參數(shù)資料
型號: LM4819MM/NOPB
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 8MSOP
標準包裝: 1,000
系列: Boomer®
類型: AB 類
輸出類型: 1-通道(單聲道)
在某負載時最大輸出功率 x 通道數(shù)量: 350mW x 1 @ 16 歐姆
電源電壓: 2 V ~ 5.5 V
特點: 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-MSOP
封裝/外殼: 8-TSSOP,8-MSOP(0.118",3.00mm 寬)
包裝: 帶卷 (TR)
配用: LM4819MBD-ND - BOARD EVALUATION LM4819M
其它名稱: LM4819MM
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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