 / 页 | 16 / 10 — TYPICAL PERFOR A CE CHARACTERISTICS. Settling Time to 0.1%. Capacitive … |
| 文件格式/大小 | PDF / 366 Kb |
| 文件语言 | 英语 |
TYPICAL PERFOR A CE CHARACTERISTICS. Settling Time to 0.1%. Capacitive Load Handling,. Total Harmonic Distortion + Noise
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LT1637
W U TYPICAL PERFOR A CE CHARACTERISTICS Settling Time to 0.1% Capacitive Load Handling, Total Harmonic Distortion + Noise vs Output Step Overshoot vs Capacitive Load vs Frequency
10 100 10 VS = ±15V 8 V 90 S = ±2.5V VS = 3V, 0V NO OUTPUT COMPENSATION VOUT = 1.8VP-P 6 80 1 VCM = 1.2V AV = 1 AV = –1 AV = 2 R 4 L =10k 70 AV = 1 AV = 5 2 60 0.1 0 50 AV = 10 – 2 40 0.01 OUTPUT STEP (V) OVERSHOOT (%) AV = –1 – 4 THD + NOISE (%) 30 AV = 1 AV = –1 – 6 20 0.001 AV = 1 – 8 10 –10 0 0.0001 0 10 20 30 40 10 100 1000 10000 10 100 1k 10k 100k SETTLING TIME (µs) CAPACITIVE LOAD (pF) FREQUENCY (Hz) 1637 G19 1637 G20 1637 G21
Total Harmonic Distortion + Noise Total Harmonic Distortion + Noise vs Load Resistance vs Output Voltage
1 10 VS = 3V TOTAL RL = 10k AV = 1 VCM = HALF SUPPLY A V V f = 1kHz V = 1 S = ±1.5V IN = 1.8VP-P AT 1kHz VS = 3V, 0V 0.1 V FOR A IN = ±0.9V 1 V = –1, RG = 100k AV = –1 V V A S = ±1.5V S = 3V, 0V V = 1 V V IN = 0.6V TO 2.4V S = ±1.5V 0.01 0.1 AV = 1 VS = 3V, 0V THD + NOISE (%) THD + NOISE (%) 0.001 0.01 VS = 3V, 0V VIN = 0.3V TO 2.1V AV = –1, VS = 3V, 0V 0.0001 0.001 100 1k 10k 100k 0 1 2 3 LOAD RESISTANCE TO GROUND (Ω) OUTPUT VOLTAGE (VP-P) 1637 G23 1637 G22
Open-Loop Gain Large-Signal Response Small-Signal Response
V V V S = ± 15V S = ±15V S = ±15V AV = –1 AV = 1 10V A B A 50mV C B µV/DIV) C (50 – 50mV A: RL = 2k – 10V B: RL = 10k C: RL = 50k CHANGE IN INPUT OFFSET VOLTAGE –10V 0V 10V 1637 G24 1637 G25 1637 G26 OUTPUT VOLTAGE (5V/DIV) 1637fd 10
W U TYPICAL PERFOR A CE CHARACTERISTICS Settling Time to 0.1% Capacitive Load Handling, Total Harmonic Distortion + Noise vs Output Step Overshoot vs Capacitive Load vs Frequency
10 100 10 VS = ±15V 8 V 90 S = ±2.5V VS = 3V, 0V NO OUTPUT COMPENSATION VOUT = 1.8VP-P 6 80 1 VCM = 1.2V AV = 1 AV = –1 AV = 2 R 4 L =10k 70 AV = 1 AV = 5 2 60 0.1 0 50 AV = 10 – 2 40 0.01 OUTPUT STEP (V) OVERSHOOT (%) AV = –1 – 4 THD + NOISE (%) 30 AV = 1 AV = –1 – 6 20 0.001 AV = 1 – 8 10 –10 0 0.0001 0 10 20 30 40 10 100 1000 10000 10 100 1k 10k 100k SETTLING TIME (µs) CAPACITIVE LOAD (pF) FREQUENCY (Hz) 1637 G19 1637 G20 1637 G21
Total Harmonic Distortion + Noise Total Harmonic Distortion + Noise vs Load Resistance vs Output Voltage
1 10 VS = 3V TOTAL RL = 10k AV = 1 VCM = HALF SUPPLY A V V f = 1kHz V = 1 S = ±1.5V IN = 1.8VP-P AT 1kHz VS = 3V, 0V 0.1 V FOR A IN = ±0.9V 1 V = –1, RG = 100k AV = –1 V V A S = ±1.5V S = 3V, 0V V = 1 V V IN = 0.6V TO 2.4V S = ±1.5V 0.01 0.1 AV = 1 VS = 3V, 0V THD + NOISE (%) THD + NOISE (%) 0.001 0.01 VS = 3V, 0V VIN = 0.3V TO 2.1V AV = –1, VS = 3V, 0V 0.0001 0.001 100 1k 10k 100k 0 1 2 3 LOAD RESISTANCE TO GROUND (Ω) OUTPUT VOLTAGE (VP-P) 1637 G23 1637 G22
Open-Loop Gain Large-Signal Response Small-Signal Response
V V V S = ± 15V S = ±15V S = ±15V AV = –1 AV = 1 10V A B A 50mV C B µV/DIV) C (50 – 50mV A: RL = 2k – 10V B: RL = 10k C: RL = 50k CHANGE IN INPUT OFFSET VOLTAGE –10V 0V 10V 1637 G24 1637 G25 1637 G26 OUTPUT VOLTAGE (5V/DIV) 1637fd 10