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参数资料
| 型号： | LM4865MDC |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 音频控制 |
| 英文描述： | 1 CHANNEL(S), VOLUME CONTROL CIRCUIT, UUC |
| 封装： | DIE |
| 文件页数： | 9/18页 |
| 文件大小： | 520K |
| 代理商： | LM4865MDC |
National P/N LM4865 - 750mW Audio Power Amplifier with DC Volume Control and Headphone Switch
LM4865M
8
Full
production
N/A
1K+
$0.7000
rail
of
95
[logo]2T
LM48
65M
LM4865MX
8
Full
production
N/A
1K+
$0.7000
reel
of
2500
[logo]2T
LM48
65M
LM4865MM
8
Full
production
N/A
1K+
$0.7000
reel
of
1000
Z1T
Z65
LM4865MMX
8
Full
production
N/A
1K+
$0.7000
reel
of
3500
Z1T
Z65
LM4865 MDC
Full
production
N/A
N/A Samples
tray
of
N/A
-
LM4865 MWC
Full
production
N/A
wafer
jar
of
N/A
-
General Description
The LM4865 is a mono bridged audio power amplifier with DC voltage volume control. The LM4865 is capable
of delivering 750mW of continuous average power into an 8Ohm load with less than 1% THD when powered
by a 5V power supply. Switching between bridged speaker mode and headphone (single ended) mode is
accomplished using the headphone sense pin. To conserve power in portable applications, the LM4865's
micropower shutdown mode (IQ = 0.7A, typ) is activated when less than 300mV is applied to the DC
Vol/SD# pin.
Boomer audio power amplifiers are designed specifically to provide high power audio output while
maintaining high fidelity. They require few external components and operate on low supply voltages.
Features
q
DC voltage volume control
q
Headphone amplifier mode
q
"Click and pop" suppression
q
Shutdown control when volume control pin is low
q
Thermal shutdown protection
Key Specification
PO at 1.0% THD+N into 8Ohm SO, micro SMD 750mW (typ)
PO at 10% THD+N into 8Ohm SO, micro SMD 1W (typ)
Shutdown current
0.7A(typ)
Supply voltage range
2.7V to 5.5V
Applications
file:///H|/imaging/BITTING/cpl/20020808_1/08062002_10/NATL/08062002_HTML/LM4865.html (2 of 3) [09-Aug-2002 2:54:17 PM]
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PDF描述 |
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| LM4865MWC | 1 CHANNEL(S), VOLUME CONTROL CIRCUIT, UUC |
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| LM4866MT/NOPB | 1.5 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO20 |
| LM4866LQ/NOPB | 3.2 W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC24 |
| LM4866LQX/NOPB | 3.2 W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC24 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LM4865MM | 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 |
| LM4865MM/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 |
| LM4865MMX | 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 |
| LM4865MMX/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 |
| LM4865MX | 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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