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參數(shù)資料
| 型號： | LM4864M |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 300 mW Audio Power Amplifier with Shutdown Mode |
| 中文描述： | 0.675 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
| 封裝： | 0.150 INCH, SOIC-8 |
| 文件頁數(shù)： | 1/10頁 |
| 文件大?。?/td> | 342K |
| 代理商： | LM4864M |
LM4864
300 mW Audio Power Amplifier with Shutdown Mode
General Description
The LM4864 is a bridged audio power amplifier capable of
delivering 300 mW of continuous average power into an 8
load with 1% (THD) from a 5V power supply.
Boomer
audio power amplifiers were designed specifically
to provide high quality output power from a low supply volt-
age while requiring a minimal amount of external compo-
nents. Since the LM4864 does not require output coupling
capacitors, bootstrap capacitors or snubber networks, it is
optimally suited for low-power portable applications.
The LM4864 features an externally controlled, low power
consumption shutdown mode, and thermal shutdown protec-
tion.
The closed loop response of the unity-gain stable LM4864,
can be configured by external gain-setting resistors. The de-
vice is available in multiple package types to suit various ap-
plications.
Key Specifications
n
THD at 1 kHz at 300 mW continuous
average output power into 8
n
THD at 1 kHz at 300 mW continuous
average output power into 16
n
Shutdown current
1.0% (max)
1.0% (max)
0.7 μA (typ)
Features
n
MSOP, SOP, and DIP packaging
n
No output coupling capacitors, bootstrap capacitors, or
snubber circuits are necessary
n
Thermal shutdown protection circuitry
n
Unity-gain stable
n
External gain configuration capability
Applications
n
Cellular Phones
n
Personal Computers
n
General Purpose Audio
Typical Application
Connection Diagram
Boomer
is a registered trademark of National Semiconductor Corporation.
DS012607-1
FIGURE 1. Typical Audio Amplifier Application Circuit
MSOP, SOP, and DIP Package
DS012607-2
Top View
Order Number LM4864MM,
LM4864M or LM4864N
See NS Package Number MUA08A,
M08A or N08E
September 1999
L
1999 National Semiconductor Corporation
DS012607
www.national.com
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LM4864MM | 300 mW Audio Power Amplifier with Shutdown Mode |
| LM4864N | 300 mW Audio Power Amplifier with Shutdown Mode |
| LM4865 | 750 mW Audio Power Amplifier with DC Volume Control and Headphone Switch |
| LM4865M | 750 mW Audio Power Amplifier with DC Volume Control and Headphone Switch |
| LM4865MM | 750 mW Audio Power Amplifier with DC Volume Control and Headphone Switch |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM4864M | 制造商:Texas Instruments 功能描述:AMP, AUDIO, BOOMER 0.3W, SMD, SOIC8 制造商:Texas Instruments 功能描述:AMP, AUDIO, BOOMER 0.3W, SMD, SOIC8; Amplifier Class:AB; No. of Channels:1; Output Power:725mW; Supply Voltage Range:2.7V to 5.5V; Amplifier Case Style:MSOP; No. of Pins:8; Load Impedance:8ohm; Operating Temperature Min:-40C; ;RoHS Compliant: Yes |
| LM4864M/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 |
| LM4864MM | 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 |
| LM4864MM/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 |
| LM4864MMX | 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 |
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