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OP297AZ Datasheet(PDF) 5 Page - Analog Devices |
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OP297AZ Datasheet(HTML) 5 Page - Analog Devices |
5 / 16 page 8/21/97 4:00 PM OP297 –5– REV. D INPUT OFFSET VOLTAGE ( µV) 400 300 200 100 0 –100 –80 –60 –40 –20 0 20 40 60 80 100 1200 UNITS TA = +25°C VS = ±15V VCM = 0V Figure 4. Typical Distribution of Input Offset Voltage TEMPERATURE ( °C) 60 40 20 0 20 –40 –60 –75 –50 –25 0 25 50 75 100 125 VS = ±15V VCM = 0V IB– IB+ IOS Figure 7. Input Bias, Offset Current vs. Temperature SOURCE RESISTANCE ( Ω) 10 100 1k 10k 100k 1M 10M 10000 1000 100 10 BALANCED OR UNBALANCED VS = ±15V VCM = 0V –55 °C ≤ TA ≤ 125°C TA = +25°C Figure 10. Effective Offset Voltage vs. Source Resistance Typical Performance Characteristics– INPUT BIAS CURRENT (pA) –100 –80 –60 –40 –20 0 20 40 60 80 100 250 200 150 100 50 0 1200 UNITS TA = +25°C VS = ±15V VCM = 0V Figure 5. Typical Distribution of Input Bias Current COMMON-MODE VOLTAGE (VOLTS) 60 40 20 0 –20 –40 –60 –15 –10 –5 0 5 10 15 TA = +25°C VS = ±15V IB– IB+ IOS Figure 8. Input Bias, Offset Current vs. Common-Mode Voltage SOURCE RESISTANCE ( Ω) 100 100M 1k 10k 100k 1M 10M 100 10 1 0.1 BALANCED OR UNBALANCED VS = ±15V VCM = 0V Figure 11. Effective TCVOS vs. Source Resistance INPUT OFFSET CURRENT (pA) 400 300 200 100 0 –100 –80 –60 –40 –20 0 20 40 60 80 100 1200 UNITS TA = +25°C VS = ±15V VCM = 0V Figure 6. Typical Distribution of In- put Offset Current TIME AFTER POWER APPLIED (MINUTES) ±3 ±2 ±1 0 012345 TA = +25°C VS = ±15V VCM = 0V Figure 9. Input Offset Voltage Warm- Up Drift TIME FROM OUTPUT SHORT (MINUTES) 01 2 3 4 35 30 25 20 15 10 5 0 –5 –10 –15 –20 –25 –30 –35 TA = –55°C TA = +25°C TA = +125°C VS = ±15V OUTPUT SHORTED TO GROUND TA = +125°C TA = +25°C TA = –55°C Figure 12. Short Circuit Current vs. Time, Temperature |
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