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參數(shù)資料
| 型號(hào)： | LM4880 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Dual 250 mW Audio Power Amplifier with Shutdown Mode |
| 中文描述： | 雙250毫瓦音頻功率放大器關(guān)斷模式 |
| 文件頁數(shù)： | 4/12頁 |
| 文件大小： | 375K |
| 代理商： | LM4880 |
Automatic Shutdown Circuit
Automatic Switching Circuit
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 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 closed-loop gain in conjunction with R
i
.
2.
C
i
3.
R
F
DS012343-3
FIGURE 2. Automatic Shutdown Circuit
DS012343-4
FIGURE 3. Automatic Switching Circuit
www.national.com
4
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| LM4880N | Dual 250 mW Audio Power Amplifier with Shutdown Mode |
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| LM4880_07 | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:DUAL 250mW AUDIO POWER AMPLIFIER WITH SHUTDOWN MODE |
| LM4880_12 | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:DUAL 250mW AUDIO POWER AMPLIFIER WITH SHUTDOWN MODE |
| LM4880-D08-T | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:DUAL 250mW AUDIO POWER AMPLIFIER WITH SHUTDOWN MODE |
| LM4880G-D08-T | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:DUAL 250mW AUDIO POWER AMPLIFIER WITH SHUTDOWN MODE |
| LM4880G-SH2-R | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:DUAL 250mW AUDIO POWER AMPLIFIER WITH SHUTDOWN MODE |
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