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參數(shù)資料
| 型號(hào)： | LM4680SD |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 10W High-Efficiency Mono BTL Audio Power Amplifier |
| 中文描述： | 10 W, 1 CHANNEL, AUDIO AMPLIFIER, DSO14 |
| 封裝： | LLP-14 |
| 文件頁(yè)數(shù)： | 1/11頁(yè) |
| 文件大小： | 754K |
| 代理商： | LM4680SD |
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 (V
DD
= 14V,
f
IN
= 1kHz, THD+N = 10%,
R
L
= 8
)
j
Quiescent Power Supply Current
j
Efficiency (V
DD
= 12V, f
IN
= 1kHz,
R
L
= 8
, P
OUT
= 6W)
j
Shutdown Current
j
Fixed Gain
10W (typ)
25mA (typ)
81% (typ)
0.1mA (typ)
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
L
2005 National Semiconductor Corporation
DS200958
www.national.com
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| LM4680SD/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(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) |
| LM4680SDBD | 功能描述:BOARD EVALUATION LM4680SD RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 評(píng)估板 - 音頻放大器 系列:Boomer® 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- |
| 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(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) |
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| LM4681A EB WAF | 制造商:Texas Instruments 功能描述: |
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