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參數(shù)資料
| 型號： | TSH310ILT |
| 廠商： | 意法半導體 |
| 英文描述： | 400A High-Speed Operational Amplifier |
| 中文描述： | 四樓高速運算放大器 |
| 文件頁數(shù)： | 12/19頁 |
| 文件大?。?/td> | 449K |
| 代理商： | TSH310ILT |
TSH310
Noise Measurements
12/19
5 Noise Measurements
The noise model is shown in
Figure 28
, where:
eN: input voltage noise of the amplifier
iNn: negative input current noise of the amplifier
iNp: positive input current noise of the amplifier
The thermal noise of a resistance R is:
where
F is the specified bandwidth.
On a 1Hz bandwidth the thermal noise is reduced to
where k is the Boltzmann's constant, equal to 1,374.10-23J/°K. T is the temperature (°K).
The output noise eNo is calculated using the Superposition Theorem. However eNo is not the simple sum
of all noise sources, but rather the square root of the sum of the square of each noise source, as shown
in
Equation 1
:
Equation 1
Equation 2
Figure 28: Noise model
+
_
R3
R1
output
R2
iN-
iN+
8nV/
√
Hz
N1
N2
N3
eN
HP3577
Input noise:
4kTR
F
4kTR
eNo
V12
V22
V32
V42
V52
V62
+
+
+
+
+
=
eNo
2
eN
2
g
2
iNn
2
R
22
iNp
2
+
×
+
×
R
32
×
g
2
×
2
R
1
-------
2
4
kTR
1
4
kTR
2
1
2
R
1
-------
+
2
4
kTR
3
×
+
+
×
+
=
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相關代理商/技術參數(shù) |
參數(shù)描述 |
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| TSH31I | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:280MHz BANDWIDTH MOS INPUT SINGLE OPERATIONAL AMPLIFIER |
| TSH31ID | 功能描述:運算放大器 - 運放 Single MOS Input RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風格:SMD/SMT 封裝 / 箱體:QFN-16 轉換速度:0.89 V/us 關閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| TSH31IDT | 功能描述:運算放大器 - 運放 Single MOS Input RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風格:SMD/SMT 封裝 / 箱體:QFN-16 轉換速度:0.89 V/us 關閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| TSH31IN | 功能描述:運算放大器 - 運放 Single MOS Input RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風格:SMD/SMT 封裝 / 箱體:QFN-16 轉換速度:0.89 V/us 關閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| TSH321 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:WIDE BANDWIDTH AND MOS INPUTS SINGLE OPERATIONAL AMPLIFIER |
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