Datasheet LT1995 (Analog Devices) - 7
| 制造商 | Analog Devices |
| 描述 | 32MHz, 1000V/µs Gain Selectable Amplifier |
| 页数 / 页 | 20 / 7 — TYPICAL PERFOR A CE CHARACTERISTICS (Difference Amplifier Configuration). … |
| 文件格式/大小 | PDF / 370 Kb |
| 文件语言 | 英语 |
TYPICAL PERFOR A CE CHARACTERISTICS (Difference Amplifier Configuration). Settling Time vs Output Step. Gain vs Frequency
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LT1995
W U TYPICAL PERFOR A CE CHARACTERISTICS (Difference Amplifier Configuration) Settling Time vs Output Step Settling Time vs Output Step Gain vs Frequency (Non-Inverting) (Inverting)
20 10 10 V V S = ±15V S = ±15V 18 G = 7 8 T 8 T A = 25°C A = 25°C 16 R R L = 1k L = 1k 14 6 6 G = 4 G = 1 G = –1 12 4 4 10 8 2 10mV 1mV 2 10mV 1mV G = 2 6 0 0 4 GAIN (dB) 2 –2 –2 G = 1 0 OUTPUT STEP (V) 10mV 1mV OUTPUT STEP (V) 10mV 1mV –4 –4 –2 –4 –6 –6 VS = ±15V –6 TA = 25°C –8 –8 –8 RL = 1k –10 –10 –10 10k 100k 1M 10M 100M 0 20 40 60 80 100 120 140 160 180 0 20 40 60 80 100 120 140 160 FREQUENCY (Hz) SETTLING TIME (ns) SETTLING TIME (ns) 1995 G10 1995 G11 1995 G12
Settling Time vs Gain –3dB Bandwidth and Overshoot –3dB Bandwidth and Overshoot (Non-Inverting) vs Supply Voltage vs Temperature
140 40 35 T G = –1 A = 25°C 35 G = –1 120 30 VS = ±15V –3dB BANDWIDTH V 30 S = ±5V 100 OVERSHOOT (%) 25 OVERSHOOT (%) –3dB BANDWIDTH 25 80 20 20 42 60 50 OVERSHOOT OVERSHOOT CL = 15pF SETTLING TIME (ns) C 40 V 3dB BANDWIDTH (MHz) L = 15pF 45 S = ±15V – 41 –3dB BANDWIDTH (MHz) VS = ±15V TA = 25°C 20 ∆VOUT = 10V 40 V R S = ±5V L = 1k 0.1% SETTLING 0 40 35 1 2 3 4 5 6 7 8 0 2 4 6 8 10 12 14 16 18 –50 –25 0 25 50 75 100 125 GAIN (V/V) SUPPLY VOLTAGE (±V) TEMPERATURE (°C) 1995 G13 1995 G14 1995 G15
Frequency Response vs Supply Frequency Response Common Mode Rejection Ratio Voltage (G = 1, G = –1) vs Capacitive Load vs Frequency
10 20 100 T V V A = 25°C S = ±15V S = ±15V 8 R T C = 200pF L = 1k A = 25°C 90 TA = 25°C 15 R G = 1 L = ∞ 6 80 G = –1 10 4 70 C = 100pF ±2.5V ±15V 2 60 5 ±5V C = 50pF 0 50 0 GAIN (dB) –2 40 –4 –5 30 C = 0pF VOLTAGE MAGNITUDE (dB) –6 20 –10 –8 COMMON MODE REJECTION RATIO (dB) 10 –10 –15 0 100k 1M 10M 100M 1 10 100 1k 10k 100k 1M 10M 100M FREQUENCY (MHz) FREQUENCY (Hz) FREQUENCY (Hz) 1995 G16 1995 G17 1995 G18 1995fb 7
W U TYPICAL PERFOR A CE CHARACTERISTICS (Difference Amplifier Configuration) Settling Time vs Output Step Settling Time vs Output Step Gain vs Frequency (Non-Inverting) (Inverting)
20 10 10 V V S = ±15V S = ±15V 18 G = 7 8 T 8 T A = 25°C A = 25°C 16 R R L = 1k L = 1k 14 6 6 G = 4 G = 1 G = –1 12 4 4 10 8 2 10mV 1mV 2 10mV 1mV G = 2 6 0 0 4 GAIN (dB) 2 –2 –2 G = 1 0 OUTPUT STEP (V) 10mV 1mV OUTPUT STEP (V) 10mV 1mV –4 –4 –2 –4 –6 –6 VS = ±15V –6 TA = 25°C –8 –8 –8 RL = 1k –10 –10 –10 10k 100k 1M 10M 100M 0 20 40 60 80 100 120 140 160 180 0 20 40 60 80 100 120 140 160 FREQUENCY (Hz) SETTLING TIME (ns) SETTLING TIME (ns) 1995 G10 1995 G11 1995 G12
Settling Time vs Gain –3dB Bandwidth and Overshoot –3dB Bandwidth and Overshoot (Non-Inverting) vs Supply Voltage vs Temperature
140 40 35 T G = –1 A = 25°C 35 G = –1 120 30 VS = ±15V –3dB BANDWIDTH V 30 S = ±5V 100 OVERSHOOT (%) 25 OVERSHOOT (%) –3dB BANDWIDTH 25 80 20 20 42 60 50 OVERSHOOT OVERSHOOT CL = 15pF SETTLING TIME (ns) C 40 V 3dB BANDWIDTH (MHz) L = 15pF 45 S = ±15V – 41 –3dB BANDWIDTH (MHz) VS = ±15V TA = 25°C 20 ∆VOUT = 10V 40 V R S = ±5V L = 1k 0.1% SETTLING 0 40 35 1 2 3 4 5 6 7 8 0 2 4 6 8 10 12 14 16 18 –50 –25 0 25 50 75 100 125 GAIN (V/V) SUPPLY VOLTAGE (±V) TEMPERATURE (°C) 1995 G13 1995 G14 1995 G15
Frequency Response vs Supply Frequency Response Common Mode Rejection Ratio Voltage (G = 1, G = –1) vs Capacitive Load vs Frequency
10 20 100 T V V A = 25°C S = ±15V S = ±15V 8 R T C = 200pF L = 1k A = 25°C 90 TA = 25°C 15 R G = 1 L = ∞ 6 80 G = –1 10 4 70 C = 100pF ±2.5V ±15V 2 60 5 ±5V C = 50pF 0 50 0 GAIN (dB) –2 40 –4 –5 30 C = 0pF VOLTAGE MAGNITUDE (dB) –6 20 –10 –8 COMMON MODE REJECTION RATIO (dB) 10 –10 –15 0 100k 1M 10M 100M 1 10 100 1k 10k 100k 1M 10M 100M FREQUENCY (MHz) FREQUENCY (Hz) FREQUENCY (Hz) 1995 G16 1995 G17 1995 G18 1995fb 7