ADS5295IPFP datasheet(22/91 Pages) TI

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−140

−130

−120

−110

−100

−90

−80

−70

−60

−50

−40

−30

−20

−10

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

Frequency (MHz)

LF Noise Suppression Enabled

LF Noise Suppression Disabled

G034

−140

−130

−120

−110

−100

−90

−80

−70

−60

−50

−40

−30

−20

−10

49.1 49.2 49.3 49.4 49.5 49.6 49.7 49.8 49.9

Frequency (MHz)

LF Noise Suppression Enabled

LF Noise Suppression Disabled

G035

−140

−130

−120

−110

−100

−90

−80

−70

−60

−50

−40

−30

−20

−10

0.5

1.5

2.5

3.5

4.5

Frequency (MHz)

HPF_DISABLED

HPF_ENABLED (K = 2)

G032

−120

−110

−100

−90

−80

−70

−60

−50

−40

−30

−20

−10

Frequency (MHz)

SNR = 70.7 dBFS

SINAD = 70.4 dBFS

SFDR = 82.9 dBc

THD = 82.1 dBc

G033

ADS5295

SBAS595 – DECEMBER 2012

www.ti.com

TYPICAL CHARACTERISTICS: Digital Processing (continued)

Typical values are at TA = +25°C, AVDD = 1.8 V, LVDD = 1.8 V, 50% clock duty cycle, 100 MSPS, two-wire LVDS interface,

and –1-dBFS differential analog input, unless otherwise noted.

Figure 32. FFT WITH HPF ENABLED AND DISABLED

Figure 33. FULL-BAND FFT, 5-MHz INPUT

(No Signal)

(100-MHz FS with LFNS Enabled)

Figure 34. 0-MHz to 1 MHz FFT, 5-MHz INPUT

Figure 35. 49-MHz to 50-MHz FFT, 5-MHz INPUT

(100-MHz FS with LFNS Enabled)

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ADS5295IPFP Datasheet(PDF) 22 Page - Texas Instruments

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