ADS5520IPAPR datasheet(19/38 Pages) TI1

19 / 38 page

Input Amplitude − dBFS

−10

−30

−100

−90

−60

−40

−20

−80

−70

−50

−30

−10

SNR (dBFS)

SNR(dBc)

SFDR(dBc)

fIN =150.1MHz

Input Amplitude − dBFS

−10

−30

−100

−90

−60

−40

−20

−80

−70

−50

−30

−10

SNR (dBFS)

SFDR(dBc)

SNR(dBc)

fIN =220.1MHz

Code

2052

2053

2054

2055

100

2556

2057

2058

88.80519867

DifferentialClock Amplitude − V

0.5

1.5

SFDR

SNR

2.5

fIN =70.1MHz

f − Frequency − MHz

−40

−60

−80

−100

−120

−140

−20

fS =125MSPS

fIN =170MHz

ClockDutyCycle − %

SFDR

SNR

fIN =20.1MHz

ADS5520

www.ti.com....................................................................................................................................................... SBAS310F – MAY 2004 – REVISED OCTOBER 2008

TYPICAL CHARACTERISTICS (continued)

Typical values given at TA = 25°C, AVDD = DRVDD = 3.3 V, differential input amplitude = -1dBFS, sampling rate = 125 MSPS,

DLL On, and 3-V differential clock, unless otherwise noted

AC PERFORMANCE

vs INPUT AMPLITUDE

Figure 29.

Figure 30.

OUTPUT

AC PERFORMANCE

NOISE HISTOGRAM

vs CLOCK AMPLITUDE

Figure 31.

Figure 32.

WCDMA

AC PERFORMANCE

CARRIER

vs CLOCK DUTY CYCLE

Figure 33.

Figure 34.

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