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參數資料
| 型號： | LM4810 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Dual 105mW Headphone Amplifier with Active-High Shutdown Mode |
| 中文描述： | 雙105mW耳機放大器與高電平關斷模式 |
| 文件頁數： | 1/18頁 |
| 文件大小： | 928K |
| 代理商： | LM4810 |
LM4810
Dual 105mW Headphone Amplifier with Active-High
Shutdown Mode
General Description
The LM4810 is a dual audio power amplifier capable of
delivering 105mW per channel of continuous average power
into a 16
load with 0.1% (THD+N) from a 5V power supply.
Boomer audio power amplifiers were designed specifically to
provide high quality output power with a minimal amount of
external components. Since the LM4810 does not require
bootstrap capacitors or snubber networks, it is optimally
suited for low-power portable systems.
The unity-gain stable LM4810 can be configured by external
gain-setting resistors.
The LM4810 features an externally controlled, active-high,
micropower consumption shutdown mode, as well as an
internal thermal shutdown protection mechanism.
Key Specifications
n
THD+N at 1kHz, 105mW continuous average power into
16
0.1% (typ)
n
THD+N at 1kHz, 70mW continuous average power into
32
n
Shutdown Current
0.1% (typ)
0.4μA (typ)
Features
n
Active-high shutdown mode
n
LLP, MSOP, and SO surface mount packaging
n
"Click and Pop" suppression circuitry
n
Low shutdown current
n
No bootstrap capacitors required
n
Unity-gain stable
Applications
n
Cellular Phones
n
Personal Computers
n
Microphone Preamplifier
n
PDA’s
Typical Application
Boomer
is a registered trademark of National Semiconductor Corporation.
20008901
*Refer to the
Application Information
Section for information concerning proper selection of the input and output coupling capacitors.
FIGURE 1. Typical Audio Amplifier Application Circuit
November 2002
L
2002 National Semiconductor Corporation
DS200089
www.national.com
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PDF描述 |
|---|---|
| LM4810LD | Dual 105mW Headphone Amplifier with Active-High Shutdown Mode |
| LM4820IBP-6 | Fixed Gain 1 Watt Audio Power Amplifier |
| LM4820-6 | Fixed Gain 1 Watt Audio Power Amplifier |
| LM4820M-6 | Fixed Gain 1 Watt Audio Power Amplifier |
| LM4820IBPX-6 | Fixed Gain 1 Watt Audio Power Amplifier |
相關代理商/技術參數 |
參數描述 |
|---|---|
| LM48100Q | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Mono, 1.3W Audio Power Amplifier with Output Fault Detection and Volume Control |
| LM48100QMH | 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 |
| LM48100QMH/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 |
| LM48100QMHE | 制造商:Texas Instruments 功能描述:Audio Amp Speaker 1-CH Mono 1.6W Class-AB 14-Pin TSSOP EP T/R |
| LM48100QMHE/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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