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參數(shù)資料
| 型號： | LM3886 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | LM3886 Overture⑩ Audio Power Amplifier Series High-Performance 68W Audio Power Amplifier w/Mute |
| 中文描述： | LM3886序曲⑩音頻功率放大器系列高性能68瓦特音頻功率放大器瓦特/靜音 |
| 文件頁數(shù)： | 12/20頁 |
| 文件大?。?/td> | 745K |
| 代理商： | LM3886 |
Typical Performance Characteristics
(Continued)
Application Information
GENERAL FEATURES
Mute Function:
The muting function of the LM3886 allows
the user to mute the music going into the amplifier by draw-
ing less than 0.5 mAout of pin 8 of the device. This is accom-
plished as shown in the Typical Application Circuit where the
resistor R
is chosen with reference to your negative supply
voltage and is used in conjuction with a switch. The switch
(when opened) cuts off the current flow from pin 8 to V
, thus
placing the LM3886 into mute mode. Refer to the Mute At-
tenuation vs Mute Current curves in the
Typical Perfor-
mance Characteristics
section for values of attenuation per
current out of pin 8. The resistance R
M
is calculated by the
following equation:
R
M
(|V
EE
| 2.6V)/I8
where I8
≥
0.5 mA.
Under-Voltage Protection:
Upon system power-up the
under-voltage protection circuitry allows the power supplies
and their corresponding caps to come up close to their full
values before turning on the LM3886 such that no DC output
spikes occur. Upon turn-off, the output of the LM3886 is
brought to ground before the power supplies such that no
transients occur at power-down.
IMD 60 Hz, 1:1
DS011833-53
IMD 60 Hz, 7 kHz 1:1
DS011833-54
IMD 60 Hz, 7 kHz, 1:1
DS011833-55
Mute Attenuation vs
Mute Current
DS011833-56
Mute Attenuation vs
Mute Current
DS011833-57
Large Signal Response
DS011833-58
Power Supply
Rejection Ratio
DS011833-59
Common-Mode
Rejection Ratio
DS011833-60
Open Loop
Frequency Response
DS011833-61
www.national.com
12
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LM3886T | LM3886 Overture⑩ Audio Power Amplifier Series High-Performance 68W Audio Power Amplifier w/Mute |
| LM3886TF | LM3886 Overture⑩ Audio Power Amplifier Series High-Performance 68W Audio Power Amplifier w/Mute |
| LM4050AEM3 | Precision Micropower Shunt Voltage Reference |
| LM4050AEM3-10 | Precision Micropower Shunt Voltage Reference |
| LM4050AEM3-2.0 | Precision Micropower Shunt Voltage Reference |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM3886_03 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Overture TM Audio Power Amplifier Series High-Performance 68W Audio Power Amplifier w/Mute |
| LM3886T | 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 |
| LM3886T | 制造商:Texas Instruments 功能描述:IC AMP AUDIO + MUTE 68W |
| LM3886T/NOPB | 功能描述:音頻放大器 HIGH-PERF 68W AUDIO PWR AMP 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 |
| LM3886T/NOPB | 制造商:Texas Instruments 功能描述:Audio Power Amplifier IC |
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