參數(shù)資料
型號(hào): LM4874MH/NOPB
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類(lèi): 音頻/視頻放大
英文描述: 2.6 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO20
封裝: TSSOP-20
文件頁(yè)數(shù): 3/21頁(yè)
文件大?。?/td> 869K
代理商: LM4874MH/NOPB
Typical Performance Characteristics
MH Specific Characteristics (Continued)
Output Power vs
Load Resistance
Channel-to-Channel gain Mismatch
vs Power Supply Voltage
200469C0
f
IN = 1kHz, at (from top to bottom at 20
):
V
DD = 5V, THD = 10%; VDD = 5V, THD = 1%;
V
DD = 3V, THD = 10%; VDD = 3V, THD = 1%
200469C1
R
L =4
,f
IN = 1kHz,
at (from top to bottom at 4V):
A
V = 21.6dB, AV = 15.6dB,
A
V = 10dB, AV = 6dB
Channel-to-Channel gain Mismatch
vs Power Supply Voltage
Dropout Voltage
vs Power Supply Voltage
200469C2
R
L =8
,f
IN = 1kHz,
at (from top to bottom at 4V):
A
V = 21.6dB, AV = 15.6dB,
A
V = 10dB, AV = 6dB
200469C5
R
L =8
,f
IN = 1kHz, both channels driven and loaded
at (from top to bottom at 4V):
positive signal swing, negative signal swing
LM4874
www.national.com
11
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM4875 制造商:NSC 制造商全稱:National Semiconductor 功能描述:750 mW Audio Power Amplifier with DC Volume Control and Headphone Switch
LM4875M 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(lèi)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
LM4875M/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(lèi)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
LM4875MM 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(lèi)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
LM4875MM/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(lèi)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