参数资料
型号: ADA4938-2ACPZ-RL
厂商: Analog Devices Inc
文件页数: 3/28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 11 of 28
1
10
100
1000
6
–12
–9
–6
–3
3
0
N
OR
M
A
L
IZE
D
GA
IN
(
d
B
)
FREQUENCY (MHz)
G = +1
G = +2
G = +3.16
G = +5
06
59
2-
1
17
Figure 19. Small Signal Frequency Response for Various Gains, RF = 402 Ω,
VS = 5 V, VOUT = 0.1 V p-p
3
–12
–9
–6
–3
0
1
10
100
1000
GA
IN
(
d
B
)
FREQUENCY (MHz)
VS = +5V
VS = ±5V
06
59
2-
1
18
Figure 20. VOUT, cm Small Signal Frequency Response, VOUT = 0.1 V p-p
1
10
100
1000
1.0
–1.0
–0.9
–0.8
–0.7
–0.6
–0.5
–0.4
–0.3
–0.2
–0.1
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
N
OR
M
A
L
IZE
D
GA
IN
(
d
B
)
FREQUENCY (MHz)
RL, dm = 1k
RL, dm = 100
RL, dm = 200
06
59
2-
1
19
Figure 21. 0.1 dB Flatness Response for Various Loads, ADA4938-1,
VOUT = 0.1 V p-p
1
10
100
1000
6
3
0
–3
–6
–9
–12
N
OR
M
A
L
IZE
D
GA
IN
(
d
B
)
FREQUENCY (MHz)
G = +1
G = +2
G = +3.16
G = +5
06
59
2-
1
20
Figure 22. Large Signal Frequency Response for Various Gains, RF = 402 Ω,
VS = 5 V
3
–12
–9
–6
–3
0
1
10
100
1000
GA
IN
(
d
B
)
FREQUENCY (MHz)
VS = +5V
VS = ±5V
06
59
2-
1
21
Figure 23. VOUT, cm Large Signal Frequency Response
1
10
100
1000
1.5
1.4
1.3
1.2
–0.5
–0.4
–0.3
–0.2
–0.1
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
GA
IN
(
d
B
)
FREQUENCY (MHz)
RL, dm = 1k
RL, dm = 100
RL, dm = 200
06
59
2-
1
22
Figure 24. 0.1 dB Flatness Response for Various Loads, ADA4938-2,
VOUT = 0.1 V p-p
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