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SGLS286C − JUNE 2005 – REVISED SEPTEMBER 2008

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18

TYPICAL CHARACTERISTICS (continued)

Typical values are at TA = 25°C, AVDD = DRVDD = 3.3 V, differential input amplitude = −1 dBFS, sampling rate = 125 MSPS, and DLL On (unless

otherwise noted)

AC PERFORMANCE vs DIGITAL SUPPLY VOLTAGE

79

78

77

76

75

74

73

72

71

70

69

DRV

3.0

3.1

3.2

3.3

3.4

3.5

3.6

f

f

AV

SNR

SFDR

AC PERFORMANCE vs DIGITAL SUPPLY VOLTAGE

84

82

80

78

76

74

72

70

DRV

3.03.1

3.23.3

3.43.5

3.6

f

f

AV

SNR

SFDR

POWER DISSIPATION vs SAMPLE RATE

850

800

750

700

650

600

550

500

Sample Rate (MSPS)

10

30

50

70

90

110

130

150

AV

f

POWER DISSIPATION vs SAMPLING FREQUENCY

800

750

700

650

600

550

500

Sampling Frequency (MSPS)

10

20

30

40

50

60

70

80

90 100 110 120

f

DLL Off

DLL On

SIGNAL−TO−NOISE RATIO AND

SPURIOUS−FREE DYNAMIC RANGE vs TEMPERATURE

90

85

80

75

70

65

60

Temperature (

_C)

-40

0

25

40

85

SFDR

SNR

f

f

DLL On

AC PERFORMANCE vs INPUT AMPLITUDE

90

80

70

60

50

40

30

20

10

0

-10

-20

-30

Input Amplitude (dBFS)

-100 -90 -80 -70 -60 -50 -40 -30 -20 -10

0

SFDR (dBc)

SNR (dBFS)

SNR (dBc)

f

f

DLL On