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参数资料
| 型号： | LM4810LD/NOPB |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 0.105 W, 2 CHANNEL, AUDIO AMPLIFIER, DSO8 |
| 封装： | LLP-8 |
| 文件页数： | 14/18页 |
| 文件大小： | 928K |
| 代理商： | LM4810LD/NOPB |
External Components Description (Figure 1)
Components
Functional Description
1. R
i
The inverting input resistance, along with R
f, set the closed-loop gain. Ri, along with Ci, form a high
pass filter with f
c = 1/(2
πR
iCi).
2. C
i
The input coupling capacitor blocks DC voltage at the amplifier’s input terminals. C
i, along with Ri,
create a highpass filter with f
c = 1/(2
πR
iCi). Refer to the section, Selecting Proper External
Components, for an explanation of determining the value of C
i.
3. R
f
The feedback resistance, along with R
i, set closed-loop gain.
4. C
S
This is the supply bypass capacitor. It provides power supply filtering. Refer to the Application
Information section for proper placement and selection of the supply bypass capacitor.
5. C
B
This is the BYPASS pin capacitor. It provides half-supply filtering. Refer to the section, Selecting
Proper External Components, for information concerning proper placement and selection of C
B.
6. C
O
This is the output coupling capacitor. It blocks the DC voltage at the amplifier’s output and forms a high
pass filter with R
L at fO = 1/(2
πR
LCO)
Typical Performance Characteristics
THD+N vs Frequency
20008985
20008964
THD+N vs Frequency
20008965
20008966
LM4810
www.national.com
5
相关PDF资料 |
PDF描述 |
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| LM4810M | 0.105 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
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| LM4817MH/NOPB | 1.5 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO28 |
| LM4818M/NOPB | 0.35 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LM4810MA | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Dual 105mW Headphone Amplifier with Active-High Shutdown Mode |
| LM4810MA/NOPB | 功能描述:IC AMP AUDIO PWR .105W AB 8SOIC RoHS:是 类别:集成电路 (IC) >> 线性 - 音頻放大器 系列:Boomer® 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:DirectDrive® 类型:H 类 输出类型:耳机，2-通道（立体声） 在某负载时最大输出功率 x 通道数量:35mW x 2 @ 16 欧姆 电源电压:1.62 V ~ 1.98 V 特点:I²C，麦克风，静音，短路保护，音量控制 安装类型:表面贴装 供应商设备封装:25-WLP（2.09x2.09） 封装/外壳:25-WFBGA，WLCSP 包装:带卷 (TR) |
| LM4810MM | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Dual 105mW Headphone Amplifier with Active-High Shutdown Mode |
| LM4810MM/NOPB | 功能描述:音频放大器 LM4810 Dual 105mW Headphone 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 |
| LM4810MMX/NOPB | 功能描述:音频放大器 LM4810 Dual 105mW Headphone 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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