Code

0.60

0.45

0.30

0.15

0

−0.15

−0.30

−0.45

−0.60

0

1536

2048

2560

3072

3584

512

1024

4096

f

IN = 5MHz

Code

0.45

0.30

0.15

0

−0.15

−0.30

−0.45

0

3072

3584

2560

1024

512

2048

1536

4096

f

IN = 5MHz

Input Frequency (MHz)

80

75

70

65

60

55

0

80

10

20

30

40

50

60

70

External Reference

REF

T = 1.95V

REF

B = 0.95V

Input Frequency (MHz)

80

75

70

65

60

55

50

0

80

10

20

30

40

50

60

70

External Reference

REF

T = 1.95V

REF

B = 0.95V

Input Frequency (MHz)

100

95

90

85

80

75

70

0

80

10

20

30

40

50

60

70

External Reference

REF

T = 1.95V

REF

B = 0.95V

Input Frequency (MHz)

80

75

70

65

60

55

0

80

10

20

30

40

50

60

70

Internal Reference

ADS5272

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

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.

DIFFERENTIAL NONLINEARITY

INTEGRAL NONLINEARITY

Figure 7.

Figure 8.

SNR vs INPUT FREQUENCY

SINAD vs INPUT FREQUENCY

Figure 9.

Figure 10.

SFDR vs INPUT FREQUENCY

SNR vs INPUT FREQUENCY

Figure 11.

Figure 12.

Copyright © 2004–2009, Texas Instruments Incorporated

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