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參數(shù)資料
| 型號： | LM4810MA |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | Dual 105mW Headphone Amplifier with Active-High Shutdown Mode |
| 中文描述： | 0.105 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
| 封裝： | SOIC-8 |
| 文件頁數(shù)： | 5/18頁 |
| 文件大小： | 928K |
| 代理商： | LM4810MA |
External Components Description
(
Figure 1
)
Components
Functional Description
1. R
i
The inverting input resistance, along with R
f
, set the closed-loop gain. R
i
, along with C
i
, form a high
pass filter with f
c
= 1/(2
π
R
i
C
i
).
The input coupling capacitor blocks DC voltage at the amplifier’s input terminals. C
i
, along with R
i
,
create a highpass filter with f
c
= 1/(2
π
R
i
C
i
). Refer to the section,
Selecting Proper External
Components
, for an explanation of determining the value of C
i
.
The feedback resistance, along with R
i
, set closed-loop gain.
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.
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
.
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 f
O
= 1/(2
π
R
L
C
O
)
2. C
i
3. R
f
4. C
S
5. C
B
6. C
O
Typical Performance Characteristics
THD+N vs Frequency
THD+N vs Frequency
20008985
20008964
THD+N vs Frequency
THD+N vs Frequency
20008965
20008966
L
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM4810MA/NOPB | 功能描述:IC AMP AUDIO PWR .105W AB 8SOIC RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:Boomer® 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:DirectDrive® 類型:H 類 輸出類型:耳機，2-通道（立體聲） 在某負(fù)載時最大輸出功率 x 通道數(shù)量:35mW x 2 @ 16 歐姆 電源電壓:1.62 V ~ 1.98 V 特點:I²C，麥克風(fēng)，靜音，短路保護，音量控制 安裝類型:表面貼裝 供應(yīng)商設(shè)備封裝:25-WLP（2.09x2.09） 封裝/外殼:25-WFBGA，WLCSP 包裝:帶卷 (TR) |
| LM4810MM | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Dual 105mW Headphone Amplifier with Active-High Shutdown Mode |
| LM4810MM/NOPB | 功能描述:音頻放大器 LM4810 Dual 105mW Headphone Amp 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 |
| LM4810MMX/NOPB | 功能描述:音頻放大器 LM4810 Dual 105mW Headphone Amp 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 |
| LM4811 | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:DUAL 105mW HEADPHONE AMPLIFIER WITH DIGITAL VOLUME CONTROL AND SHUTDOWN MODE |
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