Datasheet

5010 100 150 200
f - In ueput F eqr ncy M- Hz
IN
f SamplingFrequency- - MSPS
S
SNR - dBFS
250 300 350 450400 500
80
160
100
120
140
180
200
250
6766656463 68
73
220
240
65
64
65
66
66
67
67
67
68
68
68
68
69
69
69
70
70
70
70
70.5
70.5
70.5
71
71
71
71.5
71.5
71.5
72.5
72
72
69 70 71 72
ADS4126 , ADS4129
ADS4146 , ADS4149
SBAS483G – NOVEMBER 2009–REVISED JANUARY 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, 1dB gain, low-latency mode, DDR LVDS output interface,
and 32k-point FFT, unless otherwise noted. Note that after reset, the device is in 0dB gain mode.
ADS414x: SNR ACROSS INPUT AND SAMPLING FREQUENCIES
(1dB Gain)
Figure 111.
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