ADS5287 datasheet(25/42 Pages) TI

25 / 42 page

100

120

140

160

InputFrequency(MHz)

SFDR=85.8dBc

SNR=62.1dBFS

SNR(0MHzto1MHz)=77dBFS

SINAD=62dBFS

THD=84.6dBc

InputFrequency(MHz)

SNR(dBFS)

SFDR(dBc)

f =40MHz

100

120

140

160

InputFrequency(MHz)

SFDR=86.9dBc

SNR=61.73dBFS

SINAD=61.72dBFS

THD=86.5dBc

-20

-40

-60

-80

-100

-120

-140

-180

InputFrequency(MHz)

-160

SFDR=85.9dBc

SNR=62.02dBFS

SNR(0MHzto1MHz)=76.5dBFS

SINAD=62dBFS

THD=84.1dBc

ADS5287

www.ti.com

SBAS428D – JANUARY 2008 – REVISED JUNE 2012

TYPICAL CHARACTERISTICS (continued)

Typical values at +25°C. Minimum and maximum values are measured across the specified temperature range of TMIN =

–40°C to TMAX = +85°C, AVDD = 3.3V, LVDD = 1.8V, clock frequency = 10MSPS to 65MSPS, 50% clock duty cycle, –1dBFS

differential analog input, internal reference mode, ISET resistor = 56.2kΩ, and LVDS buffer current setting = 3.5mA, unless

otherwise noted.Typical values at +25°C.

SPECTRAL PERFORMANCE

(fS = 65MHz, fIN = 10MHz)

(fS = 65MHz, fIN = 25MHz)

Figure 8.

Figure 9.

SPECTRAL PERFORMANCE, LOW-FREQUENCY NOISE

DYNAMIC PERFORMANCE

SUPPRESSION MODE ENABLED

(fS = 65MHz, fIN = 25MHz)

INPUT FREQUENCY

Figure 10.

Figure 11.

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