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參數資料
| 型號： | LM4755MDC |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 11 W, 2 CHANNEL, AUDIO AMPLIFIER, UUC |
| 封裝： | DIE |
| 文件頁數： | 1/19頁 |
| 文件大小： | 756K |
| 代理商： | LM4755MDC |
LM4755
Stereo 11W Audio Power Amplifier with Mute
General Description
The LM4755 is a stereo audio amplifier capable of delivering
11W per channel of continuous average output power to a
4
load or 7W per channel into 8 using a single 24V supply
at 10% THD+N. The internal mute circuit and pre-set gain
resistors provide for a very economical design solution.
Output power specifications at both 20V and 24V supplies
and low external component count offer high value to con-
sumer electronic manufacturers for stereo TV and compact
stereo applications. The LM4755 is specifically designed for
single supply operation.
Key Specifications
n
Output power at 10% THD with 1kHz into 4
at
V
CC = 24V:
11W (typ)
n
Output power at 10% THD with 1kHz into 8
at
V
CC = 24V:
7W (typ)
n
Closed loop gain:
34dB (typ)
n
P
O at 10% THD+N @ 1kHz into 4 single-ended
TO-263 package at V
CC=12V:
2.5W (typ)
n
P
O at 10% THD+N @ 1kHz into 8 bridged TO-263
package at V
CC=12V:
5W (typ)
Features
n
Drives 4
and 8 loads
n
Integrated mute function
n
Internal Gain Resistors
n
Minimal external components needed
n
Single supply operation
n
Internal current limiting and thermal protection
n
Compact 9-lead TO-220 package
n
Wide supply range 9V - 40V
Applications
n
Stereos TVs
n
Compact stereos
n
Mini component stereos
Typical Application
Connection Diagrams
DS100059-1
FIGURE 1. Typical Audio Amplifier Application Circuit
Plastic Package
DS100059-2
Package Description
Top View
Order Number LM4755T
Package Number TA09A
DS100059-36
Top View
Order Number LM4755TS
Package Number TS9A
May 2002
LM4755
Stereo
1
W
Audio
Power
Amplifier
with
Mute
2002 National Semiconductor Corporation
DS100059
www.national.com
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LM4755T | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Stereo 11W Audio Power Amplifier with Mute |
| LM4755T/NOPB | 功能描述:IC AMP AUDIO PWR 11W AB TO220-9 RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:- 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) |
| LM4755T/NOPB | 制造商:Texas Instruments 功能描述:Audio Power Amplifier IC |
| LM4755TS | 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產品: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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| LM4755TS/NOPB | 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產品: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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
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