ADS5500-EP

SGLS286C − JUNE 2005 – REVISED SEPTEMBER 2008

www.ti.com

19

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 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

AC PERFORMANCE vs INPUT AMPLITUDE

90

80

70

60

50

40

30

20

10

0

-10

-20

-30

Input Amplitude (dBFS)

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

0

SFDR (dBc)

SNR (dBFS)

SNR (dBc)

f

f

DLL On

OUTPUT NOISE HISTOGRAM

40

35

30

25

20

15

10

5

0

Output Code

AC PERFORMANCE vs CLOCK AMPLITUDE

90

85

80

75

70

65

60

55

50

Differential Clock Amplitude (V)

f

f

0

0.5

1.0

1.5

2.0

2.5

3.0

SFDR

SNR

WCDMA TONE

0

-20

-40

-60

-80

-100

-120

-140

Frequency (MHz)

0

102030

405060

f

f