ADS5273_14 Datasheet, PDF (14/33 Pages) Texas Instruments – 8-Channel, 12-Bit, 70MSPS Analog-to-Digital Converter

ADS5273
SBAS305D – JANUARY 2004 – REVISED JANUARY 2009 .............................................................................................................................................. www.ti.com
TYPICAL CHARACTERISTICS
T_MIN = –40°C and T_MAX = +85°C. Typical values are at T_A = +25°C, clock frequency = 70MSPS, 50% clock duty cycle,
AVDD = 3.3V, LVDD = 3.3V, –1dBFS, I_SET = 56.2kΩ, internal voltage reference, LVDS buffer current at 3.5mA per channel,
16kFFT, and 8 averages, unless otherwise noted.
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SPECTRAL PERFORMANCE
f_IN = 1MHz, −1dBFS
SNR = 71.1dBFS
SINAD = 71dBFS
SFDR = 92dBc
16 Averages
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Frequency (MHz)
Figure 1.
SPECTRAL PERFORMANCE
f_IN = 10MHz, −1dBFS
SNR = 70.8dBFS
SINAD = 70.6dBFS
SFDR = 87dBc
16 Averages
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Frequency (MHz)
Figure 3.
INTERMODULATION DISTORTION
f₁ = 9.5MHz
f₂ = 10.2MHz
IMD3 = 97dBFS
16 Averages
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Frequency (MHz)
Figure 5.
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SPECTRAL PERFORMANCE
f_IN = 5MHz, −1dBFS
SNR = 71dBFS
SINAD = 70.8dBFS
SFDR = 90dBc
16 Averages
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Frequency (MHz)
Figure 2.
SPECTRAL PERFORMANCE
f_IN = 20MHz
SNR = 70dBFS
SINAD = 69.8dBFS
SFDR = 86dBc
16 Averages
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Frequency (MHz)
Figure 4.
CROSSTALK
f_IN = 5MHz
Crosstalk = 90dBFS
16 Averages
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Frequency (MHz)
Figure 6.
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