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參數(shù)資料
| 型號： | MAX4180ESA |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 運動控制電子 |
| 英文描述： | Single/Dual/Quad, 270MHz, 1mA, SOT23, Current-Feedback Amplifiers with Shutdown |
| 中文描述： | OP-AMP, 7000 uV OFFSET-MAX, 245 MHz BAND WIDTH, PDSO8 |
| 封裝： | SO-8 |
| 文件頁數(shù)： | 17/24頁 |
| 文件大?。?/td> | 364K |
| 代理商： | MAX4180ESA |
M
S ingle/Dual/Quad, 270MHz, 1mA, S OT 23,
Current-Feedbac k Amplifiers with S hutdown
______________________________________________________________________________________
17
Table 1. Recommended Component Values
Choosing Feedbac k and Gain Resistors
The optimum value of the external-feedback (R
F
) and
gain-setting (R
G
) resistors used with the MAX4180–
MAX4187 depends on the closed-loop gain and the
application circuit’s load. Table 1 lists the optimum
resistor values for some specific gain configurations.
One-percent resistor values are preferred to maintain
consistency over a wide range of production lots.
Figures 4a and 4b show the standard inverting and
noninverting configurations. Note that the noninverting
circuit gain (Figure 4) is 1 plus the magnitude of the
inverting closed-loop gain. Otherwise, the two circuits
are identical.
DC and Noise Errors
Several major error sources must be considered in any
op amp. These apply equally to the MAX4180–
MAX4187. Offset-error terms are given by the equation
below. Voltage and current-noise errors are root-square
summed and are therefore computed separately. In
Figure 5, the total output offset voltage is determined by
the following factors:
The input offset voltage (V
OS
) times the closed-loop
gain (1 = R
F
/ R
G
).
The positive input bias current (I
B+
) times the source
resistor (R
S
) (usually 50
or 75
), plus the negative
input bias current (I
B-
) times the parallel combination
of R
G
and R
F
. In current-feedback amplifiers, the
input bias currents at the IN+ and IN- terminals do
not track each other and may have opposite polarity,
so there is no benefit to matching the resistance at
both inputs.
The equation for the total DC error at the output is:
The total output-referred noise voltage is:
e
R
R
i
R
)
i
R
)
R
e
n OUT
(
F
G
n
S
n
F
G
n
)
||
=
+
(
[
]
+
(
[
]
+
( )
+
1
2
2
2
V
OUT
||
=
(
)
+
(
)
(
)
+
[
]
+
+
I
R
I
R
R
V
R
R
B
S
B
F
G
OS
F
G
1
245
1.2k
1.2k
R
L
= 1k
190
680
680
R
L
=
100
-3dB BW (MHz)
190
820
820
R
L
= 150
R
G
(
)
R
F
(
)
COMPONENT/BW
105
180
750
R
L
=
1k
/150
A
V
= +10V/V
205
—
1k
R
L
=
150
120
270
—
2.4k
R
L
= 1k
220
910
R
L
=
1k
/150
A
V
= +5V/V
200
—
560
R
L
=
100
A
V
= +2V/V
A
V
= +1V/V
MAX4180
MAX4181
A
V
= +2V/V
245
1k
1k
R
L
=
1k
160
MAX4182/MAX4183
620
620
R
L
=
100
-3dB BW
(MHz)
190
680
680
R
L
=
150
R
G
(
)
R
F
(
)
COMPONENT/
BW
A
V
= +2V/V
245
1.1k
1.1k
R
L
=
1k
175
MAX4186
680
680
R
L
=
100
190
750
750
R
L
=
150
A
V
= +1V/V
270
—
1.6k
R
L
=
1k
200
MAX4187
—
680
R
L
=
100
205
—
910
R
L
=
150
A
V
= +1V/V
270
—
1.5k
R
L
=
1k
180
MAX4184/MAX4185
—
620
R
L
=
100
205
—
750
R
L
=
150
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| MAX4183EUB | Single/Dual/Quad, 270MHz, 1mA, SOT23, Current-Feedback Amplifiers with Shutdown |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4180ESA+ | 功能描述:視頻放大器 Single 270MHz 1mA Current-Feedback RoHS:否 制造商:ON Semiconductor 通道數(shù)量:4 電源類型: 工作電源電壓:3.3 V, 5 V 電源電流: 最小工作溫度: 最大工作溫度: 封裝 / 箱體:TSSOP-14 封裝:Reel |
| MAX4180ESA+T | 功能描述:視頻放大器 Single 270MHz 1mA Current-Feedback RoHS:否 制造商:ON Semiconductor 通道數(shù)量:4 電源類型: 工作電源電壓:3.3 V, 5 V 電源電流: 最小工作溫度: 最大工作溫度: 封裝 / 箱體:TSSOP-14 封裝:Reel |
| MAX4180ESA-T | 功能描述:視頻放大器 RoHS:否 制造商:ON Semiconductor 通道數(shù)量:4 電源類型: 工作電源電壓:3.3 V, 5 V 電源電流: 最小工作溫度: 最大工作溫度: 封裝 / 箱體:TSSOP-14 封裝:Reel |
| MAX4180EUT | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX4180EUT+T | 功能描述:視頻放大器 Single 270MHz 1mA Current-Feedback RoHS:否 制造商:ON Semiconductor 通道數(shù)量:4 電源類型: 工作電源電壓:3.3 V, 5 V 電源電流: 最小工作溫度: 最大工作溫度: 封裝 / 箱體:TSSOP-14 封裝:Reel |
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