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AD7390AR Datasheet(PDF) 6 Page - Analog Devices |
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AD7390AR Datasheet(HTML) 6 Page - Analog Devices |
6 / 12 page TOTAL UNADJUSTED ERROR – LSB 25 0 5.0 10 5 20 15 5.8 6.6 7.3 8.1 8.9 9.7 10.5 11.2 12.0 AD7390 SS = 100 units TA = 25 C VDD = 2.7V VREF = 2.5V Figure 5. AD7390 Total Unadjusted Error Histogram FREQUENCY – Hz 10 8 0 1 10 100K 100 1K 10K 6 4 2 12 14 16 AD7390 VDD = 5V VREF = 2.5V TA = 25 C Figure 8. Voltage Noise Density vs. Frequency TEMPERATURE – C 100 20 55 35 125 15 5 25 65 85 105 45 90 60 50 40 30 80 70 AD7390 SAMPLE SIZE = 300 UNITS VDD = 5.0V, VLOGIC = 0V VDD = 3.0V, VLOGIC = 0V VDD = 3.6V, VLOGIC = 2.4V Figure 11. Supply Current vs. Temperature TOTAL UNADJUSTED ERROR – LSB 100 0 –10 40 20 80 60 –3.3 3.3 10 16 23 30 36 43 50 AD7391 SS = 300 units TA = 25 C VDD = 2.7V VREF = 2.5V 90 70 50 30 10 Figure 6. AD7391 Total Unadjusted Error Histogram VIN – Volts 0.0 0.5 3.0 1.0 1.5 2.0 2.5 100 95 50 70 65 60 55 90 75 80 85 VLOGIC FROM 3.0V TO 0V VLOGIC FROM 0V TO 3.0V AD7390 TA = 25 C VDD = 3.0V Figure 9. Supply Current vs. Logic Input Voltage CLOCK FREQUENCY – Hz 1000 800 0 1K 10K 10M 100K 1M 600 400 200 a. VDD = 5.5V, CODE = 155H b. VDD = 5.5V, CODE = 3FFH c. VDD = 2.7V, CODE = 155H d . VDD = 2.7V, CODE = 355H a b c d AD7391 VLOGIC = 0V TO VDD TO 0V VREF = 2.5V TA = 25 C Figure 12. Supply Current vs. Clock Frequency FULL SCALE TEMPCO – ppm/ °C 0 –33 12 6 24 18 –30 –26 –23 –20 –16 –13 –10 –6 –3 30 0 AD7391 SS = 100 units TA = 40 to 85 C VDD = 2.7V VREF = 2.5V Figure 7. AD7391 Full-Scale Output Tempco Histogram SUPPLY VOLTAGE – V 12 7 3456 5.0 4.5 0.0 2.0 1.5 1.0 0.5 4.0 2.5 3.0 3.5 VLOGIC FROM HIGH TO LOW VLOGIC FROM LOW TO HIGH AD7390 CODE = FFFH VREF = 2V LOGIC VOLTAGE VARIED Figure 10. Logic Threshold vs. Supply Voltage FREQUENCY – Hz 60 50 0 10 100 10K 1K 30 20 10 40 VDD = 3V 5% VDD = 5V 5% TA = 25 C Figure 13. Power Supply Rejection vs. Frequency AD7390/AD7391–Typical Performance Characteristics REV. 0 –6– |
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