參數(shù)資料
型號(hào): LM4900MMX/NOPB
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 音頻/視頻放大
英文描述: 0.675 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8
封裝: 0.118 INCH, PLASTIC, MSOP-8
文件頁(yè)數(shù): 15/19頁(yè)
文件大?。?/td> 772K
代理商: LM4900MMX/NOPB
External Components Description (Figure 1)
Components
Functional Description
1.
R
i
Inverting input resistance which sets the closed-loop gain in conjunction with R
F. This resistor also forms a
high pass filter with C
i at fc = 1/(2π RiCI).
2.
C
i
Input coupling capacitor which blocks the DC voltage at the amplifier’s input terminals. Also creates a
highpass filter with R
i at fc = 1/(2π RiCi). Refer to the section, Proper Selection of External
Components, for an explanation of how to determine the value of C
i.
3.
R
F
Feedback resistance which sets the closed-loop gain in conjunction with R
i.
4.
C
S
Supply bypass capacitor which provides power supply filtering. Refer to the Power Supply Bypassing
section for information concerning proper placement and selection of the supply bypass capacitor.
5.
C
B
Bypass pin capacitor which provides half-supply filtering. Refer to the Proper Selection of External
Components for information concerning proper placement and selection of C
B.
Typical Performance Characteristics
THD+N vs Frequency
DS200064-30
THD+N vs Frequency
DS200064-31
THD+N vs Frequency
DS200064-32
THD+N vs Frequency
DS200064-33
LM4900
www.national.com
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相關(guān)PDF資料
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LM4900MX/NOPB 0.675 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8
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