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参数资料
| 型号： | 5962F0723201VXC |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 运算放大器 |
| 英文描述： | OP-AMP, 550 MHz BAND WIDTH, CDFP8 |
| 封装： | ROHS COMPLIANT, HERMETIC SEALED, CERAMIC, FP-8 |
| 文件页数： | 7/20页 |
| 文件大小： | 397K |
| 代理商： | 5962F0723201VXC |
RHF350
Inverting amplifier biasing
Doc ID 15604 Rev 2
15/20
6
Inverting amplifier biasing
A resistance is necessary to achieve good input biasing, such as resistance R shown in
.
The value of this resistance is calculated from the negative and positive input bias current.
The aim is to compensate for the offset bias current, which can affect the input offset voltage
and the output DC component. Assuming Iib-, Iib+, Rin, Rfb and a 0 V output, the resistance
R is:
Figure 28.
Compensation of the input bias current
R
in
R
fb
×
R
in
R
+
fb
------------------------
=
R
Load
Output
R
fb
R
in
I
ib
-
I
ib
+
V
CC+
V
CC
-
+
_
AM00839
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相关代理商/技术参数 |
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| 5962F1023501KXA | 制造商:International Rectifier 功能描述:RAD HARD ULDO - Bulk |
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| 5962F1023502K5A | 制造商:International Rectifier 功能描述:RAD HARD ULDO - Bulk |
| 5962F1023502K6A | 制造商:International Rectifier 功能描述:RAD HARD ULDO - Bulk |
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