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參數資料
型號: LM4872
廠商: National Semiconductor Corporation
英文描述: 1 Watt Audio Power Amplifier in micro SMD package
中文描述: 1瓦音頻功率放大器的micro SMD封裝
文件頁數: 1/14頁
文件大小: 425K
代理商: LM4872
LM4872
1 Watt Audio Power Amplifier in micro SMD package
General Description
The LM4872 is a bridge-connected audio power amplifier ca-
pable 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 LM4872 does not require
output coupling capacitors or bootstrap capacitors. It is opti-
mally suited for low-power portable applications.
The LM4872 features an externally controlled, low-power
consumption shutdown mode, as well as an internal thermal
shutdown protection mechanism.
The unity-gain stable LM4872 can be configured by external
gain-setting resistors.
Key Specifications
n
Power Output at 0.2% THD
n
Shutdown Current
1 W (typ)
0.01 μA (typ)
Features
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
Connection Diagram
Boomer
is a registered trademark of National Semiconductor Corporation.
DS101230-1
FIGURE 1. Typical Audio Amplifier Application Circuit
8 Bump micro SMD
DS101230-23
Top View
Order Number LM4872IBP, LM4872IBPX
See NS Package Number BPA08B6B
February 2000
L
2000 National Semiconductor Corporation
DS101230
www.national.com
相關PDF資料
PDF描述
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相關代理商/技術參數
參數描述
LM4872IBP 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® 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:DirectDrive® 類型:H 類 輸出類型:耳機,2-通道(立體聲) 在某負載時最大輸出功率 x 通道數量:35mW x 2 @ 16 歐姆 電源電壓:1.62 V ~ 1.98 V 特點:I²C,麥克風,靜音,短路保護,音量控制 安裝類型:表面貼裝 供應商設備封裝:25-WLP(2.09x2.09) 封裝/外殼:25-WFBGA,WLCSP 包裝:帶卷 (TR)
LM4872IBPX 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® 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:DirectDrive® 類型:H 類 輸出類型:耳機,2-通道(立體聲) 在某負載時最大輸出功率 x 通道數量:35mW x 2 @ 16 歐姆 電源電壓:1.62 V ~ 1.98 V 特點:I²C,麥克風,靜音,短路保護,音量控制 安裝類型:表面貼裝 供應商設備封裝:25-WLP(2.09x2.09) 封裝/外殼:25-WFBGA,WLCSP 包裝:帶卷 (TR)
LM4872ITP 制造商:Texas Instruments 功能描述:AMP AUDIO 1W BOOMER SMD 4872
LM4872ITP/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® 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:DirectDrive® 類型:H 類 輸出類型:耳機,2-通道(立體聲) 在某負載時最大輸出功率 x 通道數量:35mW x 2 @ 16 歐姆 電源電壓:1.62 V ~ 1.98 V 特點:I²C,麥克風,靜音,短路保護,音量控制 安裝類型:表面貼裝 供應商設備封裝:25-WLP(2.09x2.09) 封裝/外殼:25-WFBGA,WLCSP 包裝:帶卷 (TR)
LM4872ITPX/NOPB 制造商:Texas Instruments 功能描述:
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