Datasheet
65
67
69
71
73
75
77
79
81
83
85
1.65 1.70 1.75 1.80 1.85 1.90 1.95
AVDD Supply (V)
SFDR (dBc)
−40°C
−25°C
25°C
55°C
85°C
Input Frequency = 170MHz
53
53.5
54
54.5
55
55.5
56
56.5
57
57.5
58
1.65 1.70 1.75 1.80 1.85 1.90 1.95
AVDD Supply (V)
SNR (dBFS)
−40°C
−25°C
25°C
55°C
85°C
Input Frequency = 170MHz
1.65 1.70 1.75 1.80 1.85 1.90 1.95
70
72
74
76
78
80
54.5
55
55.5
56
56.5
57
DRVDD Supply (V)
SFDR (dBc)
SNR (dBFS)
SFDR
SNR
Input Frequency = 170MHz
−30 −25 −20 −15 −10 −5 0
30
40
50
60
70
80
90
100
51
52
53
54
55
56
57
58
Amplitude (dBFS)
SFDR (dBc, dBFS)
SNR (dBFS)
SFDR (dBc)
SFDR (dBFS)
SNR
Input Frequency = 170.1MHz
ADS58B18
ADS58B19
SBAS487D – NOVEMBER 2009– REVISED JANUARY 2011
www.ti.com
TYPICAL CHARACTERISTICS: ADS58B19 (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.
SFDR ACROSS AVDD SUPPLY vs TEMPERATURE SNR ACROSS AVDD SUPPLY vs TEMPERATURE
Figure 45. Figure 46.
PERFORMANCE ACROSS DRVDD SUPPLY PERFORMANCE ACROSS INPUT AMPLITUDE
Figure 47. Figure 48.
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