参数资料
型号: AD9245BCPZRL7-80
厂商: Analog Devices Inc
文件页数: 6/32页
文件大小: 0K
描述: IC ADC 14BIT SGL 80MSPS 32LFCSP
标准包装: 1,500
位数: 14
采样率(每秒): 80M
数据接口: 并联
转换器数目: 3
功率耗散(最大): 414mW
电压电源: 单电源
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 32-VFQFN 裸露焊盘,CSP
供应商设备封装: 32-LFCSP-VQ(5x5)
包装: 带卷 (TR)
输入数目和类型: 2 个单端,单极;1 个差分,单极
AD9245
Data Sheet
Rev. E | Page 14 of 32
FREQUENCY (MHz)
AMP
L
IT
UDE
(
d
BF
S
)
0
5
10
15
20
25
30
35
–120
–110
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
40
0358
3-
029
AIN = –6.5dBFS
SNR = 73.4dBFS
SFDR = 86.0dBFS
Figure 14. Two-Tone 8K FFT @ 30 MHz and 31 MHz
FREQUENCY (MHz)
A
M
PLITU
D
E
(dB
FS)
0
5
10
15
20
25
30
35
–120
–110
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
40
0358
3-
030
AIN = –6.5dBFS
SNR = 72.7dBFS
SFDR = 78.8dBFS
Figure 15. Two-Tone 8K FFT @ 69 MHz and 70 MHz
CODE
INL
(L
SB)
0
2048
4096
6144
8192
10240 12288 14336
–1.5
1.5
1.0
0.5
0
–0.5
–1.0
16384
0358
3-
026
Figure 16. Typical INL
INPUT AMPLITUDE (dBFS)
S
NR/S
F
DR
(
d
Bc
AND
d
B
F
S
)
–30
–27
–24
–21
–18
–15
–12
–9
40
100
90
80
70
60
50
–6
0358
3-
031
SFDR = 90dBc
REFERENCE LINE
SFDR (dBFS)
SFDR (dBc)
SNR (dBFS)
SNR (dBc)
Figure 17. Two-Tone SNR/SFDR vs. Input Amplitude @ 30 MHz and 31 MHz
INPUT AMPLITUDE (dBFS)
SNR/SFDR
(dBc
AND
dBFS)
–30
–27
–24
–21
–18
–15
–12
–9
40
100
90
80
70
60
50
–6
0358
3
-027
SFDR = 90dBc
REFERENCE LINE
SFDR (dBFS)
SFDR (dBc)
SNR (dBFS)
SNR (dBc)
Figure 18. Two-Tone SNR/SFDR vs. Input Amplitude @ 69 MHz and 70 MHz
CODE
DNL
(
L
S
B
)
0
2048
4096
6144
8192
10240 12288 14336
–1.0
1.0
–0.8
–0.6
–0.4
–0.2
0
0.2
0.4
0.6
0.8
16384
0358
3-
028
Figure 19. Typical DNL
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