参数资料
型号: AD9279BBCZ
厂商: Analog Devices Inc
文件页数: 6/44页
文件大小: 0K
描述: IC ADC 12BIT 80MSPS 144CSPBGA
标准包装: 1
类型: AAF,ADC,解调器,LNA,VGA
分辨率(位): 12 b
采样率(每秒): 80M
数据接口: 串行,SPI?
电压电源: 模拟和数字
电源电压: 1.7 V ~ 1.9 V,2.7 V ~ 3.6 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 144-LFBGA,CSPBGA
供应商设备封装: 144-CSPBGA(10x10)
包装: 托盘
AD9279
Rev. 0 | Page 14 of 44
70
68
66
64
62
60
58
56
54
52
50
0.8
0
0.2
0.4
0.6
1.0
1.2
1.4
1.6
GAIN+ (V)
S
NR/
S
INA
D
(
d
BF
S
)
09
42
3-
01
1
SNR
SINAD
PGA = 21dB
PGA = 30dB
Figure 12. SNR/SINAD vs. GAIN+, AIN = 45 dBm
0
–2
–4
–6
–8
–10
–12
–14
–16
–18
0
5
10
15
20
INPUT FREQUENCY (MHz)
AM
P
L
IT
UD
E
(
d
BF
S
)
09
42
3-
01
2
MODE III = 80MSPS
MODE II = 65MSPS
MODE I = 40MSPS
Figure 13. Antialiasing Filter (AAF) Pass-Band Response,
LPF Cutoff = 1 × (1/4.5) × fSAMPLE
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
04
8
12
14
2
6
10
16
INPUT FREQUENCY (MHz)
S
E
CO
ND-
O
RDE
R
H
ARM
O
NI
C
DI
S
T
O
R
T
IO
N
(
d
BF
S
)
09
42
3-
01
3
GAIN+ = 1.6V
GAIN+ = 1.0V
GAIN+ = 0.4V
Figure 14. Second-Order Harmonic Distortion vs. Frequency,
AOUT = 1.0 dBFS
0
–10
–20
–30
–40
–60
–70
–80
–50
04
8
12
14
2
6
10
16
INPUT FREQUENCY (MHz)
T
H
IR
D-
O
RD
E
R
HAR
M
O
NI
C
DI
S
T
O
RT
IO
N
(d
BF
S
)
09
42
3-
01
4
GAIN+ = 1.6V
GAIN+ = 1.0V
GAIN+ = 0.4V
Figure 15. Third-Order Harmonic Distortion vs. Frequency, AOUT = 1.0 dBFS
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–40
–30
–20
–10
–5
–35
–25
–15
0
ADC OUTPUT LEVEL (dBFS)
S
E
CO
ND-
O
RDE
R
H
ARM
O
NI
C
DI
S
T
O
R
T
IO
N
(
d
BF
S
)
09
42
3-
01
5
GAIN+ = 1.6V
GAIN+ = 1.0V
GAIN+ = 0.4V
Figure 16. Second-Order Harmonic Distortion vs. ADC Output Level, AOUT
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–40
–30
–20
–10
–5
–35
–25
–15
0
ADC OUTPUT LEVEL (dBFS)
T
H
IR
D-
O
RD
E
R
HAR
M
O
NI
C
DI
S
T
O
RT
IO
N
(d
BF
S
)
09
42
3-
01
6
GAIN+ = 1.6V
GAIN+ = 1.0V
GAIN+ = 0.4V
Figure 17. Third-Order Harmonic Distortion vs. ADC Output Level
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