参数资料
型号: AD9218BST-105
厂商: Analog Devices Inc
文件页数: 6/28页
文件大小: 0K
描述: IC ADC 10BIT DUAL 105MSPS 48LQFP
标准包装: 1
位数: 10
采样率(每秒): 105M
数据接口: 并联
转换器数目: 2
功率耗散(最大): 565mW
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: 托盘
输入数目和类型: 2 个差分,单极
AD9218
Rev. C | Page 14 of 28
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
(d
B
)
015.5
02
00
1-
0
20
ENCODE = 31MSPS
AIN = 8MHz AT –0.5dBFS
SNR = 59.23dB
SINAD = 59.1dB
H2 = –87dB
H3 = –81dB
Figure 20. FFT: FS = 31 MSPS, AIN = 8 MHz @ –0.5 dBFS, Differential,
1 V p-p Input Range
30
35
40
45
50
55
60
65
70
75
80
(dB
)
02
00
1-
0
21
0
50
100
150
200
250
AIN FREQUENCY (MHz)
SFDR
THIRD
SECOND
Figure 21. Harmonic Distortion (Second and Third) and
SFDR vs. AIN Frequency (1 V p-p, FS = 105 MSPS)
30
35
40
45
50
55
60
65
70
75
80
(dB
)
02
00
1-
0
22
0
50
100
150
200
250
AIN FREQUENCY (MHz)
SFDR
THIRD
SECOND
Figure 22. Harmonic Distortion (Second and Third) and
SFDR vs. AIN Frequency (1 V p-p, FS = 80 MSPS)
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
(d
B
)
015.5
02
00
1-
0
23
ENCODE = 31MSPS
AIN = 8MHz AT –0.5dBFS
SNR = 59dB
SINAD = 58.8dB
H2 = –78.7dB
H3 = –72.9dB
Figure 23. FFT: FS = 31 MSPS, AIN = 8 MHz @ –0.5 dBFS, Differential, with
AD8138 Driving ADC Inputs,1 V p-p Input Range
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
(d
B
)
052.5
02
00
1-
0
24
ENCODE = 105MSPS
AIN1 = 30.1MHz AT –7dBFS
AIN2 = 31.1MHz AT –7dBFS
SFDR = –67dBFS
Figure 24. Two-Tone Intermodulation Distortion
(30.1 MHz and 31.1 MHz; 1 V p-p, FS = 105 MSPS)
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
(d
B
)
040
02
00
1-
0
25
ENCODE = 80MSPS
AIN1 = 29.3MHz AT –7dBFS
AIN2 = 30.3MHz AT –7dBFS
SFDR = –77dBFS
Figure 25. Two-Tone Intermodulation Distortion
(29.3 MHz and 30.3 MHz; 1 V p-p, FS = 80 MSPS)
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