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参数资料
| 型号： | LM4874MH/NOPB |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 2.6 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO20 |
| 封装： | TSSOP-20 |
| 文件页数： | 3/21页 |
| 文件大小： | 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
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LM4875 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:750 mW Audio Power Amplifier with DC Volume Control and Headphone Switch |
| LM4875M | 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 |
| LM4875M/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 |
| LM4875MM | 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 |
| LM4875MM/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 |
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