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| 型號(hào)： | LM4819MX |
| 廠商： | National Semiconductor |
| 文件頁數(shù)： | 1/27頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC AMP AUDIO PWR .35W MONO 8SOIC |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | Boomer® |
| 類型： | AB 類 |
| 輸出類型： | 1-通道（單聲道） |
| 在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量： | 350mW x 1 @ 16 歐姆 |
| 電源電壓： | 2 V ~ 5.5 V |
| 特點(diǎn)： | 消除爆音，差分輸入，關(guān)閉 |
| 安裝類型： | 表面貼裝 |
| 供應(yīng)商設(shè)備封裝： | 8-SOIC |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 包裝： | 剪切帶 (CT) |
| 其它名稱： | *LM4819MX LM4819MXCT |
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SNAS133D – FEBRUARY 2001 – REVISED MARCH 2013
LM4819
350mW Audio Power Amplifier with Shutdown Mode
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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM4819MX/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 |
| LM4820-6 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Fixed Gain 1 Watt Audio Power Amplifier |
| LM4820IBP-6 | 功能描述:IC AMP AUDIO PWR 1W MONO 8USMD RoHS:否 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(jī)，2-通道（立體聲） 在某負(fù)載時(shí)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(diǎn):I²C，麥克風(fēng)，靜音，短路保護(hù)，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) |
| LM4820IBPX-6 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Fixed Gain 1 Watt Audio Power Amplifier |
| LM4820ITP-6/NOPB | 功能描述:IC AMP AUDIO PWR 1W MONO 8USMD 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(jī)，2-通道（立體聲） 在某負(fù)載時(shí)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(diǎn):I²C，麥克風(fēng)，靜音，短路保護(hù)，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) |
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