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參數資料
| 型號： | LM4753T |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 11.8 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM15 |
| 封裝： | TO-220, 15 PIN |
| 文件頁數： | 1/16頁 |
| 文件大小： | 511K |
| 代理商： | LM4753T |
LM4753
Dual 10W Audio Power Amplifier w/Mute, Standby and
Volume Control
General Description
The LM4753 is a stereo audio amplifier capable of delivering
10W/channel at 10% distortion into a 8
load. The power
amp has an internally set gain of 30 dB. A 0V–5V DC con-
trolled volume block provides 80 dB of attenuation from input
to line-out. Line outputs are available after the volume con-
trol for signal routing.
The amplifier has a smooth transition fade-in/out mute and a
power conserving standby function which are controlled
through TTL or CMOS logic. Both functions provide over
75 dB of attenuation.
The LM4753 maintains an excellent Signal-to-Noise ratio of
greater than 70 dB with a low noise floor less than 2 mV. The
IC also maintains above 50 dB of channel separation.
The LM4753 is available in a 15-lead non-isolated plastic
package and is designed for use in TV applications requiring
single supply operation.
Key Specifications
n Output power into 8
at 10% THD 10W
n Maximum operating voltage
28V
n Power output stage Noise floor
2 mV
n Line output Noise floor
55 V
n 0V–5V DC controlled volume attenuation
80 dB
n Mute attenuation
75 dB
n Standby-mode supply current
7 mA
Features
n Quiet fade-in/out mute function
n Stereo variable line-out pins
n AC output short circuit protection
n Thermal shutdown protection
Applications
n Stereo TVs
n Component stereo
n Compact stereo
Typical Application
DS100043-1
FIGURE 1. Typical Audio Amplifier Application Circuit
June 1999
LM4753
Dual
10W
Audio
Power
Amplifier
w/Mute,
Standby
and
V
olume
Control
1999 National Semiconductor Corporation
DS100043
www.national.com
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LM4755 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Stereo 11W Audio Power Amplifier with Mute |
| LM4755_02 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Stereo 11W Audio Power Amplifier with Mute |
| 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 |
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