ADS58C48IPFPR datasheet(43/70 Pages) TI

43 / 70 page

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100

Frequency of Signal on AVDD (MHz)

Fin = 40MHz

50mVpp Signal

Superimposed on AVDD

Frequency (MHz)

100

-120

-100

-80

-60

-40

-20

fpsrr = 1MHz

fin - fpsrr = 39MHz

fin = 40MHz

fin - fpsrr = 41MHz

fin = 40MHz

fpsrr = 1MHz,50mVpp

Amplitude (fin) = -1dBFS

Amplitude (fpsrr) = -79.6dBFS

Amplitude (fin + fpsrr) = -55.6dBFS

Amplitude (fin - fpsrr) = -55.9dBFS

ADS58C48

www.ti.com

SLAS689 – MAY 2010

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)

PSRR

FREQUENCY

Figure 45.

PSRR SPECTRUM

Figure 46.

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