Datasheet
1.65 1.70 1.75 1.80 1.85 1.90 1.95
74
76
78
80
82
84
65
65.2
65.4
65.6
65.8
66
DRVDD Supply (V)
SFDR (dBc)
SNR (dBFS)
SFDR
SNR
Input Frequency = 170MHz
−45 −40 −35 −30 −25 −20 −15 −10 −5 0
20
30
40
50
60
70
80
90
100
110
120
58
59
60
61
62
63
64
65
66
67
68
Amplitude (dBFS)
SFDR (dBc, dBFS)
SNR (dBFS)
SFDR (dBc)
SFDR (dBFS)
SNRInput Frequency = 170.1MHz
1.55 1.60 1.65 1.70 1.75 1.80 1.85
63
66
69
72
75
78
81
84
87
90
93
96
99
64
64.5
65
65.5
66
66.5
67
67.5
68
68.5
69
69.5
70
Input Common-Mode Voltage (V)
SFDR (dBc)
SNR (dBFS)
SFDR
SNR
Input Frequency = 170MHz
0 0.5 1 1.5 2 2.5 3
66
68
70
72
74
76
78
80
82
84
86
88
90
56
57
58
59
60
61
62
63
64
65
66
67
68
Differential Clock Amplitude (V
PP
)
SFDR (dBc)
SNR (dBFS)
SFDR
SNR
Input Frequency = 170MHz
ADS58B18
ADS58B19
SBAS487D – NOVEMBER 2009– REVISED JANUARY 2011
www.ti.com
TYPICAL CHARACTERISTICS: ADS58B18 (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 DRVDD SUPPLY PERFORMANCE ACROSS INPUT AMPLITUDE
Figure 30. Figure 31.
PERFORMANCE ACROSS INPUT COMMON-MODE
VOLTAGE PERFORMANCE ACROSS INPUT CLOCK AMPLITUDE
Figure 32. Figure 33.
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Product Folder Link(s): ADS58B18 ADS58B19