ADS58C48IPFPR datasheet(36/70 Pages) TI

36 / 70 page

−55 −50 −45 −40 −35 −30 −25 −20 −15 −10

−5

100

66.3

66.6

66.9

67.2

67.5

67.8

68.1

68.4

SFDR dBc

SFDR dBFS

Input Amplitude (dBFS)

SNR dBFS

Fin = 40MHz

−55 −50 −45 −40 −35 −30 −25 −20 −15 −10

−5

100

110

73.5

74.5

75.5

76.5

In−Band SFDR dBc

In−Band SFDR dBFS

Input Amplitude (dBFS)

In−Band SNR dBFS

Fin = 40MHz

ADS58C48

SLAS689 – MAY 2010

www.ti.com

TYPICAL CHARACTERISTICS (continued)

All plots are at 25°C, AVDD = 1.8 V, DRVDD = 1.8 V, maximum rated sampling frequency, sine wave input clock. 1.5 VPP

differential clock amplitude, 50% clock duty cycle, –1 dBFS differential analog input, High Perf Mode disabled, 0 dB gain,

DDR LVDS output interface, 32k point FFT (unless otherwise noted)

PERFORMANCE ACROSS INPUT AMPLITUDE WITH SNRBoost 3G DISABLED

Figure 28.

PERFORMANCE ACROSS INPUT AMPLITUDE WITH SNRBoost 3G ENABLED, 60-MHz BANDWIDTH

Figure 29.

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