參數(shù)資料
型號(hào): AD9244-40PCB
廠商: Analog Devices, Inc.
元件分類: ADC
英文描述: 14-Bit, 40/65 MSPS Monolithic A/D Converter
中文描述: 14位,六十五分之四十MSPS的單片機(jī)的A / D轉(zhuǎn)換器
文件頁數(shù): 12/36頁
文件大小: 1845K
代理商: AD9244-40PCB
REV. A
–12–
AD9244
INPUT FREQUENCY – MHz
H
–100
–90
–85
–75
–80
20
140
40
60
80
100
120
0
FOURTH
HARMONIC
SECOND
HARMONIC
THIRD
HARMONIC
–95
TPC 13. Harmonics vs. Input Frequency
SAMPLE RATE – MSPS
75
70
20
40
60
80
100
0
S
f
IN
= 20MHz
f
IN
= 10MHz
f
IN
= 2MHz
72
74
76
73
71
12.17
11.34
11.67
12.00
12.33
11.83
11.50
E
TPC 14. SINAD vs. Sample Rate
CODES – 14-Bit
–1.5
I
1.5
1.0
0.5
–0.5
–1.0
0
16384
12288
8192
4096
0
TPC 15. Typical INL
DUTY CYCLE – %
90
60
35
70
40
S
45
50
55
60
65
85
80
75
70
65
SNR, DCS ON
30
95
100
SFDR, DCS ON
SFDR, DCS OFF
SNR, DCS OFF
TPC 16. SNR/SFDR vs. Duty Cycle, f
IN
= 2.5 MHz
SAMPLE RATE – MSPS
S
100
88
84
80
20
40
60
80
100
0
92
96
f
IN
= 2MHz
f
IN
= 10MHz
f
IN
= 20MHz
TPC 17. SFDR vs. Sample Rate
CODES – 14-Bit
–1.0
D
0.8
0.4
0.2
–0.2
–0.4
0
16384
12288
8192
4096
0
–0.6
–0.8
0.6
1.0
TPC 18. Typical DNL
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