ADS58C48IPFPR datasheet(33/70 Pages) TI

33 / 70 page

−120

−110

−100

−90

−80

−70

−60

−50

−40

−30

−20

−10

Frequency (MHz)

Ain =−36dBFS,Fin =140MHz

Fs = 185 MSPS

Over 40MHz BW,27M to 67M

SNR = 77.6 dBFS

SINAD = 77.5 dBFS

SFDR = 68 dBc

SNR BOOST Filter # 30

−120

−110

−100

−90

−80

−70

−60

−50

−40

−30

−20

−10

Frequency (MHz)

Ain = −2dBFS, Fin =140MHz,

Fs = 185 MSPS

Over 40MHz BW,27M to 67M

SNR = 74.6 dBFS

SINAD = 74.3 dBFS

SFDR = 85 dBc

SNR BOOST Filter # 30

−120

−110

−100

−90

−80

−70

−60

−50

−40

−30

−20

−10

Frequency (MHz)

Ain =−36dBFS,Fin = 140MHz,

Fs = 185 MSPS

Over 30MHz BW,32M to 62M

SNR = 77.8 dBFS

SINAD = 77.7 dBFS

SFDR = 66 dBc

SNR BOOST Filter # 24

−120

−110

−100

−90

−80

−70

−60

−50

−40

−30

−20

−10

Frequency (MHz)

Ain = −2dBFS, Fin =140MHz,

Fs = 185 MSPS

Over 30MHz BW,32M to 62M

SNR = 75.4 dBFS

SINAD = 75 dBFS

SFDR = 85 dBc

SNR BOOST Filter # 24

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)

FFT WITH SNRBoost 3G ENABLED, 40-MHz BANDWIDTH

Figure 16.

Figure 17.

FFT WITH SNRBoost 3G ENABLED, 30-MHz BANDWIDTH

Figure 18.

Figure 19.

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