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参数资料
| 型号： | TSH350 |
| 厂商： | 意法半导体 |
| 英文描述： | 550 MHz, Low Noise Current Feedback Amplifier |
| 中文描述： | 550兆赫，低噪声电流反馈放大器 |
| 文件页数： | 17/21页 |
| 文件大小： | 383K |
| 代理商： | TSH350 |
Active Filtering
TSH350
17/21
8 Active Filtering
From the resistors R
fb
and R
G
we can directly calculate the gain of the filter in a classical non-inverting
amplification configuration:
We assume the following expression as the response of the system:
The cut-off frequency is not gain-dependent and so becomes:
The damping factor is calculated by the following expression:
The higher the gain, the more sensitive the damping factor is. When the gain is higher than 1, it is
preferable to use some very stable resistor and capacitor values. In the case of R1=R2=R:
Figure 35: Low-pass active filtering, Sallen-Key
+
_
R
G
IN
R
fb
100
OUT
R
1
R
2
C
2
C
1
AV
g
1
Rg
+
=
=
Tj
ω
ω
Vinj
ω
Voutj
1
2
ζ
ω
ω
c
j
ω
-j
(
)
2
2
ω
c
+
+
---------------------g
=
=
ω
c
R1R2C1C2
----------------1
=
ζ
1
2
ω
cC1R1
C1R2
C2R1
C1R1g
–
+
+
)
=
ζ
2C2
--------------------------Rg
C1
Rfb
–
2 C1C2
=
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TSH350_07 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:550MHz low noise current feedback amplifier |
| TSH350I | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:550MHz low noise current feedback amplifier |
| TSH350ID | 功能描述:高速运算放大器 550 MHz Lo noise current feedback amp RoHS:否 制造商:Texas Instruments 通道数量:1 电压增益 dB:116 dB 输入补偿电压:0.5 mV 转换速度:55 V/us 工作电源电压:36 V 电源电流:7.5 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| TSH350IDT | 功能描述:运算放大器 - 运放 Single Low Noise RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比（最小值）:63 dB 输入补偿电压:1 mV 输入偏流（最大值）:10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel |
| TSH350ILT | 功能描述:运算放大器 - 运放 Single Low Noise RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比（最小值）:63 dB 输入补偿电压:1 mV 输入偏流（最大值）:10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel |
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