參數(shù)資料
型號(hào): LM4918LQ
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 音頻控制
英文描述: Stereo Audio Amp with AGC Control
中文描述: 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, QCC32
封裝: LLP-32
文件頁(yè)數(shù): 1/17頁(yè)
文件大?。?/td> 646K
代理商: LM4918LQ
LM4918
Stereo Audio Amp with AGC Control
General Description
The LM4918 is a monolithic integrated circuit that provides a
automatic gain control (AGC), and stereo bridged audio
power amplifiers capable of producing 1W into 8
with less
than 1.0% THD.
Boomer
audio integrated circuits were designed specifically
to provide high quality audio while requiring a minimum
amount of external components. The LM4918 incorporates a
AGC and stereo bridged audio power amplifiers making it
optimally suited for multimedia monitors, portable radios,
desktop and portable computer applications.
The LM4918 features an externally controlled, low-power
consumption shutdown mode, and a power amplifier mute
for maximum system flexibility and performance.
Key Specifications
j
THD+N at 1kHz, 1W, 8
j
Total quiescent power supply current
j
Total shutdown power supply current
0.3% (typ)
18mA (typ)
1μA (typ)
Features
n
0.75dB per step/32step AGC Control Interface
n
Automatic Gain Control Circuitry
n
Stereo Bridged power amplifiers
n
“Click and pop” suppression circuitry
n
Thermal shutdown protection circuitry
n
Selectable Auto Detect Std-by mode and Logic control
Applications
n
Portable Computers
n
Desktop Computers
n
Multimedia monitors
Typical Application
Boomer
is a registered trademark of National Semiconductor Corporation.
20091301
FIGURE 1. Typical Audio Amplifier Application Circuit
February 2004
L
2004 National Semiconductor Corporation
DS200913
www.national.com
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM4918LQ/NOPB 功能描述:IC AMP AUDIO PWR 1.1W STER 32LLP 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)
LM4919 制造商:NSC 制造商全稱:National Semiconductor 功能描述:1.5V, Mono 85mW BTL Output, 14mW Stereo Headphone Audio Amplifier
LM4919A WAF 制造商:Texas Instruments 功能描述:
LM4919MM 制造商:Texas Instruments 功能描述:AMP STEREO H/P 1.5V 14MW SMD 4919
LM4919MM/NOPB 功能描述:IC AMP AUDIO MONO/STER AB 10MSOP 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)