參數(shù)資料
型號(hào): LM4990MM
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 音頻/視頻放大
英文描述: 2 Watt Audio Power Amplifier with Selectable Shutdown Logic Level
中文描述: 2 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8
封裝: MSOP-8
文件頁(yè)數(shù): 3/19頁(yè)
文件大小: 728K
代理商: LM4990MM
Package
Shutdown Mode
Typical Power Output at 5V,
1% THD+N
.
A SD_MODE select pin determines the Shutdown Mode for the LD and MH packages, whether it is an Asserted High or an Asserted Low device, to activate
shutdown.
.
The SD_MODE select pin is not available with the MM and ITL packaged devices. Shutdown occurs only with a low assertion.
LD
MH
MM
Low
1.25W
(R
L
= 8
)
ITL
Low
1.25W
(R
L
= 8
)
Selectable
2W
(R
L
= 4
)
Selectable
2W
(R
L
= 4
)
Typical Application
20051001
Note: MM and ITL packaged devices are active low only; Shutdown Mode pin is internally tied to GND.
FIGURE 1. Typical Audio Amplifier Application Circuit (LD and MH)
L
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LM4990MMX 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
LM4990MMX/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
LM4991 制造商:NSC 制造商全稱:National Semiconductor 功能描述:3W Audio Power Amplifier with Shutdown Mode
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