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AD5428 Scheda tecnica(PDF) 9 Page - Analog Devices |
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AD5428 Scheda tecnica(HTML) 9 Page - Analog Devices |
9 / 20 page DAC08 Rev. C | Page 9 of 20 FREQUENCY (MHz) 10 0.1 8 6 4 2 –14 0.2 0.5 1.0 2.0 10.0 2 0 –2 –4 –6 –8 –10 –12 1 5.0 R14 = R15 = 1k Ω RL ≤ 500V ALL BITS ON VR15 = 0V CC = 15pF, VIN = 2.0V p-p CENTERED AT +1.0V LARGE SIGNAL CC = 15pF, VIN = 50mV p-p CENTERED AT +200mV SMALL SIGNAL Figure 13. Reference Input Frequency Response V15, REFERENCE COMMON-MODE VOLTAGE (V) 4.0 –14 3.6 3.2 2.8 2.4 0 18 2.0 1.6 1.2 0.8 0.4 –10 –6 TA = TMIN TO TMAX NOTE: POSITIVE COMMON-MODE RANGE IS ALWAYS (V+) –1.5V IREF = 2mA V– = –15V V– = –5V V+ = +15V ALL BITS ON IREF = 1mA IREF = 0.2mA –2 2 6 10 14 Figure 14. Reference Amp Common-Mode Range LOGIC INPUT VOLTAGE (V) 10 –12 8 6 0 4 2 –8 –4 0 4812 16 Figure 15. Logic Input Current vs. Input Voltage TEMPERATURE (°C) 2.0 –50 1.6 1.2 0 0.8 0.4 0 50 100 150 Figure 16. VTH − VLC vs. Temperature OUTPUT VOLTAGE (V) 4.0 –14 3.6 3.2 2.8 2.4 0 18 2.0 1.6 1.2 0.8 0.4 –10 –6 TA = TMIN TO TMAX IREF = 1mA IREF = 0.2mA –2 2 6 10 14 V– = –15V V– = –5V IREF = 2mA ALL BITS ON Figure 17. Output Current vs. Output Voltage (Output Voltage Compliance) TEMPERATURE (°C) 28 24 20 16 12 –12 8 4 0 –4 –8 –50 0 50 100 150 SHADED AREA INDICATES PERMISSIBLE OUTPUT VOLTAGE RANGE FOR V– = –15V. IREF ≤ 2.0mA. FOR OTHER V– OR IREF, SEE OUTPUT CURRENT VS. OUTPUT VOLTAGE CURVE. Figure 18. Output Voltage Compliance vs. Temperature |
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