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AD7391 Datasheet(PDF) 6 Page - Analog Devices |
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AD7391 Datasheet(HTML) 6 Page - Analog Devices |
6 / 12 page REV. A AD7390/AD7391–Typical Performance Characteristics –6– 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 SS = 100 UNITS TA = 25 C VDD = 2.7V VREF = 2.5V TPC 1. AD7390 Total Unadjusted Error Histogram FREQUENCY – Hz 10 8 0 1 10 100k 100 1k 10k 6 4 2 12 14 16 VDD = 5V VREF = 2.5V TA = 25 C TPC 4. AD7390 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 SAMPLE SIZE = 300 UNITS VDD = 5.0V, VLOGIC = 0V VDD = 3.0V, VLOGIC = 0V VDD = 3.6V, VLOGIC = 2.4V TPC 7. AD7390 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 SS = 300 UNITS TA = 25 C VDD = 2.7V VREF = 2.5V 90 70 50 30 10 TPC 2. AD7391 Total Unadjusted Error Histogram VIN – V 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 TA = 25 C VDD = 3.0V TPC 5. AD7390 Supply Current vs. Logic Input Voltage CLOCK FREQUENCY – Hz 1000 800 0 1k 10k 10M 100k 1M 600 400 200 a. V DD = 5.5V, CODE = 155H b. V DD = 5.5V, CODE = 3FFH c. V DD = 2.7V, CODE = 155H d . VDD = 2.7V, CODE = 355H a b c d VLOGIC = 0V TO V DD TO 0V VREF = 2.5V TA = 25 C TPC 8. AD7391 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 SS = 100 UNITS TA= 40 C TO +85 C VDD = 2.7V VREF = 2.5V TPC 3. AD7391 Full-Scale Output Tempco Histogram SUPPLY VOLTAGE – V 12 7 34 56 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 CODE = FFFH VREF = 2V RS LOGIC VOLTAGE VARIED TPC 6. AD7390 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 TPC 9. Power Supply Rejection vs. Frequency |
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