Code

0.45

0.30

0.15

0

−0.15

−0.30

−0.45

0

1536

2048

2560

3072

3584

512

1024

4096

f

IN = 5MHz

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

Input Frequency (MHz)

76

74

72

70

68

66

64

62

60

0

30

40

50

60

70

10

20

80

External Reference

Input Frequency (MHz)

72

70

68

66

64

62

60

0

30

40

50

60

70

10

20

80

External Reference

Input Frequency (MHz)

100

95

90

85

80

75

70

65

0

30

40

50

60

70

10

20

80

External Reference

Input Frequency (MHz)

74

72

70

68

66

64

62

60

0

30

40

50

60

70

10

20

80

ADS5273

www.ti.com .............................................................................................................................................. SBAS305D – JANUARY 2004 – REVISED JANUARY 2009

TYPICAL CHARACTERISTICS (continued)

TMIN = –40°C and TMAX = +85°C. Typical values are at TA = +25°C, clock frequency = 70MSPS, 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

Submit Documentation Feedback

15

Product Folder Link(s): ADS5273