Datasheet

−70 −60 −50 −40 −30 −20 −10 0
20
30
40
50
60
70
80
90
100
110
120
68
68.5
69
69.5
70
70.5
71
71.5
72
72.5
73
Amplitude (dBFS)
SFDR (dBc, dBFS)
SNR (dBFS)
SFDR(dBFS)
SFDR(dBc)
SNR
Input Frequency = 170MHz
1.5 1.55 1.6 1.65 1.7 1.75 1.8 1.85 1.9 1.95
68
72
76
80
84
88
92
67
67.5
68
68.5
69
69.5
70
Input Common−Mode Voltage (V)
SFDR (dBc)
SNR (dBFS)
SFDR
SNR
Input Frequency = 170MHz
60
61
62
63
64
65
66
67
68
69
70
0 0.5 1 1.5 2 2.5 3 3.5
Gain (dB)
SINAD (dBFS)
150MHz
170MHz
220MHz
300MHz
400MHz
−70 −60 −50 −40 −30 −20 −10 0
20
30
40
50
60
70
80
90
100
110
68.5
69
69.5
70
70.5
71
71.5
72
72.5
73
Amplitude (dBFS)
SFDR (dBc, dBFS)
SNR (dBFS)
SFDR(dBFS)
SFDR(dBc)
SNR
Input Frequency = 40MHz
ADS41B29
ADS41B49
SBAS486E – NOVEMBER 2009–REVISED JULY 2012 www.ti.com
TYPICAL CHARACTERISTICS: ADS41B49 (continued)
At +25°C, AVDD = 1.8V, AVDD_BUF = 3.3V, 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, DDR LVDS output interface, and
32k-point FFT, unless otherwise noted.
PERFORMANCE ACROSS INPUT AMPLITUDE
SINAD ACROSS GAIN AND INPUT FREQUENCY (Single Tone)
Figure 20. Figure 21.
PERFORMANCE ACROSS INPUT AMPLITUDE
(Single Tone) PERFORMANCE vs INPUT COMMON-MODE VOLTAGE
Figure 22. Figure 23.
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Product Folder Link(s): ADS41B29 ADS41B49