参数资料
型号: ADA4938-2ACPZ-RL
厂商: Analog Devices Inc
文件页数: 5/28页
文件大小: 0K
描述: IC ADC DRIVER DUAL DIFF 24LFCSP
标准包装: 5,000
类型: ADC 驱动器
应用: 数据采集
安装类型: 表面贴装
封装/外壳: 24-VFQFN 裸露焊盘,CSP
供应商设备封装: 24-LFCSP-VQ(4x4)
包装: 带卷 (TR)
ADA4938-1/ADA4938-2
Rev. A | Page 13 of 28
10
–110
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
29.5
30.5
30.4
30.3
30.2
30.1
30.0
29.9
29.8
29.7
29.6
D
IS
T
OR
T
ION
(
d
B
c
)
FREQUENCY (MHz)
06
59
2-
1
29
Figure 31. Intermodulation Distortion
–20
–85
–80
–75
–70
–65
–60
–55
–50
–45
–40
–35
–30
–25
0.1
1000
100
10
1
V
IN
C
M
RR
(
d
B)
FREQUENCY (MHz)
06
59
2-
1
30
VS = +5V
VS = ±5V
Figure 32. VIN CMRR vs. Frequency
–15
–65
–60
–55
–50
–45
–40
–35
–30
–25
–20
1
1000
100
10
O
U
T
P
U
T
BAL
ANCE
(d
B)
FREQUENCY (MHz)
06
59
2-
1
31
RL = 200
Figure 33. Output Balance vs. Frequency
0
–5
–10
–15
–20
–25
–30
–35
–40
–45
–50
–55
–60
–65
–70
–75
–80
–85
0.1
1000
100
10
1
PSR
R
(d
B
)
FREQUENCY (MHz)
06
59
2-
1
32
+PSRR
–PSRR
Figure 34. PSRR vs. Frequency
0
–55
–50
–45
–40
–35
–30
–25
–20
–15
–10
–5
1
10
100
1000
RE
T
URN
L
O
S
(d
B
)
FREQUENCY (MHz)
S11
S22
06
59
2-
1
34
Figure 35. Return Loss (S11, S22) vs. Frequency
1
10
100
–40
–120
–110
–100
–90
–80
–70
–60
–50
SF
D
R
(d
B
c
)
FREQUENCY (MHz)
RL = 1k
RL = 200
RL = 100
06
59
2-
1
35
Figure 36. SFDR vs. Frequency for Various Loads
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