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参数资料
| 型号： | LME49830TB |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 音频／视频放大 |
| 英文描述： | LME49830 Mono High Fidelity 200 Volt MOSFET Power Amplifier Input Stage with Mute; Package: TO-247 SINGLE GAUGE; No of Pins: 15 |
| 中文描述： | 1 CHANNEL, AUDIO AMPLIFIER, PZFM15 |
| 封装： | PLASTIC, TO-247, 15 PIN |
| 文件页数： | 1/20页 |
| 文件大小： | 516K |
| 代理商： | LME49830TB |
January 24, 2008
LME49830
Mono High Fidelity 200 Volt MOSFET Power Amplifier Input
Stage with Mute
General Description
The LME49830 is a high fidelity audio power amplifier input
stage designed for demanding consumer and pro-audio ap-
plications. Amplifier output power may be scaled by changing
the supply voltage and number of output devices. The
LME49830 is capable of driving an output stage in excess of
300 W single-ended into an 8
load in the presence of 10%
high line headroom and 20% supply regulation.
The LME49830 includes internal thermal shut down circuitry
that activates when the LME49830 die temperature exceeds
150°C. The LME49830 has a mute function that mutes the
input drive signal and forces the amplifier output to a quies-
cent state.
The LME49830 has high drive current, 56mA typical, and high
output voltage swing for maximum flexibility in output stage
choice. With a bias voltage range up to 16V the LME49830
can be used to drive MOSFET output stages using a wide
selection of MOSFETs.
The LME49830 has a wide operating supply range of ±20V
to ±100V, which allows lower cost, unregulated power sup-
plies to be used.
Key Specifications
■Wide operating Voltage range
±20V to ±100V
■Output Voltage Noise
(BW = 30kHz)
44μV (typ)
■PSRR (DC)
105dB (typ)
■Slew Rate
39V/
μs (typ)
■THD+N (f = 1kHz)
0.0006% (typ)
Features
■ High output current and voltage for use with MOSFET
output stages
■ Very high voltage range: ±20V - ±100V
■ Scalable output power
■ Minimum external components
■ External compensation
■ Thermal shutdown of input stage
■ Mute control
Applications
■ AV receivers
■ Audiophile power amps
■ Pro Audio
■ High voltage industrial applications
Overture
is a registered trademark of National Semiconductor Corporation.
2008 National Semiconductor Corporation
300050
www.national.com
LME49830
Mono
High
Fidelity
200
Volt
MOSFET
Power
Amplifier
Input
Stage
with
Mute
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LME49830TB/NOPB | 功能描述:音频放大器 RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| LME49830TBBD | 功能描述:音频 IC 开发工具 LME49830TB EVAL BOARD RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压:12 V to 38 V |
| LME49860 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:44V Dual High Performance, High Fidelity Audio Operational Amplifier |
| LME49860MA | 制造商:Texas Instruments 功能描述:OP Amp Dual GP 制造商:Texas Instruments 功能描述:OP AMP, HIFI AUDIO, DUAL, 44V, SMD |
| LME49860MA/NOPB | 功能描述:音频放大器 44V Hi Fidelity Aud Op amp RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
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