Datasheet LT1792 (Analog Devices) - 5
| Manufacturer | Analog Devices |
| Description | Low Noise, Precision, JFET Input Op Amp |
| Pages / Page | 12 / 5 — TYPICAL PERFOR A CE CH. ARA TERISTICS. Voltage Noise. 0.1Hz to 10Hz … |
| File Format / Size | PDF / 183 Kb |
| Document Language | English |
TYPICAL PERFOR A CE CH. ARA TERISTICS. Voltage Noise. 0.1Hz to 10Hz Voltage Noise. Voltage Noise vs Frequency
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LT1792
W U TYPICAL PERFOR A CE CH C ARA TERISTICS Voltage Noise 0.1Hz to 10Hz Voltage Noise Voltage Noise vs Frequency vs Chip Temperature
100 10 V V S = ±15V S = ±15V 9 √Hz) TA = 25°C √Hz) 8 7 µV/DIV) 6 10 5 4 3 VOLTAGE NOISE (1 1/f CORNER 30Hz 2 VOLTAGE NOISE (AT 1kHz) (nV/ 1 RMS VOLTAGE NOISE DENSITY (nV/ 1 0 0 2 4 6 8 10 1 10 100 1k 10k –75 –50 –25 0 25 50 75 100 125 TIME (SEC) FREQUENCY (Hz) TEMPERATURE (°C) 1792 G02 1792 G01 1792 G03
Input Bias and Offset Current Input Bias and Offset Current Common Mode Limit Over the Common Mode Range vs Chip Temperature vs Temperature
400 100 V+ 0 TA = 25°C VS = ±15V V – 0.5 S = ±15V 30 NOT WARMED UP –1.0 V + = 5V TO 20V 300 10 –1.5 3 – 2.0 200 1 IB 4.0 BIAS CURRENT 0.3 IOS COMMON MODE LIMIT 3.5 100 0.1 3.0 REFERRED TO POWER SUPPLY (V) V – = – 5V TO – 20V OFFSET CURRENT 0.03 INPUT BIAS AND OFFSET CURRENT (nA) 2.5 INPUT BIAS AND OFFSET CURRENTS (pA) 0 0.01 V –+ 2.0 –15 –10 –5 0 5 10 15 – 75 – 50 – 25 0 25 50 75 100 125 – 60 –20 20 60 100 140 COMMON-MODE RANGE (V) TEMPERATURE (°C) TEMPERATURE (°C) 1792 G22 1792 G04 1792 G05
Common Mode Rejection Ratio Power Supply Rejection Ratio vs Frequency vs Frequency Voltage Gain vs Frequency
120 120 180 TA = 25°C TA = 25°C V 160 S = ± 15V 100 100 140 120 80 80 +PSRR 100 60 60 80 –PSRR 60 40 40 VOLTAGE GAIN (dB) 40 20 20 20 0 COMMON MODE REJECTION RATIO (dB) POWER SUPPLY REJECTION RATIO (dB) 0 0 – 20 1k 10k 100k 1M 10M 10 100 1k 10k 100k 1M 10M 0.01 1 100 10k 1M 100M FREQUENCY (Hz) FREQUENCY (Hz) FREQUENCY (Hz) 1792 G06 1792 G07 1792 G08 5
W U TYPICAL PERFOR A CE CH C ARA TERISTICS Voltage Noise 0.1Hz to 10Hz Voltage Noise Voltage Noise vs Frequency vs Chip Temperature
100 10 V V S = ±15V S = ±15V 9 √Hz) TA = 25°C √Hz) 8 7 µV/DIV) 6 10 5 4 3 VOLTAGE NOISE (1 1/f CORNER 30Hz 2 VOLTAGE NOISE (AT 1kHz) (nV/ 1 RMS VOLTAGE NOISE DENSITY (nV/ 1 0 0 2 4 6 8 10 1 10 100 1k 10k –75 –50 –25 0 25 50 75 100 125 TIME (SEC) FREQUENCY (Hz) TEMPERATURE (°C) 1792 G02 1792 G01 1792 G03
Input Bias and Offset Current Input Bias and Offset Current Common Mode Limit Over the Common Mode Range vs Chip Temperature vs Temperature
400 100 V+ 0 TA = 25°C VS = ±15V V – 0.5 S = ±15V 30 NOT WARMED UP –1.0 V + = 5V TO 20V 300 10 –1.5 3 – 2.0 200 1 IB 4.0 BIAS CURRENT 0.3 IOS COMMON MODE LIMIT 3.5 100 0.1 3.0 REFERRED TO POWER SUPPLY (V) V – = – 5V TO – 20V OFFSET CURRENT 0.03 INPUT BIAS AND OFFSET CURRENT (nA) 2.5 INPUT BIAS AND OFFSET CURRENTS (pA) 0 0.01 V –+ 2.0 –15 –10 –5 0 5 10 15 – 75 – 50 – 25 0 25 50 75 100 125 – 60 –20 20 60 100 140 COMMON-MODE RANGE (V) TEMPERATURE (°C) TEMPERATURE (°C) 1792 G22 1792 G04 1792 G05
Common Mode Rejection Ratio Power Supply Rejection Ratio vs Frequency vs Frequency Voltage Gain vs Frequency
120 120 180 TA = 25°C TA = 25°C V 160 S = ± 15V 100 100 140 120 80 80 +PSRR 100 60 60 80 –PSRR 60 40 40 VOLTAGE GAIN (dB) 40 20 20 20 0 COMMON MODE REJECTION RATIO (dB) POWER SUPPLY REJECTION RATIO (dB) 0 0 – 20 1k 10k 100k 1M 10M 10 100 1k 10k 100k 1M 10M 0.01 1 100 10k 1M 100M FREQUENCY (Hz) FREQUENCY (Hz) FREQUENCY (Hz) 1792 G06 1792 G07 1792 G08 5
