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参数资料
| 型号： | LM4766MWC |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 40 W, 2 CHANNEL, AUDIO AMPLIFIER, UUC |
| 封装： | WAFER |
| 文件页数： | 2/17页 |
| 文件大小： | 534K |
| 代理商： | LM4766MWC |
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
M 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
EE, thus placing the LM4766 into mute mode. Refer to the
Mute Attenuation vs Mute Current curves in the Typical
Performance Characteristics section for values of attenu-
ation per current out of pins 6 or 11. The resistance R
M is
calculated by the following equation:
R
M ≤ (|VEE| 2.6V)/Ipin6
where I
pin6 =Ipin11 ≥ 0.5mA.
Both pins 6 and 11 can be tied together so that only one
resistor 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
LM4766
www.national.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LM4766T | 功能描述:音频放大器 RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| LM4766T | 制造商:Texas Instruments 功能描述:IC AMP DUAL 40W 4766 TO-220-15 |
| LM4766T/LF15 | 功能描述:音频放大器 RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| LM4766T/NOPB | 功能描述:音频放大器 RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| LM4766TF | 功能描述:音频放大器 RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
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