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AD7293 bảng dữ liệu(PDF) 18 Page - Analog Devices |
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AD7293 bảng dữ liệu(HTML) 18 Page - Analog Devices |
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18 / 78 page ![]() AD7293 Data Sheet Rev. B | Page 18 of 78 Figure 20. BI-VOUT0 Output Voltage (Zero Scale) vs. Load Current Figure 21. BI-VOUT0 Output Voltage vs. Load Current Figure 22. DAC Gain Error vs. Temperature Figure 23. DAC Offset Error vs. Temperature Figure 24. Bipolar DAC Response to AVDD Failure Figure 25. DAC Glitch Energy vs. Code –4.65 –5.05 –5.00 –4.95 –4.90 –4.85 –4.80 –4.75 –4.70 –16 –14 –12 –10 –8 –6 –4 –2 0 LOAD CURRENT (mA) –5V TO 0V, CODE 246 (ZERO SCALE + 300mV) –5V TO 0V, CODE 0 (ZERO SCALE) 6 –6 –4 –2 0 2 4 –80 –60 –40 –20 0 20 40 60 80 LOAD CURRENT (mA) BI-VOUT0 0/4 SCALE BI-VOUT0 1/4 SCALE BI-VOUT0 2/4 SCALE BI-VOUT0 3/4 SCALE BI-VOUT0 4/4 SCALE 500 –500 –400 –300 –200 –100 0 100 200 300 400 –40 120 100 80 60 40 20 0 –20 TEMPERATURE (°C) UNIPOLAR GAIN ERROR, +2.5V TO +7.5V UNIPOLAR GAIN ERROR, +5V TO +10V UNIPOLAR GAIN ERROR, 0V TO +5V BIPOLAR GAIN ERROR, 0V TO +5V BIPOLAR GAIN ERROR, –4V TO +1V BIPOLAR GAIN ERROR, –5V TO 0V 16 –4 –2 0 2 4 6 8 10 12 14 –40 120 100 80 60 40 20 0 –20 TEMPERATURE (°C) UNIPOLAR OFFSET ERROR 0V TO +5V UNIPOLAR OFFSET ERROR +2.5V TO +7.5V UNIPOLAR OFFSET ERROR +5V TO +10V BIPOLAR OFFSET ERROR 0V TO +5V BIPOLAR OFFSET ERROR –4V TO +1V BIPOLAR OFFSET ERROR –5V TO 0V 12 11 10 9 8 7 6 5 4 3 2 1 0 –1 –4.45 –5.10 –5.05 –5.00 –4.95 –4.90 –4.85 –4.80 –4.75 –4.70 –4.65 –4.60 –4.55 –4.50 0 5 10 15 20 25 30 35 40 TIME (ms) AVDD PA_ON AVSS DAC BIPOLAR OUTPUT 10 5 0 –5 –10 –15 –20 0 500 1000 1500 2000 2500 3000 3500 4000 CODE UNIPOLAR, 0V TO 5V, HIGH TO LOW UNIPOLAR, 5V TO 10V, LOW TO HIGH UNIPOLAR, 0V TO 5V, LOW TO HIGH BIPOLAR, 0V TO 5V, HIGH TO LOW UNIPOLAR, 5V TO 10V, HIGH TO LOW BIPOLAR, 0V TO 5V, LOW TO HIGH |
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