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OP191GBC bảng dữ liệu(PDF) 6 Page - Analog Devices |
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OP191GBC bảng dữ liệu(HTML) 6 Page - Analog Devices |
6 / 20 page Figure 3. OP291 Input Offset Volt- age Drift Distribution, VS = +3 V TEMPERATURE – °C 0 –0.2 –0.4 –0.6 –0.8 –1.0 –1.2 –1.4 –1.6 –1.8 125 25 –40 85 VCM = 0.1V VCM = 2.9V VCM = 3V VCM = 0V VS = +3V Figure 6. Input Offset Current vs. Temperature, V S = +3 V 160 100 60 1k 10k 100k 1M 10M 80 100 120 140 –20 0 20 40 VS = +3V TA = +25°C 90 45 0 270 225 180 135 FREQUENCY – Hz –40 Figure 9. Open-Loop Gain & Phase vs. Frequency, VS = +3 V OP191/OP291/OP491–Typical Performance Characteristics REV. 0 –6– Figure 2. OP291 Input Offset Voltage Distribution, VS = +3 V TEMPERATURE – °C 40 30 20 10 0 –10 –20 –30 –40 –50 –60 125 25 –40 85 VCM = 0V VCM = 0.1V VCM = 2.9V VCM = 3V VS = +3V Figure 5. Input Bias Current vs. Temperature, VS = +3 V VS = +3V TEMPERATURE – °C 3.00 2.75 125 2.90 2.80 25 2.85 –40 2.95 85 +VO @ RL = 100k +VO @ RL = 2k Figure 8. Output Voltage Swing vs. Temperature, VS = +3 V 180 0 0.22 40 20 –0.18 60 80 100 120 140 160 0.14 0.06 –0.02 –0.10 INPUT OFFSET VOLTAGE – mV VS = +3V TA = +25°C BASED ON 1200 OP AMPS INPUT OFFSET VOLTAGE – µV/ °C 120 0 7 60 20 1 40 0 100 80 6 4 3 25 VS = +3V –40 °C < T A < +125°C BASED ON 600 OP AMPS 125 25 –40 VCM = 0V 85 TEMPERATURE – °C 0 –0.02 –0.04 –0.06 –0.08 –0.1 –0.12 –0.14 VCM = 2.9V VS = +3V VCM = 0.1V VCM = 3V Figure 4. Input Offset Voltage vs. Temperature, VS = +3 V 36 –36 3.0 –18 –30 0.30 –24 0 0 –12 –6 6 12 18 30 24 2.7 2.4 2.1 1.8 1.5 1.2 0.90 0.60 INPUT COMMON MODE VOLTAGE – Volts VS = +3V Figure 7. Input Bias Current vs. Common-Mode Voltage, VS = +3 V 1200 1000 800 600 400 200 0 125 25 –40 85 TEMPERATURE – °C VS = 3V, VO = 0.3V / 2.7V RL = 100kΩ, VCM = 2.9V RL = 100kΩ, VCM = 0.1V Figure 10. Open-Loop Gain vs. Temperature, VS = +3 V |
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