AD9248 Analog Devices, AD9248 Datasheet - Page 15
AD9248
Manufacturer Part Number
AD9248
Description
Dual 14-Bit, 20/40/65 MSPS, 3 V Analog-to-Digital Converter
Manufacturer
Analog Devices
Datasheet
1.AD9248.pdf
(48 pages)
Specifications of AD9248
Resolution (bits)
14bit
# Chan
2
Sample Rate
65MSPS
Interface
Par
Analog Input Type
Diff-Uni,SE-Uni
Ain Range
1 V p-p,2 V p-p,Uni 1.0V,Uni 2.0V
Adc Architecture
Pipelined
Pkg Type
QFP
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74
72
70
68
95
90
85
80
75
70
65
60
55
50
84
82
80
78
76
74
72
70
68
66
0
Figure 25. SINAD/SFDR vs. Temperature with f
30
–50
SINAD –20
DCS ON (SINAD)
Figure 24. SINAD/SFDR vs. Clock Duty Cycle
35
Figure 23. SINAD vs. FS with Nyquist Input
DCS OFF (SFDR)
CLOCK FREQUENCY (MHz)
20
40
0
TEMPERATURE (°C)
SINAD –40
DUTY CYCLE (%)
SFDR
45
SINAD
DCS ON (SFDR)
50
DCS OFF (SINAD)
40
50
55
SINAD –65
IN
= 32.5 MHz
60
60
100
65
12.0
11.5
11.0
Rev. B | Page 15 of 48
–0.5
–1.0
–1.5
–2.0
–2.5
–0.2
–0.4
–0.6
–0.8
–1.0
600
500
400
300
200
100
2.5
2.0
1.5
1.0
0.5
1.0
0.8
0.6
0.4
0.2
0
0
0
0
0
2000
2000
Figure 26. Analog Power Consumption vs. FS
10
–20
Figure 28. AD9248-65 Typical DNL
Figure 27. AD9248-65 Typical INL
4000
4000
20
SAMPLE RATE (MSPS)
–40
6000
6000
30
8000
CODE
8000
CODE
10000 12000 14000 16000
10000 12000 14000 16000
40
–65
50
60
AD9248