AD9250 datasheet(15/45 Pages) AD

15 / 45 page

Data Sheet

AD9250

Rev. E | Page 15 of 45

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INPUT AMPLITUDE (dBFS)

SFDR (dBc)

SFDR (dBFS)

IMD (dBc)

IMD (dBFS)

Figure 11. AD9250-170 Two-Tone SFDR/IMD vs. Input Amplitude (AIN)

with fIN1 = 184.12 MHz, fIN2 = 187.12 MHz, fS = 170 MSPS

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FREQUENCY (MHz)

170 MSPS

89.12MHz AT –7dBFS

92.12MHz AT –7dBFS

SFDR: 91dBc

Figure 12. AD9250-170 Two-Tone FFT with fIN1 = 89.12 MHz, fIN2 = 92.12 MHz,

fS = 170 MSPS

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FREQUENCY (MHz)

170 MSPS

184.12MHz AT –7dBFS

187.12MHz AT –7dBFS

SFDR: 86dBc

Figure 13. AD9250-170 Two-Tone FFT with fIN1 = 184.12 MHz,

fIN2 = 187.12 MHz, fS = 170 MSPS

100

140

SFDR_A (dBc)

SNRFS_A (dBFS)

SFDR_B (dBc)

SNRFS_B (dBFS)

SAMPLE RATE (MHz)

Figure 14. AD9250-170 Single-Tone SNR/SFDR vs. Sample Rate (fS)

with fIN = 90.1 MHz

136

1184

8529

47521

24220

3479

450

100,000

200,000

300,000

400,000

500,000

600,000

N – 6

N – 4

N – 2

N + 2

N + 4

N + 6

OUTPUT CODE

2,096,064 TOTAL HITS

1.4925 LSB rms

555924

498226

387659

281445

109722

177569

Figure 15. AD9250-170 Grounded Input Histogram

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FREQUENCY (MHz)

fIN: 90.1MHz

fS: 250MSPS

SNR: 71.8dBFS

SFDR: 85dBc

Figure 16. AD9250-250 Single-Tone FFT with fIN = 90.1 MHz

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