ADS5527_07 Datasheet, PDF (26/57 Pages) Texas Instruments – 12-BIT, 210 MSPS ADC WITH DDR LVDS/CMOS OUTPUTS

ADS5527
SLWS196A – DECEMBER 2006 – REVISED MAY 2007
www.ti.com
TYPICAL CHARACTERISTICS
All plots are at 25°C, AVDD = DRVDD = 3.3 V, sampling frequency = 210 MSPS, sine wave input clock, 1.5 V_PP differential
clock amplitude, 50% clock duty cycle, –1 dBFS differential analog input, internal reference mode, 0 dB gain, DDR LVDS
data output (unless otherwise noted)
FFT for 30 MHz INPUT SIGNAL
0
SFDR = 88.99 dBc,
-20
SNR = 70.63 dBFS,
SINAD = 70.4 dBFS
-40
-60
-80
-100
-120
-140
0 10 20 30 40 50 60 70 80 90 100
f - Frequency - MHz
Figure 9.
FFT for 100 MHz INPUT SIGNAL
0
SFDR = 81.61 dBc,
-20
SNR = 70.3 dBFS,
SINAD = 69.58 dBFS
-40
-60
-80
-100
-120
-140
0 10 20 30 40 50 60 70 80 90 100
f - Frequency - MHz
Figure 11.
FFT for 220 MHz INPUT SIGNAL
0
SFDR = 80.94 dBc,
-20
SNR = 69.38 dBFS,
SINAD = 68.86 dBFS
-40
-60
-80
-100
-120
-140
0 10 20 30 40 50 60 70 80 90 100
f - Frequency - MHz
Figure 13.
FFT for 70 MHz INPUT SIGNAL
0
SFDR = 85.57 dBc,
-20 SNR = 70.76 dBFS,
SINAD = 70.46 dBFS
-40
-60
-80
-100
-120
-140
0 10 20 30 40 50 60 70 80 90 100
f - Frequency - MHz
Figure 10.
FFT for 170 MHz INPUT SIGNAL
0
SFDR = 82.94 dBc,
-20
SNR = 69.77 dBFS,
SINAD = 69.26 dBFS
-40
-60
-80
-100
-120
-140
0 10 20 30 40 50 60 70 80 90 100
f - Frequency - MHz
Figure 12.
FFT for 300 MHz INPUT SIGNAL
0
SFDR = 74.59 dBc,
-20 SNR = 68.08 dBFS,
SINAD = 66.52 dBFS
-40
-60
-80
-100
-120
-140
0 10 20 30 40 50 60 70 80 90 100
f - Frequency - MHz
Figure 14.
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