参数资料
型号: LM4819MBD
厂商: National Semiconductor
文件页数: 1/27页
文件大小: 0K
描述: BOARD EVALUATION LM4819M
标准包装: 1
系列: Boomer®
放大器类型: AB 类
输出类型: 1-通道(单声道)
在某负载时最大输出功率 x 通道数量: 350mW x 1 @ 16 欧姆
电源电压: 2 V ~ 5.5 V
工作温度: -40°C ~ 85°C
板类型: 完全填充
已用 IC / 零件: LM4819
已供物品:
相关产品: LM4819M/NOPB-ND - IC AMP AUDIO PWR .35W MONO 8SOIC
LM4819MX/NOPBTR-ND - IC AMP AUDIO PWR .35W MONO 8SOIC
LM4819MM-ND - IC AMP AUDIO PWR .35W MONO 8MSOP
LM4819MMX-ND - IC AMP AUDIO PWR .35W MONO 8MSOP
SNAS133D – FEBRUARY 2001 – REVISED MARCH 2013
LM4819
350mW Audio Power Amplifier with Shutdown Mode
Check for Samples: LM4819, LM4819MBD
1
FEATURES
DESCRIPTION
The LM4819 is a mono bridged power amplifier that
2
WSON, SOIC, and VSSOP Surface Mount
is capable of delivering 350mWRMS output power into
Packaging
a 16
load or 300mWRMS output power into an 8
Switch On/Off Click Suppression
load with 10% THD+N from a 5V power supply.
Unity-Gain Stable
The LM4819 Boomer audio power amplifier is
Minimum External Components
designed specifically to provide high quality output
power and minimize PCB area with surface mount
KEY SPECIFICATIONS
packaging
and
a
minimal
amount
of
external
components. Since the LM4819 does not require
THD+N at 1kHz, 350mW Continuous Average
output coupling capacitors, bootstrap capacitors or
Output Power into 16
Ω: 10% (max)
snubber networks, it is optimally suited for low-power
THD+N at 1kHz, 300mW Continuous Average
portable applications.
Output Power into 8
Ω: 10% (max)
The closed loop response of the unity-gain stable
Shutdown Current: 0.7
μA (typ)
LM4819 can be configured using external gain-setting
resistors. The device is available in WSON, VSSOP,
APPLICATIONS
and SOIC package types to suit various applications.
General Purpose Audio
Portable Electronic Devices
Information Appliances (IA)
Typical Application
Figure 1. Typical Audio Amplifier Application Circuit
Connection Diagrams
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2
All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright 2001–2013, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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相关代理商/技术参数
参数描述
LM4819MBD/NOPB 功能描述:音频 IC 开发工具 LM4819MBD EVAL MOD 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
LM4819MM 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
LM4819MM/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
LM4819MMX 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
LM4819MMX/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