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參數(shù)資料
| 型號(hào)： | LM4766TF |
| 元件分類： | 音頻放大器 |
| 英文描述： | AUDIO AMPLIFIER|DUAL|BIPOLAR|ZIP|15PIN|PLASTIC |
| 中文描述： | 音頻放大器|雙|雙極|郵政編碼| 15針|塑料 |
| 文件頁(yè)數(shù)： | 10/15頁(yè) |
| 文件大?。?/td> | 480K |
| 代理商： | LM4766TF |
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Typical Performance Characteristics
(Continued)
Application Information
MUTE MODE
The muting function of the LM4766 allows the user to mute
the music going into the amplifier by drawing more than
0.5mA out of each mute pin on 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 conjunction with a switch. The switch
when opened cuts off the current flow from pin 6 or 11 to
V
, thus placing the LM4766 into mute mode. Refer to the
Mute Attenuation vs Mute Current curves in the
Typical Per-
formance Characteristics
section for values of attenuation
per current out of pins 6 or 11. The resistance R
M
is calcu-
lated by the following equation:
R
M
≤
(|V
EE
| 2.6V)/I
pin6
where I
pin6
= I
pin11
≥
0.5mA.
Both pins 6 and 11 can be tied together so that only one re-
sistor and capacitor are required for the mute function. The
mute resistance must be chosen such that greater than 1mA
is pulled through the resistor R
M
so that each amplifier is fully
Power Supply
Rejection Ratio
DS100928-88
Common-Mode
Rejection Ratio
DS100928-89
Open Loop
Frequency Response
DS100928-90
Supply Current vs
Case Temperature
DS100928-65
Input Bias Current vs
Case Temperature
DS100928-67
Mute Attenuation vs
Mute Current (per Amplifier)
DS100928-85
Mute Attenuation vs
Mute Current (per Amplifier)
DS100928-86
L
www.national.com
10
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM4766TF/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 |
| LM4766TF/NOPB | 制造商:Texas Instruments 功能描述:Audio Power Amplifier IC |
| LM476-S | 功能描述:基本/快動(dòng)開關(guān) Foot Switch RoHS:否 制造商:Omron Electronics 觸點(diǎn)形式:SPDT 執(zhí)行器:Lever 電流額定值:5 A 電壓額定值 AC:250 V 電壓額定值 DC:30 V 功率額定值: 工作力:120 g IP 等級(jí):IP 67 NEMA 額定值: 端接類型:Wire 安裝:Panel |
| LM4780 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Audio Power Amplifier Series Stereo 60W, Mono 120W Audio Power Amplifier with Mute |
| LM4780TA | 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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