Datasheet LT1880 (Analog Devices) - 6
| 制造商 | Analog Devices |
| 描述 | SOT-23, Rail-to-Rail Output, Picoamp Input Current Precision Op Amp |
| 页数 / 页 | 12 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS. 0.01 to 1Hz Noise. Gain vs … |
| 文件格式/大小 | PDF / 233 Kb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. 0.01 to 1Hz Noise. Gain vs Frequency. PSRR vs Frequency. CMRR vs Frequency
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LT1880
TYPICAL PERFORMANCE CHARACTERISTICS 0.01 to 1Hz Noise Gain vs Frequency PSRR vs Frequency
140 160 VS = ±15V VS = ±15V 120 140 100 120 80 100 60 –PSRR 80 40 GAIN (dB) +PSRR 60 20 40 NOISE VOLTAGE (0.2μV/DIV) 0 V 20 S = ±15V –20 POWER SUPPLY REJECTION RATIO (dB) TA = 25°C –40 0 0 20 40 60 80 100 0.1 1 10 100 1k 10k 100k 1M 10M 0.1 1 10 100 1k 10k 100k 1M TIME (SEC) FREQUENCY (Hz) FREQUENCY (Hz) 1880 G09b 1880 G10 1880 G11
CMRR vs Frequency Gain and Phase vs Frequency Settling Time vs Output Step
160 70 100 10 VS = ±15V VS = ±15V VS = ±15V 8 140 60 80 AV = –1 50 60 6 120 PHASE SHIFT (DEG) 0.1% 40 0.01% PHASE SHIFT 40 4 100 30 20 2 80 20 0 0 –2 60 10 –20 GAIN VOLTAGE GAIN (dB) 0 –40 OUTPUT STEP (V) –4 40 0.1% 0.01% –10 –60 –6 20 POWER SUPPLY REJECTION RATIO (dB) –20 –80 –8 0 –30 –100 –10 1 10 100 1k 10k 100k 1M 10k 100k 1M 10M 0 5 10 15 20 25 30 35 40 FREQUENCY (Hz) FREQUENCY (Hz) SETTLING TIME (μs) 1880 G12 1880 G13 1880 G14
Slew Rate, Gain-Bandwidth Slew Rate, Gain-Bandwidth Product and Phase Margin Product and Phase Margin Settling Time vs Output Step vs Temperature vs Power Supply
10 0.5 0.5 VS = ±15V VS = ±15V TA = 25°C 8 AV = 1 SLEW RATE 6 0.4 0.4 0.1% 0.01% PHASE MARGIN (DEG) SLEW RATE PHASE MARGIN (DEG) 4 68 64 2 SLEW RATE (V/μs) 0.3 SLEW RATE (V/μs) 0.3 &M 0 64 60 &M –2 1.14 1.12 OUTPUT STEP (V) –4 60 56 0.1% 0.01% –6 1.12 1.11 GBW GBW –8 –10 GAIN BANDWIDTH PRODUCT (MHz) 1.10 GAIN BANDWIDTH PRODUCT (MHz) 1.10 0 5 10 15 20 25 30 35 –50 –25 0 25 50 75 100 0 2.5 5 7.5 10 12.5 15 SETTLING TIME (μs) TEMPERATURE (°C) POWER SUPPLY (±V) 1880 G15 1880 G16 1880 G17 1880fa 6
TYPICAL PERFORMANCE CHARACTERISTICS 0.01 to 1Hz Noise Gain vs Frequency PSRR vs Frequency
140 160 VS = ±15V VS = ±15V 120 140 100 120 80 100 60 –PSRR 80 40 GAIN (dB) +PSRR 60 20 40 NOISE VOLTAGE (0.2μV/DIV) 0 V 20 S = ±15V –20 POWER SUPPLY REJECTION RATIO (dB) TA = 25°C –40 0 0 20 40 60 80 100 0.1 1 10 100 1k 10k 100k 1M 10M 0.1 1 10 100 1k 10k 100k 1M TIME (SEC) FREQUENCY (Hz) FREQUENCY (Hz) 1880 G09b 1880 G10 1880 G11
CMRR vs Frequency Gain and Phase vs Frequency Settling Time vs Output Step
160 70 100 10 VS = ±15V VS = ±15V VS = ±15V 8 140 60 80 AV = –1 50 60 6 120 PHASE SHIFT (DEG) 0.1% 40 0.01% PHASE SHIFT 40 4 100 30 20 2 80 20 0 0 –2 60 10 –20 GAIN VOLTAGE GAIN (dB) 0 –40 OUTPUT STEP (V) –4 40 0.1% 0.01% –10 –60 –6 20 POWER SUPPLY REJECTION RATIO (dB) –20 –80 –8 0 –30 –100 –10 1 10 100 1k 10k 100k 1M 10k 100k 1M 10M 0 5 10 15 20 25 30 35 40 FREQUENCY (Hz) FREQUENCY (Hz) SETTLING TIME (μs) 1880 G12 1880 G13 1880 G14
Slew Rate, Gain-Bandwidth Slew Rate, Gain-Bandwidth Product and Phase Margin Product and Phase Margin Settling Time vs Output Step vs Temperature vs Power Supply
10 0.5 0.5 VS = ±15V VS = ±15V TA = 25°C 8 AV = 1 SLEW RATE 6 0.4 0.4 0.1% 0.01% PHASE MARGIN (DEG) SLEW RATE PHASE MARGIN (DEG) 4 68 64 2 SLEW RATE (V/μs) 0.3 SLEW RATE (V/μs) 0.3 &M 0 64 60 &M –2 1.14 1.12 OUTPUT STEP (V) –4 60 56 0.1% 0.01% –6 1.12 1.11 GBW GBW –8 –10 GAIN BANDWIDTH PRODUCT (MHz) 1.10 GAIN BANDWIDTH PRODUCT (MHz) 1.10 0 5 10 15 20 25 30 35 –50 –25 0 25 50 75 100 0 2.5 5 7.5 10 12.5 15 SETTLING TIME (μs) TEMPERATURE (°C) POWER SUPPLY (±V) 1880 G15 1880 G16 1880 G17 1880fa 6