參數(shù)資料
型號(hào)： LM4881MDA
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 音頻／視頻放大
英文描述： 0.3 W, 2 CHANNEL, AUDIO AMPLIFIER, UUC
封裝： DIE
文件頁(yè)數(shù)： 5/14頁(yè)
文件大?。?/td> 473K
代理商： LM4881MDA
National P/N LM4881 - Boomer Dual 200 mW Headphone Amplifier with Shutdown Mode
LM4881MM
8
Full
production
N/A
1K+ $0.6700
reel
of
1000
Z1T
Z81
LM4881MMX
8
Full
production
N/A
1K+ $0.6700
reel
of
3500
Z1T
Z81
LM4881N
8
Full
production
N/A
1K+ $0.6700
rail
of
40
[logo]UZ2T
LM4
881N
LM4881 MDA
Full
production
N/A
tray
of
N/A
-
General Description
The LM4881 is a dual audio power amplifier capable of delivering 200mW of continuous average power into
an 8
load with 0.1% THD+N from a 5V power supply.
Boomer audio power amplifiers were designed specifically to provide high quality output power with a
minimal amount of external components using surface mount packaging. Since the LM4881 does not require
bootstrap capacitors or snubber networks, it is optimally suited for low-power portable systems.
The LM4881 features an externally controlled, low power consumption shutdown mode which is virtually
clickless and popless, as well as an internal thermal shutdown protection mechanism.
The unity-gain stable LM4881 can be configured by external gain-setting resistors.
Features
q
MSOP surface mount packaging
q
Unity-gain stable
q
External gain configuration capability
q
Thermal shutdown protection circuitry
q
No bootstrap capacitors, or snubber circuits are necessary
Key Specification
THD+N at 1kHz at 125mW continuous average output power into 8
0.1% (max)
THD+N at 1kHz at 75mW continuous average output power into 32
0.02% (typ)
Output power at 10% THD+N at 1kHz into 8
300mW (typ)
Shutdown Current
0.7A (typ)
Supply voltage range
2.7V to 5.5V
Applications
file:///H|/imaging/BITTING/cpl/20020808_1/08062002_10/NATL/08062002_HTML/LM4881.html (2 of 3) [09-Aug-2002 2:55:19 PM]
相關(guān)PDF資料
PDF描述
LM4881N/NOPB 0.3 W, 2 CHANNEL, AUDIO AMPLIFIER, PDIP8
LM4882MMX/NOPB 0.48 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8
LM4882MX/NOPB 0.48 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8
LM4883SQ/NOPB 0.4 W, 2 CHANNEL, AUDIO AMPLIFIER, QCC24
LM4884MH/NOPB 2.6 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO20
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM4881MM 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
LM4881MM/NOPB 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
LM4881MM/SL110729 制造商:Texas Instruments 功能描述:
LM4881MMX 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
LM4881MMX/NOPB 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
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