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AD8226ARMZ-R7 数据表(PDF) 14 Page - Analog Devices |
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AD8226ARMZ-R7 数据表(HTML) 14 Page - Analog Devices |
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14 / 29 page ![]() Data Sheet AD8226 Rev. C | Page 13 of 28 160 140 120 100 80 60 40 20 0 0.1 1 10 100 1k 10k 100k FREQUENCY (Hz) GAIN = 1000 GAIN = 100 GAIN = 10 GAIN = 1 BANDWIDTH LIMITED Figure 27. CMRR vs. Frequency, RTI 120 100 80 60 40 20 0 0.1 1 10 100 1k 10k 100k FREQUENCY (Hz) GAIN = 1000 GAIN = 1 GAIN = 100 GAIN = 10 BANDWIDTH LIMITED Figure 28. CMRR vs. Frequency, RTI, 1 kΩ Source Imbalance 3.0 2.5 2.0 1.5 1.0 0.5 0 –0.5 –1.0 –1.5 –2.0 –2.5 –3.0 0 102030405060 70 80 90 100 110 120 WARM-UP TIME (Seconds) Figure 29. Change in Input Offset Voltage vs. Warm-Up Time 35 30 25 20 15 10 150 125 100 75 50 25 0 5 –45 –30 –15 0 15 30 45 60 75 90 105 120 135 TEMPERATURE (°C) VS = ±15V VREF = 0V –IN BIAS CURRENT +IN BIAS CURRENT OFFSET CURRENT Figure 30. Input Bias Current and Input Offset Current vs. Temperature 20 10 0 –10 –20 –30 –40 –50 –60 –70 –60 –40 –20 0 20 40 60 80 100 120 140 TEMPERATURE (°C) NORMALIZED AT 25°C –0.4ppm/°C –0.3ppm/°C –0.6 ppm/°C Figure 31. Gain Error vs. Temperature, G = 1 20 10 0 –10 –20 –30 –40 –50 –30 –10 10 30 50 70 90 110 130 TEMPERATURE (°C) REPRESENTATIVE DATA NORMALIZED AT 25°C 0.2ppm/°C –0.35ppm/°C Figure 32. CMRR vs. Temperature, G = 1 |
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