参数资料
型号: AD9244BSTZRL-40
厂商: Analog Devices Inc
文件页数: 7/36页
文件大小: 0K
描述: IC ADC 14BIT SGL 40MSPS 48LQFP
标准包装: 2,000
位数: 14
采样率(每秒): 40M
数据接口: 并联
转换器数目: 1
功率耗散(最大): 300mW
电压电源: 模拟和数字
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 48-LQFP
供应商设备封装: 48-LQFP(7x7)
包装: 带卷 (TR)
输入数目和类型: 2 个单端,单极;1 个差分,单极
AD9244
Rev. C | Page 15 of 36
02404-028
FREQUENCY (MHz)
32.5
0
10.0
5.0
20.0
15.0
25.0
30.0
AMP
LITUDE
(dBFS
)
0
–20
–60
–40
–80
–100
–120
SNR = 67.5dBc
SFDR = 93.2dBc
Figure 28. Dual-Tone FFT with fIN1 = 44.2 MHz and
fIN2 = 45.6 MHz (AIN1 = AIN2 = –6.5 dBFS)
02404-029
FREQUENCY (MHz)
32.5
0
10.0
5.0
25.0
20.0
15.0
30.0
AMP
LITUDE
(dBFS
)
0
20
40
60
80
100
120
SNR = 67.0dBc
SFDR = 78.2dBc
Figure 29. Dual-Tone FFT with fiN1 = 69.2 MHz and
fIN2 = 70.6 MHz (AIN1 = AIN2 = –6.5 dBFS)
02404-030
FREQUENCY (MHz)
32.5
0
5.0
10.0
15.0
20.0
25.0
30.0
AMP
LITUDE
(dBFS
)
0
–20
–40
–60
–80
–100
–120
SNR = 65.0dBc
SFDR = 69.1dBc
Figure 30. Dual-Tone FFT with fIN1 = 139.2 MHz and
fIN2 = 140.7 MHz (AIN1 = AIN2 = –6.5 dBFS)
02404-031
AIN (dBFS)
–5
–30
–25
–20
–15
–10
dBFS
AND
dBc
100
90
80
70
60
50
40
SFDR (dBFS)
SNR (dBFS)
SFDR (dBc)
SNR (dBc)
SFDR = 90dBc
REFERENCE LINE
Figure 31. Dual-Tone SNR/SFDR vs. AIN with
fIN1 = 44.2 MHz and fIN2 = 45.6 MHz
02404-032
AIN (dBFS)
–5
–30
–25
–20
–15
–10
dBFS
AND
dBc
100
90
80
70
60
50
40
SNR (dBFS)
SNR (dBc)
SFDR (dBc)
SFDR (dBFS)
SFDR = 90dBc
REFERENCE LINE
Figure 32. Dual-Tone SNR/SFDR vs. AIN with
fIN1 = 69.2 MHz and= fIN2 = 70.6 MHz
02404-033
AIN (dBFS)
–5
–30
–25
–20
–15
–10
dBFS
AND
dBc
100
90
80
70
60
50
40
SFDR (dBFS)
SNR (dBFS)
SNR (dBc)
SFDR (dBc)
SFDR = 90dBc
REFERENCE LINE
Figure 33. Dual-Tone SNR/SFDR vs. AIN with
fIN1 = 139.2 MHz and fIN2 = 140.7 MHz
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