AD9208 datasheet(17/137 Pages) AD

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AD9208

Data Sheet

Rev. 0 | Page 16 of 136

TYPICAL PERFORMANCE CHARACTERISTICS

AVDD1 = 0.975 V, AVDD1_SR = 0.975 V, AVDD2 = 1.9 V, AVDD3 = 2.5 V, DVDD = 0.975 V, DRVDD1 = 0.975 V, DRVDD2 = 1.9 V,

SPIVDD = 1.9 V, sampling rate = 3000 MHz, 1.7 V p-p full-scale differential input, DDC decimation rate = 8, default buffer current settings,

TA = 25°C, 128,000 fast Fourier transform (FFT) sample, unless otherwise noted. See Table 10 for the recommended settings.

–120

–100

–80

–60

–40

–20

150

300

450

600

750

900 1050 1200 1350 1500

FREQUENCY (MHz)

AIN = –2dBFS

SNR = 60.2dBFS

SFDR = 71dBFS

ENOB = 9.6BITS

NSD = –152.0dBFS/Hz

BUFFER CURRENT = 400µA

Figure 6. Single-Tone FFT at fIN = 255 MHz

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–40

–20

150

300

450

600

750

900 1050 1200 1350 1500

FREQUENCY (MHz)

AIN = –2dBFS

SNR = 60dBFS

SFDR = 71dBFS

ENOB = 9.6BITS

NSD = –151.8dBFS/Hz

BUFFER CURRENT = 500µA

Figure 7. Single-Tone FFT at fIN = 765 MHz

–120

–100

–80

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–40

–20

150

300

450

600

750

900 1050 1200 1350 1500

FREQUENCY (MHz)

AIN = –2dBFS

SNR = 59.9dBFS

SFDR = 71dBFS

ENOB = 9.6BITS

NSD = –151.6dBFS/Hz

BUFFER CURRENT = 500µA

Figure 8. Single-Tone FFT at fIN = 905 MHz

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–20

150

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900 1050 1200 1350 1500

FREQUENCY (MHz)

AIN = –2dBFS

SNR = 57.9dBFS

SFDR = 69dBFS

ENOB = 9.2BITS

NSD = –149.7dBFS/Hz

BUFFER CURRENT = 500µA

Figure 9. Single-Tone FFT at fIN = 1807 MHz

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FREQUENCY (MHz)

AIN = –9dBFS

SNR = 60.4dBFS

SFDR = 81dBFS

ENOB = 9.7BITS

NSD = –152.1dBFS/Hz

BUFFER CURRENT = 500µA

Figure 10. Single-Tone FFT at fIN = 1807 MHz, AIN = −9 dBFS

–120

–100

–80

–60

–40

–20

150

300

450

600

750

900 1050 1200 1350 1500

FREQUENCY (MHz)

AIN = –2dBFS

SNR = 58.0dBFS

SFDR = 67dBFS

ENOB = 9.2BITS

NSD = –149.7dBFS/Hz

BUFFER CURRENT = 500µA

Figure 11. Single-Tone FFT at fIN = 2100 MHz

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