Datasheet

5020 100 150 200
In ueput F eqr ncy (MHz)
SamplingFrequency(MSPS)
SNR(dBFS)
250 300 350 400
30
70
40
50
60
80
125
70696867 71
72
20
90
100
110
120
66
73
73.5
73.5
73.5
73
73
73
72.5
71
72
70
72.5
72.5
72
72
71
71
70
70
69
68
67
66
69
69
68
5020 100 150 200
In ueput F eqr ncy (MHz)
SamplingFrequency(MSPS)
SNR(dBFS)
250 300 350 400
30
70
40
50
60
80
125
6665.56564.5 66.5
67
20
90
100
110
120
64
67.5
68
68
68
67.5
67.5
67.5
67
67
67
67
66.5
66.5
66.5
66
66
65.5
65
ADS4122, ADS4125
ADS4142, ADS4145
SBAS520A –FEBRUARY 2011– REVISED MARCH 2011 www.ti.com
TYPICAL CHARACTERISTICS: CONTOUR (continued)
At +25°C, AVDD = 1.8V, DRVDD = 1.8V, maximum rated sampling frequency, sine wave input clock, 1.5V
PP
differential clock
amplitude, 50% clock duty cycle, –1dBFS differential analog input, 0dB gain, low-latency mode, DDR LVDS output interface,
and 32k-point FFT, unless otherwise noted.
ADS414x: SNR ACROSS INPUT AND SAMPLING FREQUENCIES (0dB Gain)
Figure 97.
ADS414x: SNR ACROSS INPUT AND SAMPLING FREQUENCIES (6dB Gain)
Figure 98.
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