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AD9634 데이터시트(PDF) 13 Page - Analog Devices |
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AD9634 데이터시트(HTML) 13 Page - Analog Devices |
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13 / 31 page ![]() AD9634 Data Sheet TYPICAL PERFORMANCE CHARACTERISTICS AVDD = 1.8 V, DRVDD = 1.8 V, sample rate = maximum sample rate per speed grade, DCS enabled, 1.75 V p-p differential input, VIN = −1.0 dBFS, 32k sample, TA = 25°C, unless otherwise noted. 0 –140 –120 –100 –80 –60 –40 –20 0 80 70 60 50 40 30 20 10 SECOND HARMONIC THIRD HARMONIC FREQUENCY (MHz) 170MSPS 90.1MHz @ –1.0dBFS SNR = 69.1dB (70.1dBFS) SFDR = 93dBc Figure 4. AD9634-170 Single-Tone FFT with fIN = 90.1 MHz 0 –140 –120 –100 –80 –60 –40 –20 0 80 70 60 50 40 30 20 10 SECOND HARMONIC THIRD HARMONIC FREQUENCY (MHz) 170MSPS 185.1MHz @ –1.0dBFS SNR = 68.5dB (69.5dBFS) SFDR = 86dBc Figure 5. AD9634-170 Single-Tone FFT with fIN = 185.1 MHz 0 –140 –120 –100 –80 –60 –40 –20 0 80 70 60 50 40 30 20 10 SECOND HARMONIC THIRD HARMONIC FREQUENCY (MHz) 170MSPS 220.1MHz @ –1.0dBFS SNR = 68.2dB (69.2dBFS) SFDR = 84dBc Figure 6. AD9634-170 Single-Tone FFT with fIN = 220.1 MHz 0 –140 –120 –100 –80 –60 –40 –20 0 80 70 60 50 40 30 20 10 SECOND HARMONIC THIRD HARMONIC FREQUENCY (MHz) 170MSPS 305.1MHz @ –1.0dBFS SNR = 67.2dB (68.2dBFS) SFDR = 86dBc Figure 7. AD9634-170 Single-Tone FFT with fIN = 305.1 MHz 120 0 20 40 60 80 100 –100 –90 –80 –70 –60 –50 –40 –30 –20 –10 0 INPUT AMPLITUDE (dBFS) SNR (dBFS) SFDR (dBc) SNR (dBc) SFDR (dBFS) Figure 8. AD9634-170 Single-Tone SNR/SFDR vs. Input Amplitude (AIN) with fIN = 90.1 MHz, fS = 170 MSPS 100 95 90 85 80 75 70 65 60 60 90 120 150 180 210 240 270 300 330 INPUT FREQUENCY (MHz) SNR (dBFS) SFDR (dBc) Figure 9. AD9634-170 Single-Tone SNR/SFDR vs. Input Frequency (fIN), fS = 170 MSPS Rev. B | Page 12 of 30 |
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