参数资料
型号: ADA4950-1YCP-EBZ
厂商: Analog Devices Inc
文件页数: 3/28页
文件大小: 0K
描述: BOARD EVAL FOR ADA4950-1YCP
标准包装: 1
每 IC 通道数: 1 - 单
放大器类型: 差分
板类型: 裸(未填充)
已供物品:
已用 IC / 零件: 16-LFCSP 封装
Data Sheet
ADA4950-1/ADA4950-2
Rev. A | Page 11 of 28
–0.5
–0.4
–0.3
–0.2
–0.1
0
0.1
0.2
0.3
0.4
0.5
1
10
100
1000
C
LOS
E
D
-LOOP
GA
IN
(
dB
)
07957-
019
VOUT, dm = 100mV p-p
FREQUENCY (MHz)
ADA4950-1, RL = 1k
ADA4950-1, RL = 200
ADA4950-2, AMP 1, RL = 1k
ADA4950-2, AMP 1, RL = 200
ADA4950-2, AMP 2, RL = 1k
ADA4950-2, AMP 2, RL = 200
Figure 19. 0.1 dB Flatness, Small-Signal Frequency Response for Various
Loads
–8
–7
–6
–5
–4
–3
–2
–1
0
1
2
1
10
100
FREQUENCY (MHz)
1000
07957-
020
V
O
CM
G
AI
N
(
d
B)
VOCM (AC) = 100mV p-p
VOCM = –2.5VDC
VOCM = 0V
VOCM = +2.5VDC
Figure 20. VOCM Small-Signal Frequency Response at Various DC Levels
–140
–130
–120
–110
–100
–90
–80
–70
–60
–50
–40
HARM
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
0.1
1
10
100
07957-
021
Figure 21. Harmonic Distortion vs. Frequency at Various Loads
–0.5
–0.4
–0.3
–0.2
–0.1
0
0.1
0.2
0.3
0.4
0.5
1
10
100
1000
C
LOS
E
D
-LOOP
GA
IN
(
dB
)
ADA4950-1, RL = 1k
ADA4950-1, RL = 200
ADA4950-2, AMP 1, RL = 1k
ADA4950-2, AMP 1, RL = 200
ADA4950-2, AMP 2, RL = 1k
ADA4950-2, AMP 2, RL = 200
07957-
022
VOUT, dm = 2V p-p
FREQUENCY (MHz)
Figure 22. 0.1 dB Flatness, Large-Signal Frequency Response for Various Loads
–8
–7
–6
–5
–4
–3
–2
–1
0
1
2
1
10
100
1000
07957-
023
V
O
CM
G
AI
N
(
d
B)
VOCM (AC) = 2V p-p
VOCM = –2.5VDC
VOCM = 0V
VOCM = +2.5VDC
FREQUENCY (MHz)
Figure 23. VOCM Large-Signal Frequency Response at Various DC Levels
–140
–130
–120
–110
–100
–90
–80
–70
–60
–50
–40
HARM
O
NI
C
DI
S
T
O
RT
IO
N
(
d
Bc)
FREQUENCY (MHz)
VOUT, dm = 2V p-p
0.1
1
10
100
HD2, G = 1
HD3, G = 1
HD2, G = 2
HD3, G = 2
HD2, G = 3
HD3, G = 3
07957-
024
Figure 24. Harmonic Distortion vs. Frequency at Various Gains
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