Datasheet LT1793 (Analog Devices) - 5
| 制造商 | Analog Devices |
| 描述 | Low Noise, Picoampere Bias Current, JFET Input Op Amp |
| 页数 / 页 | 12 / 5 — TYPICAL PERFOR A CE CH. ARA TERISTICS. 1kHz Input Noise Voltage. 0.1Hz to … |
| 文件格式/大小 | PDF / 176 Kb |
| 文件语言 | 英语 |
TYPICAL PERFOR A CE CH. ARA TERISTICS. 1kHz Input Noise Voltage. 0.1Hz to 10Hz Voltage Noise. Distribution
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LT1793
W U TYPICAL PERFOR A CE CH C ARA TERISTICS 1kHz Input Noise Voltage 0.1Hz to 10Hz Voltage Noise Distribution Voltage Noise vs Frequency
50 100 T T A = 25°C A = 25°C V V S = ±15V S = ±15V √Hz) 40 510 OP AMPS TESTED µV/DIV) 30 10 20 1/f CORNER PERCENT OF UNITS (%) 30Hz VOLTAGE NOISE (1 10 RMS VOLTAGE NOISE DENSITY (nV/ 0 1 0 2 4 6 8 10 4.2 4.6 5.0 5.4 5.8 6.2 6.6 7.0 7.4 7.8 8.2 1 10 100 1k 10k TIME (SEC) INPUT VOLTAGE NOISE (nV/√Hz) FREQUENCY (Hz) 1793 G01 1793 G03 1793 G02
Voltage Noise Common Mode Limit Common Mode Rejection Ratio vs Chip Temperature vs Temperature vs Frequency
10 V+ 0 120 V T S = ±15V A = 25°C –0.5 9 VS = ±15V √Hz) V+ = 5V TO 20V 100 –1.0 8 –1.5 80 7 –2.0 6 60 4.0 5 40 3.5 4 COMMON MODE LIMIT (V) V – = – 5V TO – 20V REFERRED TO POWER SUPPLY 3.0 20 VOLTAGE NOISE (AT 1kHz) (nV/ 3 2.5 COMMON MODE REJECTION RATIO (dB) 2 V– +2.0 0 –75 –50 –25 0 25 50 75 100 125 –60 –20 20 60 100 140 1k 10k 100k 1M 10M TEMPERATURE (°C) TEMPERATURE (°C) FREQUENCY (Hz) 1793 G06 1793 G04 1793 G05
Power Supply Rejection Ratio Gain and Phase Shift vs Frequency Voltage Gain vs Frequency vs Frequency
120 180 50 80 T T T A = 25°C A = 25°C A = 25°C 160 V V S = ±15V S = ±15V 100 C 40 C 100 L = 10pF L = 10pF 140 +PSRR PHASE SHIFT (DEG) 120 80 30 120 100 PHASE –PSRR 60 80 20 140 60 40 10 160 VOLTAGE GAIN (dB) 40 VOLTAGE GAIN (dB) GAIN 20 20 0 180 POWER SUPPLY REJECTION RATIO (dB) 0 0 – 20 –10 200 10 100 1k 10k 100k 1M 10M 0.01 1 100 10k 1M 100M 0.1 1 10 100 FREQUENCY (Hz) FREQUENCY (Hz) FREQUENCY (MHz) 1793 G07 1793 G08 1793 G09 5
W U TYPICAL PERFOR A CE CH C ARA TERISTICS 1kHz Input Noise Voltage 0.1Hz to 10Hz Voltage Noise Distribution Voltage Noise vs Frequency
50 100 T T A = 25°C A = 25°C V V S = ±15V S = ±15V √Hz) 40 510 OP AMPS TESTED µV/DIV) 30 10 20 1/f CORNER PERCENT OF UNITS (%) 30Hz VOLTAGE NOISE (1 10 RMS VOLTAGE NOISE DENSITY (nV/ 0 1 0 2 4 6 8 10 4.2 4.6 5.0 5.4 5.8 6.2 6.6 7.0 7.4 7.8 8.2 1 10 100 1k 10k TIME (SEC) INPUT VOLTAGE NOISE (nV/√Hz) FREQUENCY (Hz) 1793 G01 1793 G03 1793 G02
Voltage Noise Common Mode Limit Common Mode Rejection Ratio vs Chip Temperature vs Temperature vs Frequency
10 V+ 0 120 V T S = ±15V A = 25°C –0.5 9 VS = ±15V √Hz) V+ = 5V TO 20V 100 –1.0 8 –1.5 80 7 –2.0 6 60 4.0 5 40 3.5 4 COMMON MODE LIMIT (V) V – = – 5V TO – 20V REFERRED TO POWER SUPPLY 3.0 20 VOLTAGE NOISE (AT 1kHz) (nV/ 3 2.5 COMMON MODE REJECTION RATIO (dB) 2 V– +2.0 0 –75 –50 –25 0 25 50 75 100 125 –60 –20 20 60 100 140 1k 10k 100k 1M 10M TEMPERATURE (°C) TEMPERATURE (°C) FREQUENCY (Hz) 1793 G06 1793 G04 1793 G05
Power Supply Rejection Ratio Gain and Phase Shift vs Frequency Voltage Gain vs Frequency vs Frequency
120 180 50 80 T T T A = 25°C A = 25°C A = 25°C 160 V V S = ±15V S = ±15V 100 C 40 C 100 L = 10pF L = 10pF 140 +PSRR PHASE SHIFT (DEG) 120 80 30 120 100 PHASE –PSRR 60 80 20 140 60 40 10 160 VOLTAGE GAIN (dB) 40 VOLTAGE GAIN (dB) GAIN 20 20 0 180 POWER SUPPLY REJECTION RATIO (dB) 0 0 – 20 –10 200 10 100 1k 10k 100k 1M 10M 0.01 1 100 10k 1M 100M 0.1 1 10 100 FREQUENCY (Hz) FREQUENCY (Hz) FREQUENCY (MHz) 1793 G07 1793 G08 1793 G09 5