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參數(shù)資料
型號(hào): LM4878IBPX
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 音頻/視頻放大
英文描述: 1 Watt Audio Power Amplifier in micro SMD package with Shutdown Logic Low
中文描述: 1 W, 1 CHANNEL, AUDIO AMPLIFIER, PBGA8
封裝: MICRO, SMD-8
文件頁(yè)數(shù): 1/16頁(yè)
文件大小: 515K
代理商: LM4878IBPX
LM4878
1 Watt Audio Power Amplifier in micro SMD package
with Shutdown Logic Low
General Description
The LM4878 is a bridge-connected audio power amplifier
capable of delivering 1 W of continuous average power to an
8
load with less than .2% (THD) from a 5V power supply.
Boomer audio power amplifiers were designed specifically to
provide high quality output power with a minimal amount of
external components. Since the LM4878 does not require
output coupling capacitors or bootstrap capacitors. It is op-
timally suited for low-power portable applications.
The LM4878 features an externally controlled, low-power
consumption shutdown mode, as well as an internal thermal
shutdown protection mechanism.
The unity-gain stable LM4878 can be configured by external
gain-setting resistors.
Key Specifications
j
Power Output at 0.2% THD
j
Shutdown Current
1 W (typ)
0.01 μA (typ)
Features
n
Internal pulldown resistor on shutdown.
n
micro SMD package (see App. note AN-1112)
n
5V - 2V operation
n
No output coupling capacitors or bootstrap capacitors.
n
Unity-gain stable
n
External gain configuration capability
Applications
n
Cellular Phones
n
Portable Computers
n
Low Voltage Audio Systems
Typical Application
Boomer
is a registered trademark of National Semiconductor Corporation.
10136001
FIGURE 1. Typical Audio Amplifier Application Circuit
October 2002
L
2002 National Semiconductor Corporation
DS101360
www.national.com
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM4878ITP 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)
LM4878ITP/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)
LM4879 制造商:未知廠家 制造商全稱:未知廠家 功能描述:
LM4879 WAF 制造商:Texas Instruments 功能描述:
LM4879IBL 功能描述:IC AMP AUDIO PWR 1.1W MONO 9USMD 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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