Datenblatt-Suchmaschine für elektronische Bauteile |
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AD6645ASQZ-1051 Datenblatt(PDF) 10 Page - Analog Devices |
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AD6645ASQZ-1051 Datenblatt(HTML) 10 Page - Analog Devices |
10 / 24 page AD6645 Rev. D | Page 10 of 24 FREQUENCY (MHz) 72.0 72.5 73.0 73.5 74.0 74.5 75.0 75.5 0 10 20 30405060 70 T = –40°C T = +85°C T = +25°C ENCODE = 80MSPS @ AIN = –1dBFS TEMP = –40°C, +25°C, +85°C Figure 10. Signal-to-Noise Ratio (SNR) vs. Frequency ANALOG INPUT FREQUENCY (MHz) 80 82 84 86 88 90 92 94 T = +25°C T = –40°C, +85°C ENCODE = 80MSPS @ AIN = –1dBFS TEMP = –40°C, +25°C, +85°C 0 10 203040506070 Figure 11. Worst-Case Harmonics vs. Analog Input Frequency ANALOG FREQUENCY (MHz) 70 71 72 73 74 75 76 0 20 40 60 80 100 120 140 160 180 200 ENCODE = 80MSPS @ AIN = –1dBFS TEMP = 25°C Figure 12. Signal-to-Noise Ratio (SNR) vs. Analog Frequency (IF) ANALOG FREQUENCY (MHz) 60 65 70 80 90 100 75 85 95 WORST OTHER SPUR HARMONICS (SECOND, THIRD) ENCODE = 80MSPS @ AIN = –1dBFS TEMP = 25°C 0 20 40 60 80 100 120 140 160 180 200 Figure 13. Harmonics vs. Analog Frequency (IF) ANALOG INPUT POWER LEVEL (dBFS) 0 10 20 30 40 50 60 70 80 90 100 110 dBc 120 dBFS ENCODE = 80MSPS AIN = 30.5MHz SFDR = 90dB REFERENCE LINE –90 –80 –70 –60 –50 –40 –30 –20 –10 0 Figure 14. Single-Tone SFDR @ 30.5 MHz ANALOG INPUT POWER LEVEL (dBFS) 0 10 20 30 40 50 60 70 80 90 100 110 dBc 120 dBFS –90 –80 –70 –60 –50 –40 –30 –20 –10 0 SFDR = 90dB REFERENCE LINE ENCODE = 80MSPS AIN = 69.1MHz Figure 15. Single-Tone SFDR @ 69.1 MHz |
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