ADS6444IRGCT View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
ADS6444IRGCT Datasheet PDF : 75 Pages
| |||
ADS6445, ADS6444
ADS6443, ADS6442
SLAS531 – MAY 2007
ADS6445 (Fsrated = 125 MSPS) (continued)
www.ti.com
92
90
88
86
84
82
80
78
76
74
0
SFDR vs INPUT FREQUENCY
Gain = 3.5 dB
Gain = 0 dB
50
100
150
200
fIN − Input Frequency − MHz
Figure 10.
250
G005
75
74
73
72
71
70
69
68
67
0
SNR vs INPUT FREQUENCY
Gain = 0 dB
Gain = 3.5 dB
50
100
150
200
fIN − Input Frequency − MHz
Figure 11.
250
G006
SFDR vs INPUT FREQUENCY ACROSS GAINS
92
Input adjusted to get −1dBFS input
90
6 dB
88
4 dB
86
5 dB
84
3 dB
82
80
78
2 dB
76
0 dB
1 dB
74
10 30 50 70 90 110 130 150 170 190 210 230
Fin − Input Frequency − MHz
G007
Figure 12.
SINAD vs INPUT FREQUENCY ACROSS GAINS
75
74
0 dB
3.5 dB
73
2 dB 1 dB
72
71
3 dB
70
69
68
67
66
65
20
4 dB
5 dB
40 60 80
6 dB
100 120 140 160 180 200 220
Fin − Input Frequency − MHz
G008
Figure 13.
PERFORMANCE vs AVDD
88
86
fIN = 50.1 MHz
LVDD = 3.3 V
SFDR
84
82
80
SNR
78
76
74
72
3.0
3.1
3.2
3.3
3.4
3.5
AVDD − Supply Voltage − V
Figure 14.
78
77
76
75
74
73
72
71
70
3.6
G009
PERFORMANCE vs LVDD
98
fIN = 50.1 MHz
AVDD = 3.3 V
94
SNR
90
86
SFDR
82
78
3.0
3.1
3.2
3.3
3.4
3.5
LVDD − Supply Voltage − V
Figure 15.
75
74
73
72
71
70
3.6
G010
32
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