Sample Rate (MHz)

76

74

72

70

68

66

64

20

35

40

45

50

55

60

65

25

30

70

f

IN = 5MHz

Sample Rate (MSPS)

95

90

85

80

75

70

20

35

40

45

50

55

60

65

25

30

70

f

IN = 5MHz

Sample Rate (MSPS)

74

73

72

71

70

69

68

67

66

20

35

40

45

50

55

60

65

25

30

70

f

IN = 10MHz

Sample Rate (MSPS)

74

73

72

71

70

69

68

67

66

20

35

40

45

50

55

60

65

25

30

70

f

IN = 10MHz

Sample Rate (MSPS)

92

90

88

86

84

82

20

35

40

45

50

55

60

65

25

30

70

f

IN = 10MHz

Sample Rate (MSPS)

300

250

200

150

100

50

0

10

20

80

IAVDD

ILVDD

30

40

50

60

70

ADS5273

SBAS305D – JANUARY 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 = 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.

SINAD vs SAMPLE RATE

SFDR vs SAMPLE RATE

Figure 25.

Figure 26.

SNR vs SAMPLE RATE

SINAD vs SAMPLE RATE

Figure 27.

Figure 28.

SFDR vs SAMPLE RATE

CURRENT vs SAMPLE RATE

Figure 29.

Figure 30.

18

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