ADS5295IPFP datasheet(20/91 Pages) TI

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Frequency (MHz)

SNR = 73.9 dBFS

SINAD = 73.3 dBFS

SFDR = 82.1 dBc

THD = 81.1 dBc

Decimate−by−2 Filter Enabled

G026

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Frequency (MHz)

SNR = 74.5 dBFS

SINAD = 73.82 dBFS

SFDR = 81.4 dBc

THD = 80.8 dBc

2 Channels Averaged

G027

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0.1

0.2

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Normalized Frequency (fIN/fS)

Low-Pass

High-Pass

G024

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Normalized Frequency (fIN/fS)

Low-Pass

Band-Pass 1

Band-Pass 2

High-Pass

G025

ADS5295

SBAS595 – DECEMBER 2012

www.ti.com

TYPICAL CHARACTERISTICS: Digital Processing

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 24. DIGITAL FILTER RESPONSE

Figure 25. DIGITAL FILTER RESPONSE

(Decimate-by-2)

(Decimate-by-4)

Figure 26. FFT FOR 5-MHz INPUT SIGNAL

Figure 27. FFT FOR 5-MHz INPUT SIGNAL

(Sample Rate = 100 MSPS, Decimation Filter = 2)

(Sample Rate = 100 MSPS by Averaging Two Channels)

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