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參數(shù)資料
| 型號： | LM4881N/NOPB |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 0.3 W, 2 CHANNEL, AUDIO AMPLIFIER, PDIP8 |
| 封裝： | MDIP-8 |
| 文件頁數(shù)： | 10/14頁 |
| 文件大?。?/td> | 475K |
| 代理商： | LM4881N/NOPB |
External Components Description
Components
Functional Description
1. R
i
Inverting input resistance which sets the closed-loop gain in conjuction with R
f. This resistor also forms
a high pass filter with C
i at fc =1/(2
πR
iCi).
2. C
i
Input coupling capacitor which blocks the DC voltage at the amplifier’s input terminals. Also creates a
highpass filter with R
i at fc =1/(2
πR
iC i). Refer to the section, Proper Selection of External
Components, for and explanation of how to determine the value of C
i.
3. R
f
Feedback resistance which sets closed-loop gain in conjuction with R
i.
4. C
S
Supply bypass capacitor which provides power supply filtering. Refer to the Application Information
section for proper placement and selection of the supply bypass capacitor.
5. C
B
Bypass pin capacitor which provides half-supply filtering. Refer to the section, Proper Selection of
External Components, for information concerning proper placement and selection of C
B.
6. C
O
Output coupling capacitor which blocks the DC voltage at the amplifier’s output. Forms a high pass
filter with R
L at fO = 1/(2
πR
LCO)
Typical Performance Characteristics
THD+N vs Frequency
10000503
10000504
THD+N vs Frequency
10000505
10000506
LM4881
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 |
|---|---|
| LM4882 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:250mW Audio Power Amplifier with Shutdown Mode |
| LM48820 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Ground-Referenced, Ultra Low Noise, Fixed Gain, 95mW Stereo Headphone Amplifier |
| LM48820TM | 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| LM48820TM/NOPB | 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| LM48820TMBD | 功能描述:BOARD EVAL GROUND REF AUDIO AMP RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 音頻放大器 系列:Boomer®, PowerWise® 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- |
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