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LM4865MWC PDF预览

LM4865MWC

更新时间: 2024-11-18 13:09:23
品牌 Logo 应用领域
美国国家半导体 - NSC 开关放大器功率放大器
页数 文件大小 规格书
9页 343K
描述
IC 1 CHANNEL(S), VOLUME CONTROL CIRCUIT, UUC, WAFER, Audio Control IC

LM4865MWC 技术参数

生命周期:Transferred包装说明:DIE, WAFER
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.35
Is Samacsys:N商用集成电路类型:VOLUME CONTROL CIRCUIT
JESD-30 代码:X-XUUC-N信道数量:1
功能数量:1最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:UNSPECIFIED
封装代码:DIE封装等效代码:WAFER
封装形状:UNSPECIFIED封装形式:UNCASED CHIP
电源:3/5 V认证状态:Not Qualified
子类别:Audio/Video Amplifiers最大压摆率:7 mA
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):2.7 V
表面贴装:YES温度等级:INDUSTRIAL
端子形式:NO LEAD端子位置:UPPER
Base Number Matches:1

LM4865MWC 数据手册

 浏览型号LM4865MWC的Datasheet PDF文件第2页浏览型号LM4865MWC的Datasheet PDF文件第3页浏览型号LM4865MWC的Datasheet PDF文件第4页浏览型号LM4865MWC的Datasheet PDF文件第5页浏览型号LM4865MWC的Datasheet PDF文件第6页浏览型号LM4865MWC的Datasheet PDF文件第7页 
December 1999  
LM4865  
750 mW Audio Power Amplifier with DC Volume Control  
and Headphone Switch  
n Hand held radio  
n Other portable audio devices  
General Description  
The LM4865 is a mono bridged audio power amplifier with  
DC volume control, capable of delivering 750 mW of continu-  
ous average power into an 8load with less than 1% THD  
Key Specifications  
n PO at 1.0% THD+N into 8(SOP): 750 mW (typ)  
n PO at 10% THD+N into 8(SOP): 1W (typ)  
n Shutdown Current: 0.7 µA (typ)  
from a 5V power supply. Switching between bridged speaker  
mode and headphone (single ended) mode is accomplished  
via a headphone sense pin. In addition, LM4865 is set into  
low current consumption shutdown mode (0.7 µA typical) by  
lowering the DC Vol/SD pin to below 0.3V.  
Features  
n DC volume control  
n Headphone amplifier mode  
n “Click and pop” suppression  
n Shutdown control when volume control pin is low  
n Thermal shutdown protection  
Boomer audio power amplifiers are designed specifically to  
provide high power audio output, with quality sound, from a  
low supply voltage source while requiring the minimal  
amount of external components.  
Applications  
n GSM phones and accessories, DECT, office phones  
Typical Application  
Connection Diagram  
MSOP, SOP Package  
DS101025-2  
Top View  
Order Number LM4865M, LM4865MM  
See NS Package Number M08A, MUA08A  
DS101025-1  
FIGURE 1. Typical Audio Amplifier  
Application Circuit  
BOOMER is a trademark of National Semiconductor Corporation.  
© 1999 National Semiconductor Corporation  
DS101025  
www.national.com  

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