ADS54RF63 TYPICAL CHARACTERISTICS

f − Frequency − MHz

−120

−100

−80

−60

−40

−20

0

0

25

50

75 100 125 150 175 200 225 250 275

G034

SFDR = 79.4 dBc

SINAD = 63.1 dBFS

SNR = 63.2 dBFS

THD = 76.6 dBc

f − Frequency − MHz

−120

−100

−80

−60

−40

−20

0

0

25

50

75 100 125 150 175 200 225 250 275

G035

SFDR = 78.2 dBc

SINAD = 63 dBFS

SNR = 63.2 dBFS

THD = 76.5 dBc

f − Frequency − MHz

−120

−100

−80

−60

−40

−20

0

0

25

50

75 100 125 150 175 200 225 250 275

G036

SFDR = 71.6 dBc

SINAD = 61.3 dBFS

SNR = 62 dBFS

THD = 68.7 dBc

f − Frequency − MHz

−120

−100

−80

−60

−40

−20

0

0

25

50

75 100 125 150 175 200 225 250 275

G037

SFDR = 52.7 dBc

SINAD = 52.2 dBFS

SNR = 60.4 dBFS

THD = 51.9 dBc

ADS5463

ADS54RF63

SLAS515E – NOVEMBER 2006 – REVISED JULY 2009 ................................................................................................................................................... www.ti.com

Typical plots at TA = 25°C, sampling rate = 550 MSPS, 50% clock duty cycle, AVDD5 = 5 V, AVDD3 = 3.3 V, DVDD3 = 3.3 V,

and 3-VPP differential clock, (unless otherwise noted)

SPECTRAL PERFORMANCE

SPECTRAL PERFORMANCE

FFT FOR 450-MHz INPUT SIGNAL

FFT FOR 650-MHz INPUT SIGNAL

Figure 27.

Figure 28.

SPECTRAL PERFORMANCE

SPECTRAL PERFORMANCE

FFT FOR 900-MHz INPUT SIGNAL

FFT FOR 1,300-MHz INPUT SIGNAL

Figure 29.

Figure 30.

20

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