參數(shù)資料
型號: LM4917
廠商: National Semiconductor Corporation
英文描述: Ground-Referenced, 95mW Stereo Headphone Amplifier
中文描述: 地為參考,95mW立體聲耳機(jī)放大器
文件頁數(shù): 5/18頁
文件大?。?/td> 1208K
代理商: LM4917
External Components Description
(
Figure 1
)
Components
1.
Functional Description
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 f
c
= 1 / (2
π
R
i
C
i
).
Input coupling capacitor which blocks the DC voltage at the amplifier’s input terminals. Also creates a
high-pass filter with R
i
at f
c
= 1 / (2
π
R
i
C
i
). Refer to the section
Proper Selection of External Components,
for an explanation of how to determine the value of C
i
.
Feedback resistance which sets the closed-loop gain in conjunction with R
i
.
Flying capacitor. Low ESR ceramic capacitor (
100m
)
Output capacitor. Low ESR ceramic capacitor (
100m
)
Tantalum capacitor. 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.
Ceramic capacitor. 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.
2.
C
i
3.
4.
5.
6.
R
f
C
1
C
2
C
3
7.
C
4
L
www.national.com
5
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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