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AD9246 Datasheet(PDF) 11 Page - Analog Devices |
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AD9246 Datasheet(HTML) 11 Page - Analog Devices |
11 / 44 page AD9246 Rev. A | Page 11 of 44 TYPICAL PERFORMANCE CHARACTERISTICS AVDD = 1.8 V; DRVDD = 2.5 V; maximum sample rate, DCS enabled, 1 V internal reference; 2 V p-p differential input; AIN = −1.0 dBFS; 64k sample; TA = 25°C, unless otherwise noted. All figures show typical performance for all speed grades. 0 –140 0 62.500 FREQUENCY (MHz) –20 –40 –60 –80 –100 –120 15.625 31.250 46.875 125MSPS 2.3MHz @ –1dBFS SNR = 71.9dB (72.9dBFS) ENOB = 11.7 BITS SFDR = 90dBc Figure 12. AD9246-125 Single-Tone FFT with fIN = 2.3 MHz 0 –140 0 62.500 FREQUENCY (MHz) –20 –40 –60 –80 –100 –120 15.625 31.250 46.875 125MSPS 30.3MHz @ –1dBFS SNR = 71.9dBc (72.9dBFS) ENOB = 11.6 BITS SFDR = 88.8dBc Figure 13. AD9246-125 Single-Tone FFT with fIN = 30.3 MHz 0 –140 0 62.500 FREQUENCY (MHz) –20 –40 –60 –80 –100 –120 15.625 31.250 46.875 125MSPS 70.3MHz @ –1dBFS SNR = 71.7dB (72.7dBFS) ENOB = 11.5 BITS SFDR = 85dBc Figure 14. AD9246-125 Single-Tone FFT with fIN = 70.3 MHz 0 –140 0 62.500 FREQUENCY (MHz) –20 –40 –60 –80 –100 –120 15.625 31.250 46.875 125MSPS 100.3MHz @ –1dBFS SNR = 71.6dBc (72.6dBFS) ENOB = 11.5 BITS SFDR = 85dBc Figure 15. AD9246-125 Single-Tone FFT with fIN = 100.3 MHz 0 –140 0 62.500 FREQUENCY (MHz) –20 –40 –60 –80 –100 –120 15.625 31.250 46.875 125MSPS 140.3MHz @ –1dBFS SNR = 71dB (72dBFS) ENOB = 11.4 BITS SFDR = 85dBc Figure 16. AD9246-125 Single-Tone FFT with fIN = 140.3 MHz 0 –140 0 62.500 FREQUENCY (MHz) –20 –40 –60 –80 –100 –120 15.625 31.250 46.875 125MSPS 170.3MHz @ –1dBFS SNR = 70.8dB (71.8dBFS) ENOB = 11.4 BITS SFDR = 83.4dBc Figure 17. AD9246-125 Single-Tone FFT with fIN = 170.3 MHz |
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