參數(shù)資料
型號(hào)： LM4752MWC
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 音頻／視頻放大
英文描述： 7 W, 2 CHANNEL, AUDIO AMPLIFIER, UUC
封裝： WAFER
文件頁(yè)數(shù)： 13/21頁(yè)
文件大?。?/td> 732K
代理商： LM4752MWC
National P/N LM4752 - Stereo 11W Audio Power Amplifier
LM4752 MDC
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LM4752 MWC
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General Description
The LM4752 is a stereo audio amplifier capable of delivering 11W per channel of continuous average output
power to a 4Ohm load, or 7W per channel into 8Ohm using a single 24V supply at 10% THD+N.
The LM4752 is specifically designed for single supply operation and a low external component count. The
gain and bias resistors are integrated on chip, resulting in a 11W stereo amplifier in a compact 7 pin TO220
package. High output power levels at both 20V and 24V supplies and low external component count offer
high value for compact stereo and TV applications. A simple mute function can be implemented with the
addition of a few external components.
Features
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Drives 4Ohm and 8Ohm loads
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Internal gain resistors (AV = 34 dB)
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Minimum external component requirement
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Single supply operation
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Internal current limiting
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Internal thermal protection
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Compact 7-lead TO-220 package
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Low cost-per-watt
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Wide supply range 9V - 40V
Key Specification
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Output power at 10% THD+N with 1kHz into 4Ohm at VCC = 24V: 11W (typ)
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Output power at 10% THD+N with 1kHz into 8Ohm at VCC = 24V: 7W (typ)
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Closed loop gain: 34dB (typ)
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PO at 10% THD+N @ 1 kHz into 4Ohm single-ended TO-263 package at VCC = 12V: 2.5W (typ)
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PO at 10% THD+N @ 1kHz into 8Ohm bridged TO-263 package at VCC = 12V: 5W (typ)
Applications
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Compact stereos
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Stereo TVs
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Mini component stereos
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Multimedia speakers
[Information as of 5-Aug-2002]
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file:///H|/imaging/BITTING/cpl/20020808_1/08062002_10/NATL/08062002_HTML/LM4752.html (2 of 3) [09-Aug-2002 3:12:59 PM]
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM4752T 制造商:National Semiconductor Corporation 功能描述: 制造商:Texas Instruments 功能描述:
LM4752T/NOPB 功能描述:IC AMP AUDIO PWR 11W AB TO220-7 RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:- 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)
LM4752T/NOPB 制造商:Texas Instruments 功能描述:Audio Power Amplifier IC
LM4752TS 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
LM4752TS/NOPB 功能描述:音頻放大器 STEREO 11W AUDIO PWR AMP 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
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