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參數(shù)資料
| 型號(hào)： | LM4880-D08-T |
| 廠商： | UNISONIC TECHNOLOGIES CO LTD |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 0.35 W, 2 CHANNEL, AUDIO AMPLIFIER, PDIP8 |
| 封裝： | DIP-8 |
| 文件頁(yè)數(shù)： | 6/11頁(yè) |
| 文件大?。?/td> | 285K |
| 代理商： | LM4880-D08-T |
LM4880
CMOS IC
UNISONICTECHNOLOGIESCO.,LTD
4 of 11
www.unisonic.com.tw
QW-R502-033,B
TYPICAL APPLICATION
+
1
7
OUT A
OUT B
Shutdown
Bypass
IN B
6
3
5
2
+
-
+
-
Bias
+
IN A
GND
+
4
8
20k
Ri
Audio
Input
Audio
Input
20k
Ri
VDD/2
50k
0.1 F
CS
20k
R F
+
VDD
*Co
8
or
R L
32
50k
*Co
32
CB
1.0 F
*Ci
20k
RF
8
or
RL
Figure 1.Typical Audio Amplifier Application Circuit
15k
EXTERNAL COMPONENTS DESCRIPTION (Figure 1)
COMPONENTS
FUNCTIONAL DESCRIPTION
1.
Ri
Inverting input resistance which sets the closed-loop gain in conjunction with RF. This resistor
also forms a high pass filter with Ci at fc = 1/(2 RiCi).
2.
Ci
Input coupling capacitor which blocks the DC voltage at the amplifier’s input terminals. Also
creates a high pass filter with Ri at fc = 1/(2 RiCi).
3.
RF
Feedback resistance which sets closed-loop gain in conjunction with Ri.
4.
Cs
Supply bypass capacitor which provides power supply filtering.
5.
CB
Bypass pin capacitor which provides half-supply filtering.
6.
CO
Output coupling capacitor which blocks the DC voltage at the amplifier’s output. Forms a high
pass filter with RL at fo = 1/(2 RLCo).
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| LM4880-SH2-R | 0.35 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
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| LM4880L-SH2-R | 0.35 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| 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 |
| LM4880G-SH2-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 |
| LM4880L-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 |
| LM4880L-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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