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參數資料
| 型號： | LM4680SD/NOPB |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 10 W, 1 CHANNEL, AUDIO AMPLIFIER, DSO14 |
| 封裝： | LLP-14 |
| 文件頁數： | 1/11頁 |
| 文件大小： | 754K |
| 代理商： | LM4680SD/NOPB |
LM4680
10W High-Efficiency Mono BTL Audio Power Amplifier
General Description
The LM4680 is a high efficiency switching audio power
amplifier primarily designed for demanding applications in
flat panel monitors and TV’s. It is capable of delivering 10W
to an 8
mono BTL load with less than 10% distortion
(THD+N) when powered from a 14V
DC power supply.
Boomer audio power amplifiers were designed specifically to
provide high quality output power with a minimal amount of
external components. The LM4680 features a micro-power,
active-low shutdown mode, an internal thermal shutdown
protection mechanism, output fault detect, and short circuit
protection.
The LM4680 contains advanced transient (“pop and click”)
suppression circuitry that eliminates noises that would oth-
erwise occur during turn-on and turn-off transitions.
Key Specifications
j Power Output BTL (VDD = 14V,
f
IN = 1kHz, THD+N = 10%,
R
L =8
)
10W (typ)
j Quiescent Power Supply Current
25mA (typ)
j Efficiency (VDD = 12V, fIN = 1kHz,
R
L =8
,P
OUT = 6W)
81% (typ)
j Shutdown Current
0.1mA (typ)
j Fixed Gain
30dB (typ)
Features
n
Soft-start circuitry eliminates noise during turn-on
transition
n
Low current shutdown mode
n
Low quiescent current
n
6W BTL output, R
L =8
, THD+N = 1%
n
Short circuit protection
n
Fixed, internally set gain of 30dB
n
Internal clamp diodes protect amplifier outputs
Applications
n
Flat Panel Monitors
n
Flat Panel TVs
n
Computer Sound Cards
Connection Diagram
Plastic Package
20095802
Top View
Order Number LM4680SD
See NS Package Number SRC14A
Boomer is a registered trademark of National Semiconductor Corporation.
January 2005
LM4680
10W
High-Efficiency
Mono
BTL
Audio
Power
Amplifier
2005 National Semiconductor Corporation
DS200958
www.national.com
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LM4680SDX/NOPB | 功能描述:IC AMP AUDIO PWR 10W MONO 14LLP 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) |
| LM4681 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:10 Watt Stereo CLASS D Audio Power Amplifier with Stereo Headphone Amplifier and I2C/SPI Volume Control |
| LM4681A EB WAF | 制造商:Texas Instruments 功能描述: |
| LM4681SQ | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:10 Watt Stereo CLASS D Audio Power Amplifier with Stereo Headphone Amplifier and I2C/SPI Volume Control |
| LM4681SQ/NOPB | 功能描述:IC AMP AUDIO PWR 10W STER 48LLP 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) |
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