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AD7988-1_1208 Datasheet(PDF) 12 Page - Analog Devices |
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AD7988-1_1208 Datasheet(HTML) 12 Page - Analog Devices |
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12 / 24 page 
AD7988-1/AD7988-5 Data Sheet Rev. C | Page 12 of 24 95 85 87 89 92 91 93 94 86 88 90 INPUT LEVEL (dB OF FULL SCALE) –10 –9 –8 –7 –6 –5 –4 –3 –2 –1 0 Figure 18. SNR vs. Input Level –95 –125 –110 –115 –105 –100 –120 115 85 100 95 105 110 90 REFERENCE VOLTAGE (V) THD SFDR 2.25 2.75 3.25 3.75 4.25 4.75 5.25 Figure 19. THD, SFDR vs. Reference Voltage 100 80 10 1k FREQUENCY (kHz) 95 90 85 100 Figure 20. SINAD vs. Frequency 95 85 89 87 91 93 –55 125 TEMPERATURE (°C) –35 –15 5 25 65 85 45 105 Figure 21. SNR vs. Temperature 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 VDD VOLTAGE (V) IVDD IREF IVIO 2.375 2.425 2.475 2.525 2.575 2.625 Figure 22. Operating Currents vs. Supply (AD7988-5) 0.14 0.12 0.10 0.08 0.06 0.04 0.02 0 VDD VOLTAGE (V) IVDD IREF IVIO 2.375 2.425 2.475 2.525 2.575 2.625 Figure 23. Operating Currents vs. Supply (AD7988-1) |
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