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參數(shù)資料
| 型號(hào)： | LM4668 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | 10W High-Efficiency Mono BTL Audio Power Amplifier |
| 中文描述： | 10W的高效率單聲道橋接音頻功率放大器 |
| 文件頁數(shù)： | 1/14頁 |
| 文件大?。?/td> | 472K |
| 代理商： | LM4668 |
LM4668
10W High-Efficiency Mono BTL Audio Power Amplifier
General Description
The LM4668 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 6W to
an 8
mono BTL load with less than 1% distortion (THD+N)
from a 12V
DC
power supply.
Boomer audio power amplifiers were designed specifically to
provide high quality output power with a minimal amount of
external components. The LM4668 features a micro-power,
active-low shutdown mode, an internal thermal shutdown
protection mechanism, and short circuit protection.
The LM4668 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)
30mA (typ)
79% (typ)
0.15mA (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
n
Short circuit protection
n
Fixed, internally set gain of 30dB
Applications
n
Flat Panel Monitors
n
Flat Panel TVs
n
Computer Sound Cards
Connection Diagrams
LD Package
MH Package
20089102
Top View
Order Number LM4668LD
See NS Package Number LDC14A
200891G3
Top View
Order Number LM4668MH
See NS Package Number MXA20A
Boomer
is a registered trademark of National Semiconductor Corporation.
October 2004
L
2004 National Semiconductor Corporation
DS200891
www.national.com
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LM4668LD | 10W High-Efficiency Mono BTL Audio Power Amplifier |
| LM4668MH | 10W High-Efficiency Mono BTL Audio Power Amplifier |
| LM4670 | Filterless High Efficiency 3W Switching Audio Amplifier |
| LM4670ITL | Filterless High Efficiency 3W Switching Audio Amplifier |
| LM4670ITLX | Filterless High Efficiency 3W Switching Audio Amplifier |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM4668B E WAF | 制造商:Texas Instruments 功能描述: |
| LM4668LD | 制造商:Texas Instruments 功能描述:10W Class D Mono Amplifier,LM4668LD |
| LM4668LD/NOPB | 功能描述:IC AMP AUDIO 10W MONO D 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) |
| LM4668LDBD | 功能描述:BOARD EVALUATION LM4668LD RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 過時(shí)/停產(chǎn)零件編號(hào) 系列:Boomer® 標(biāo)準(zhǔn)包裝:1 系列:- 傳感器類型:CMOS 成像，彩色（RGB） 傳感范圍:WVGA 接口:I²C 靈敏度:60 fps 電源電壓:5.7 V ~ 6.3 V 嵌入式:否 已供物品:成像器板 已用 IC / 零件:KAC-00401 相關(guān)產(chǎn)品:4H2099-ND - SENSOR IMAGE WVGA COLOR 48-PQFP4H2094-ND - SENSOR IMAGE WVGA MONO 48-PQFP |
| LM4668LDBD/NOPB | 制造商:Texas Instruments 功能描述:Evaluation Kit For 10W High-Efficiency Mono BTL Audio Power Amplifier |
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