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參數(shù)資料
| 型號(hào)： | LM4866 |
| 廠商： | National Semiconductor Corporation |
| 元件分類： | 音頻放大器 |
| 英文描述： | 2.2W Stereo Audio Amplifier |
| 中文描述： | 2.2W的立體聲音頻放大器 |
| 文件頁數(shù)： | 1/21頁 |
| 文件大小： | 644K |
| 代理商： | LM4866 |
LM4866
2.2W Stereo Audio Amplifier
General Description
The LM4866 is a bridge-connected (BTL) stereo audio
power amplifier which, when connected to a 5V supply,
delivers 2.2W to a 4
load (Note 1) or 2.5W to a 3
load
(Note 2) with less than 1.0% THD+N.
With the LM4866 packaged in the LLP, the customer benefits
include low thermal impedance, low profile, and small size.
This package minimizes PCB area and maximizes output
power.
The LM4866 features an externally controlled, low-power
consumption shutdown mode, and thermal shutdown protec-
tion. It also utilizes circuitry to reduce “clicks and pops”
during device turn-on.
Boomer audio power amplifiers are designed specifically to
use few external components and provide high quality output
power in a surface mount package.
Note 1:
An LM4866MTE or LM4866LQ that has been properly mounted to
a circuit board will deliver 2.2W into 4
. The other package options for the
LM4866 will deliver 1.1W into 8
. See the Application Information sections
for further information concerning the LM4866MTE and LM4866LQ.
Note 2:
An LM4866MTE or LM4866LQ that has been properly mounted to a
circuit board will deliver 2.5W into 3
.
Key Specifications
n
P
O
at 1% THD+N
n
LM4866LQ, 3
, 4
loads
n
LM4866MTE, 3
, 4
loads
n
LM4866MTE, 8
load
n
LM4866MT, 8
load
n
Shutdown current
n
Supply voltage range
2.5W(typ), 2.2W(typ)
2.5W(typ), 2.2W(typ)
1.1W(typ)
1.1W(typ)
0.7μA(typ)
2.0V to 5.5V
Features
n
Stereo BTL amplifier mode
n
“Click and pop” suppression circuitry
n
Unity-gain stable
n
Thermal shutdown protection circuitry
n
TSSOP and Exposed-DAP LLP packages
Applications
n
Multimedia monitors
n
Portable and desktop computers
n
Portable televisions
Typical Application
20018601
Note: Pin out shown for LLP package. Refer to the Connection Diagrams for the pinout of the TSSOP package.
Boomer
is a registered trademark of National Semiconductor Corporation.
October 2002
L
2002 National Semiconductor Corporation
DS200186
www.national.com
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LM4866LQ | 2.2W Stereo Audio Amplifier |
| LM4866MT | 2.2W Stereo Audio Amplifier |
| LM4866MTE | 2.2W Stereo Audio Amplifier |
| LM4867 | Output-Transient-Free Dual 2.1W Audio Amplifier Plus No Coupling Capacitor Stereo Headphone Function |
| LM4867LQ | Output-Transient-Free Dual 2.1W Audio Amplifier Plus No Coupling Capacitor Stereo Headphone Function |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM4866LQ | 制造商:Texas Instruments 功能描述:AMP AUDIO POWER 2W SMD LLP-24 |
| LM4866LQ/NOPB | 功能描述:IC AMP AUDIO PWR 3.2W STER 24LLP 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) |
| LM4866LQBD | 功能描述:BOARD EVALUATION LM4866LQ 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:- |
| LM4866MT | 制造商:Texas Instruments 功能描述:AMP AUDIO STEREO 2W SMD SSOP20 |
| LM4866MT/NOPB | 功能描述:IC AMP AUDIO PWR 3.2W AB 20TSSOP 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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