參數(shù)資料
型號： ADA4939-2YCP-EBZ
廠商： Analog Devices Inc
文件頁數(shù)： 2/24頁
文件大?。?/td> 0K
描述： BOARD EVAL FOR ADA4939-2YCP
標(biāo)準(zhǔn)包裝： 1
每 IC 通道數(shù)： 2 - 雙
放大器類型： 差分
板類型： 裸（未填充）
已供物品： 板
已用 IC / 零件： 24-LFCSP 封裝
ADA4939-1/ADA4939-2
Rev. 0 | Page 10 of 24
3
–12
–10
–8
–6
–4
–2
0
2
–11
–9
–7
–5
–3
–1
1
10
100
1k
NO
RM
AL
IZ
E
D
CL
O
S
E
D
-L
O
P
G
AI
N
(
d
B)
FREQUENCY (MHz)
RL = 1k
RL = 200
07
42
9-
0
13
VOUT, dm = 100mV p-p
Figure 13. Small Signal Frequency Response for Various Loads
6
–9
–6
–3
3
0
1
10
100
1k
V
OC
M
GA
IN
(d
B
)
FREQUENCY (MHz)
VOCM = 1.0V
VOCM = 3.9V
VOCM = 2.5V
07
42
9-
0
19
VOUT, dm = 100mV p-p
Figure 14. VOCM Small Signal Frequency Response at Various DC Levels
0.5
–0.5
–0.4
–0.3
–0.2
–0.1
0
0.1
0.2
0.3
0.4
1
10
100
1k
NO
RM
AL
IZ
E
D
CL
O
S
E
D
-L
O
P
G
AI
N
(
d
B)
FREQUENCY (MHz)
RL = 1k
RL = 200
RL = 1k OUT1
RL = 1k OUT2
RL = 200 OUT1
RL = 200 OUT2
07
42
9-
0
20
VOUT, dm = 100mV p-p
Figure 15. 0.1 dB Flatness Small Signal Response for Various Loads
3
–12
–10
–8
–6
–4
–2
0
2
–11
–9
–7
–5
–3
–1
1
10
100
1k
NO
RM
AL
IZ
E
D
CL
O
S
E
D
-L
O
P
G
AI
N
(
d
B)
FREQUENCY (MHz)
RL = 1k
RL = 200
07
42
9-
0
16
VOUT, dm = 2V p-p
Figure 16. Large Signal Frequency Response for Various Loads
–55
–115
–110
–105
–100
–95
–90
–85
–80
–75
–70
–65
–60
1
10
100
H
ARM
O
N
IC
DI
S
T
O
R
T
IO
N
(
d
Bc)
FREQUENCY (MHz)
VOUT, dm = 2V p-p
HD2, G = 2
HD3, G = 2
HD2, G = 3.16
HD3, G = 3.16
HD2, G = 5
HD3, G = 5
07
42
9-
0
22
Figure 17. Harmonic Distortion vs. Frequency at Various Gains
–60
–110
–105
–100
–95
–90
–85
–80
–75
–70
–65
1
10
100
HAR
M
O
NI
C
DI
S
T
O
RT
IO
N
(
d
Bc)
FREQUENCY (MHz)
HD2, RL, dm = 1k
HD3, RL, dm = 1k
HD2, RL, dm = 200
HD3, RL, dm = 200
VOUT, dm = 2V p-p
VS = ±2.5V
07
42
9-
0
23
Figure 18. Harmonic Distortion vs. Frequency at Various Loads
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