参数资料
| 型号： | ADA4891-3ARZ-R7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 24/24页 |
| 文件大小： | 0K |
| 描述： | IC OPAMP GP R-R CMOS 14SOIC |
| 标准包装： | 1 |
| 放大器类型： | 通用 |
| 电路数： | 3 |
| 输出类型： | 满摆幅 |
| 转换速率： | 210 V/µs |
| -3db带宽： | 240MHz |
| 电流 - 输入偏压： | 2pA |
| 电压 - 输入偏移： | 2500µV |
| 电流 - 电源： | 4.4mA |
| 电流 - 输出 / 通道： | 125mA |
| 电压 - 电源，单路/双路(±)： | 2.7 V ~ 5.5 V，±1.35 V ~ 2.75 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 14-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 14-SOIC |
| 包装： | 标准包装 |
| 其它名称： | ADA4891-3ARZ-R7DKR |
Data Sheet
ADA4891-1/ADA4891-2/ADA4891-3/ADA4891-4
Rev. E | Page 9 of 24
1
0
–1
–2
–3
–4
–5
–6
–7
–8
–9
–10
0.1
1
10
100
1k
FREQUENCY (MHz)
NO
RM
AL
IZ
E
D
C
L
O
S
E
D-
L
O
P
G
AI
N
(
d
B)
08
05
4-
0
37
VS = 3V
RF = 604
RL = 150
G = –1
VOUT = 2V p-p
G = +2
VOUT = 2V p-p
G = +1
VOUT = 1V p-p
G = +5
VOUT = 2V p-p
Figure 19. Large-Signal Frequency Response vs. Gain, VS = 3 V,
ADA4891-1/ADA4891-2
–120
–110
–100
–90
–80
–70
–60
–50
–40
0.1
1
10
D
IS
T
OR
T
ION
(
d
B
c)
FREQUENCY (MHz)
VS = 5V
RL = 1k
VOUT = 2V p-p
G = +2
SECOND HARMONIC
G = +1
SECOND HARMONIC
G = +1
THIRD HARMONIC
G = +2
THIRD HARMONIC
08
05
4-
03
8
Figure 20. Harmonic Distortion (HD2, HD3) vs. Frequency, VS = 5 V
–120
–110
–100
–90
–80
–70
–60
–50
–40
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
DI
S
T
O
R
T
IO
N
(
d
Bc)
OUTPUT VOLTAGE (V p-p)
G = +1
THIRD HARMONIC
VS = 5V
RF = 604
RL = 1k
fC = 1MHz
G = –1
THIRD HARMONIC
G = –1
SECOND HARMONIC
G = +1
SECOND HARMONIC
0
80
54
-0
40
Figure 21. Harmonic Distortion (HD2, HD3) vs. Output Voltage, VS = 5 V
1
0
–1
–2
–3
–4
–5
–6
–7
–8
–9
–10
0.1
1
10
100
1k
FREQUENCY (MHz)
NO
RM
AL
IZ
E
D
C
L
O
S
E
D-
L
O
P
G
AI
N
(
d
B)
08
05
4-
0
82
VS = 3V
RF = 453
RL = 150
G = +2
VOUT = 2V p-p
G = –1
VOUT = 2V p-p
G = +5
VOUT = 2V p-p
G = +1
VOUT = 1V p-p
Figure 22. Large-Signal Frequency Response vs. Gain, VS = 3 V,
ADA4891-3/ADA4891-4
–90
–80
–70
–60
–50
–40
–30
0.1
1
10
DI
S
T
O
R
T
IO
N
(
d
Bc)
FREQUENCY (MHz)
G = +1
SECOND HARMONIC
G = +1
THIRD HARMONIC
G = +2
SECOND HARMONIC
VS = 3V
RL = 1k
VOUT = 2V p-p
OUT
IN
+VS = +1.9V
–VS = –1.1V
G = +1 CONFIGURATION
1k
50
G = +2
THIRD HARMONIC
0
8054
-039
Figure 23. Harmonic Distortion (HD2, HD3) vs. Frequency, VS = 3 V
–120
–110
–100
–90
–80
–70
–60
–50
–40
0
0.51.01.52.02.53.0
D
IS
T
OR
TI
ON
(dB
c)
OUTPUT VOLTAGE (V p-p)
VS = 3V
fC = 1MHz
G = –1
SECOND HARMONIC
G = –1
THIRD HARMONIC
G = +1
THIRD HARMONIC
G = +1
SECOND HARMONIC
08
054
-041
OUT
IN
+VS = +1.9V
–VS = –1.1V
1k
50
G = +1
CONFIGURATION
Figure 24. Harmonic Distortion (HD2, HD3) vs. Output Voltage, VS = 3 V
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| ADA4891-3ARZ-R7_PROMO | 制造商:Analog Devices 功能描述:OP-AMP 220MHZ 210V/US 2.5MV |
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| ADA4891-4 | 制造商:AD 制造商全称:Analog Devices 功能描述:Low Cost CMOS, High Speed, Rail-to-Rail Amplifiers |
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