Input Frequency (MHz)

80

75

70

65

60

55

50

0

80

10

20

30

40

50

60

70

Internal Reference

Input Frequency (MHz)

100

95

90

85

80

75

70

0

80

10

20

30

40

50

60

70

Internal Reference

Input Amplitude (dBFS)

80

70

60

50

40

30

20

10

0

−60

−50

0

dBc

dBFS

−40

−30

−20

−10

f

IN = 10MHz

Input Amplitude (dBFS)

120

100

80

60

40

20

0

−60

−50

0

dBc

dBFS

−40

−30

−20

−10

f

IN = 10MHz

Input Amplitude (dBFS)

80

70

60

50

40

30

20

10

0

−60

−50

0

dBc

dBFS

−40

−30

−20

−10

f

IN = 10MHz

Input Amplitude (dBFS)

80

70

60

50

40

30

20

10

0

−60

−50

0

dBc

dBFS

−40

−30

−20

−10

f

IN = 5MHz

ADS5272

SBAS324C – JUNE 2004 – REVISED JANUARY 2009...................................................................................................................................................... www.ti.com

TYPICAL CHARACTERISTICS (continued)

TMIN = –40°C and TMAX = +85°C. Typical values are at TA = +25°C, clock frequency = maximum specified, 50% clock duty

cycle, AVDD = 3.3V, LVDD = 3.3V, –1dBFS, ISET = 56.2kΩ, internal voltage reference, LVDS buffer current at 3.5mA per

channel, 16kFFT, and 8 averages, unless otherwise noted.

SINAD vs INPUT FREQUENCY

SFDR vs INPUT FREQUENCY

Figure 13.

Figure 14.

SWEPT POWER — SNR

SWEPT POWER — SFDR

Figure 15.

Figure 16.

SWEPT POWER — SINAD

SWEPT POWER — SNR

Figure 17.

Figure 18.

16

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