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参数资料
| 型号： | LM4880L-D08-T |
| 厂商： | UNISONIC TECHNOLOGIES CO LTD |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 0.35 W, 2 CHANNEL, AUDIO AMPLIFIER, PDIP8 |
| 封装： | LEAD FREE, DIP-8 |
| 文件页数： | 6/11页 |
| 文件大小： | 285K |
| 代理商： | LM4880L-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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PDF描述 |
|---|---|
| LM4880L-SH2-R | 0.35 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
| LM4880L-SH2-T | 0.35 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LM4880L-SH2-R | 制造商:UTC-IC 制造商全称:UTC-IC 功能描述:DUAL 250mW AUDIO POWER AMPLIFIER WITH SHUTDOWN MODE |
| LM4880L-SH2-T | 制造商:UTC-IC 制造商全称:UTC-IC 功能描述:DUAL 250mW AUDIO POWER AMPLIFIER WITH SHUTDOWN MODE |
| LM4880M | 功能描述:音频放大器 RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| LM4880M | 制造商:Texas Instruments 功能描述:AMP AUDIO DUAL 0.25W 4880 SOIC8 |
| LM4880M/NOPB | 功能描述:音频放大器 Dual 200 mW Audio Pwr Amp RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
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