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AD9231 データシート(PDF) 12 Page - Analog Devices |
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AD9231 データシート(HTML) 12 Page - Analog Devices |
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12 / 36 page ![]() AD9231 Rev. 0 | Page 12 of 36 TYPICAL PERFORMANCE CHARACTERISTICS AD9231-80 AVDD = 1.8 V; DRVDD = 1.8 V, maximum sample rate, 2 V p-p differential input, 1.0 V internal reference; AIN = −1.0 dBFS, DCS disabled, unless otherwise noted. 0 –15 –30 –45 –60 –75 –90 –105 –120 –135 4 0 8 12 16 20 24 28 32 36 40 FREQUENCY (MHz) 4 3 6 + 2 5 80MSPS 9.7MHz @ –1dBFS SNR = 70.2dB (71.2dBFS) SFDR = 93.6dBc Figure 6. AD9231-80 Single-Tone FFT with fIN = 9.7 MHz 0 –15 –30 –45 –60 –75 –90 –105 –120 –135 4 0 8 12 16 20 24 28 32 36 40 FREQUENCY (MHz) 4 3 5 + 2 6 80MSPS 30.6MHz @ –1dBFS SNR = 70.1dB (71.1dBFS) SFDR = 94.4dBc Figure 7. AD9231-80 Single-Tone FFT with fIN = 30.6 MHz 0 –15 –30 –45 –60 –75 –90 –105 –120 –135 4 0 8 12 16 20 24 28 32 36 40 FREQUENCY (MHz) 4 3 5 6 + 2 80MSPS 69MHz @ –1dBFS SNR = 69.9dB (70.9dBFS) SFDR = 94.3dBc Figure 8. AD9231-80 Single-Tone FFT with fIN = 69 MHz 0 –15 –30 –45 –60 –75 –90 –105 –120 –135 4 0 8 12 16 20 24 28 32 36 40 FREQUENCY (MHz) 4 3 5 6 + 2 80MSPS 100.3MHz @ –1dBFS SNR = 69.5dB (70.5dBFS) SFDR = 87.7dBc Figure 9. AD9231-80 Single-Tone FFT with fIN = 100.3 MHz 0 –15 –30 –45 –60 –75 –90 –105 –120 –135 4 0 8 12 16 20 24 28 32 36 40 FREQUENCY (MHz) 4 3 6 2 5 + 80MSPS 210.3MHz @ –1dBFS SNR = 67.9dB (68.9dBFS) SFDR = 83.2dBc Figure 10. AD9231-80 Single-Tone FFT with fIN = 210.3 MHz 0 –15 –30 –45 –60 –75 –90 –105 –120 –135 4 0 8 12 16 20 24 28 32 36 40 FREQUENCY (MHz) F2 – F1 2F2 – F1 2F1 + F2 F1 + F2 2F2 – F1 2F1 – F2 80MSPS 28.3 @ –7dBFS 30.6 @ –7dBFS SFDR = 90dBc Figure 11. AD9231-80 Two-Tone FFT with fIN1 = 28.3 MHz and fIN2 = 30.6 MHz |
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