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AD5678 Datasheet(PDF) 13 Page - Analog Devices |
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AD5678 Datasheet(HTML) 13 Page - Analog Devices |
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13 / 28 page 
AD5678 Rev. C | Page 13 of 28 TEMPERATURE ( °C) 0 –0.04 –0.02 –0.06 –0.08 –0.10 –0.18 –0.16 –0.14 –0.12 –0.20 –40 –20 40 20 0 100 80 60 VDD = 5V GAIN ERROR FULL-SCALE ERROR Figure 17. Gain Error and Full-Scale Error vs. Temperature TEMPERATURE ( °C) 1.5 1.0 0.5 0 –2.0 –1.5 –1.0 –0.5 –2.5 –40 –20 40 20 080 60 100 OFFSET ERROR ZERO-SCALE ERROR Figure 18. Zero-Scale Error and Offset Error vs. Temperature VDD (V) 1.0 –1.5 –1.0 –0.5 0 0.5 –2.0 2.7 3.2 3.7 4.7 4.2 5.2 GAIN ERROR FULL-SCALE ERROR Figure 19. Gain Error and Full-Scale Error vs. Supply Voltage VDD (V) 1.0 0.5 0 –2.0 –1.5 –1.0 –0.5 –2.5 2.7 3.2 4.2 3.7 5.2 4.7 ZERO-SCALE ERROR OFFSET ERROR TA = 25°C Figure 20. Zero-Scale Error and Offset Error vs. Supply Voltage IDD (mA) 20 0 1.20 1.22 1.24 1.26 1.28 1.30 1.32 1.34 1.36 1.38 1.40 1.42 1.44 2 VDD = 3.6V VDD = 5.5V 4 6 8 10 12 14 16 18 Figure 21. IDD Histogram with External Reference IDD (mA) 14 0 2.02 2 4 6 8 10 12 VDD = 3.6V VDD = 5.5V 2.04 2.06 2.08 2.10 2.12 2.14 2.16 2.18 2.20 2.22 2.24 2.26 2.28 VREFOUT = 1.25V VREFOUT = 2.5V Figure 22. IDD Histogram with Internal Reference |
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