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AD9642BCPZRL7-250 Datasheet(PDF) 10 Page - Analog Devices |
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AD9642BCPZRL7-250 Datasheet(HTML) 10 Page - Analog Devices |
10 / 28 page AD9642 Data Sheet TYPICAL PERFORMANCE CHARACTERISTICS AVDD = 1.8 V, DRVDD = 1.8 V, sample rate = maximum 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 –20 THIRD HARMONIC SECOND HARMONIC –40 –60 –80 –100 –120 –140 10 0 20 30 40 50 60 70 80 FREQUENCY (MHz) 170MSPS 90.1MHz @ –1dBFS SNR = 71.82dB (72.2dBFS) SFDR = 93dBc Figure 4. AD9642-170 Single-Tone FFT with fIN = 90.1 MHz 0 –20 THIRD HARMONIC SECOND HARMONIC –40 –60 –80 –100 –120 –140 10 0 20 30 40 50 60 70 80 FREQUENCY (MHz) 170MSPS 185.1MHz @ –1dBFS SNR = 70.2dB (71.2dBFS) SFDR = 86dBc Figure 5. AD9642-170 Single-Tone FFT with fIN = 185.1 MHz 0 –20 THIRD HARMONIC SECOND HARMONIC –40 –60 –80 –100 –120 –140 10 0 20 30 40 50 60 70 80 FREQUENCY (MHz) 170MSPS 220.1MHz @ –1dBFS SNR = 69.7dB (70.7dBFS) SFDR = 84dBc Figure 6. AD9642-170 Single-Tone FFT with fIN = 220.1 MHz 0 –20 THIRD HARMONIC SECOND HARMONIC –40 –60 –80 –100 –120 –140 10 0 20 30 40 50 60 70 80 FREQUENCY (MHz) 170MSPS 305.1MHz @ –1dBFS SNR = 68.0dB (69.0dBFS) SFDR = 86dBc Figure 7. AD9642-170 Single-Tone FFT with fIN = 305.1 MHz 120 100 80 60 40 20 0 –10 –20 –30 –40 –50 –60 –70 –80 –90 –100 0 INPUT AMPLITUDE (dBFS) SFDR (dBFS) SNR (dBFS) SFDR (dBc) SNR (dBc) Figure 8. AD9642-170 Single-Tone SNR/SFDR vs. Input Amplitude (AIN) with fIN = 90.1 MHz, fS = 170 MSPS 60 65 70 75 80 85 90 95 100 60 75 90 105 120 135 150 165 180 195 210 225 240 255 270 285 300 315 330 345 FREQUENCY (MHz) SFDR (dBc) SNR (dBFS) Figure 9. AD9642-170 Single-Tone SNR/SFDR vs. Input Frequency (fIN), fS = 170 MSPS Rev. B | Page 10 of 28 |
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