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AD5930 Datasheet(PDF) 11 Page - Analog Devices |
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AD5930 Datasheet(HTML) 11 Page - Analog Devices |
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11 / 28 page ![]() AD5930 Rev. 0 | Page 11 of 28 TYPICAL PERFORMANCE CHARACTERISTICS MCLK FREQUENCY (MHz) 9 8 7 6 4 3 5 2 1 0 050 MCLK FREQUENCY (MHz) –40 –45 –50 –55 –60 –65 –70 –75 –80 –85 –90 050 45 40 35 30 25 20 15 10 5 AVDD = DVDD = 3V/5V MCLK = 50MHz CREG = 0111 1111 1111 TA = 25°C FOUT = MCLK/7 FOUT = MCLK/50 FOUT = MCLK/3 45 40 35 30 25 20 15 10 5 TA = 25°C AVDD = 5V MSBOUT, SYNCOUT ENABLED DVDD = 5V DVDD = 5V, FOUT = MCLK/7 DVDD = 3V, FOUT = MCLK/7 DVDD = 3V Figure 9. Current Consumption (IDD) vs. MCLK Frequency FOUT (Hz) 7 6 4 3 5 2 1 0 25MHz 20MHz 15MHz 10MHz 5MHz 2MHz 1MHz 500kHz 100kHz 10kHz 1kHz 500kHz TA = 25°C MCLK = 50MHz MSBOUT ON, SYNCOUT ON MSBOUT OFF, SYNCOUT OFF MSBOUT ON, SYNCOUT OFF MSBOUT OFF, SYNCOUT ON Figure 10. IDD vs. FOUT for Various Digital Output Conditions LEGEND 1. SINEWAVE OUTPUT, INTERNALLY CONTROLLED SWEEP 2. TRIANGULAR OUTPUT, INTERNALLY CONTROLLED SWEEP 3. SINEWAVE OUTPUT, EXTERNALLY CONTROLLED SWEEP 4. TRIANGULAR OUTPUT, EXTERNALLY CONTROLLED SWEEP CONTROL OPTION (See Legend) 3.5 3.0 2.0 1.5 2.5 1.0 0.5 0 34 2 1 AIDD DIDD Figure 11. IDD vs. Output Waveform Type and Control Figure 12. Wideband SFDR vs. MCLK Frequency MCLK FREQUENCY (MHz) –60 –65 –70 –75 –80 –85 –90 05 45 40 35 30 25 20 15 10 5 0 AVDD = DVDD = 3V/5V MCLK = 50MHz CREG = 0111 1111 1111 TA = 25°C FOUT = MCLK/7 FOUT = MCLK/50 FOUT = MCLK/3 Figure 13. Narrowband SFDR vs. MCLK Frequency FOUT (MHz) –30 –40 –50 –60 –70 –80 –90 0.001 100 10 1 0.1 0.01 AVDD = DVDD = 3V/5V CREG = 0111 1111 1111 TA = 25°C MCLK = 1MHz MCLK = 10MHz MCLK = 30MHz MCLK = 50MHz Figure 14. Wideband SFDR vs. FOUT for Various MCLK Frequencies |
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