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參數資料
| 型號： | LM4917 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Ground-Referenced, 95mW Stereo Headphone Amplifier |
| 中文描述： | 地為參考，95mW立體聲耳機放大器 |
| 文件頁數： | 5/18頁 |
| 文件大小： | 1208K |
| 代理商： | LM4917 |
External Components Description
(
Figure 1
)
Components
1.
Functional Description
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 the closed-loop gain in conjunction with R
i
.
Flying capacitor. Low ESR ceramic capacitor (
≤
100m
)
Output capacitor. Low ESR ceramic capacitor (
≤
100m
)
Tantalum capacitor. Supply bypass capacitor which provides power supply filtering. Refer to the Power Supply
Bypassing section for information concerning proper placement and selection of the supply bypass capacitor.
Ceramic capacitor. Supply bypass capacitor which provides power supply filtering. Refer to the Power Supply
Bypassing section for information concerning proper placement and selection of the supply bypass capacitor.
2.
C
i
3.
4.
5.
6.
R
f
C
1
C
2
C
3
7.
C
4
L
www.national.com
5
相關PDF資料 |
PDF描述 |
|---|---|
| LM4917MT | Ground-Referenced, 95mW Stereo Headphone Amplifier |
| LM4917SD | Ground-Referenced, 95mW Stereo Headphone Amplifier |
| LM4918 | Stereo Audio Amp with AGC Control |
| LM4918LQ | Stereo Audio Amp with AGC Control |
| LM4924 | 2 Cell Battery, 40mW Per Channel Output Capacitor-Less(OCL) Stereo Headphone Audio Amplifier |
相關代理商/技術參數 |
參數描述 |
|---|---|
| LM4917MT | 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產品: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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| LM4917MT/NOPB | 功能描述:音頻放大器 95mW St Headphone Amp RoHS:否 制造商:STMicroelectronics 產品: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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| LM4917MTBD | 功能描述:BOARD EVALUATION LM4917MT RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 音頻放大器 系列:Boomer® 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:- |
| LM4917MTX | 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產品: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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| LM4917MTX/NOPB | 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產品: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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
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