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LM4914MHX/NOPB PDF预览

LM4914MHX/NOPB

更新时间： 2024-09-10 20:00:43
品牌 Logo 应用领域
美国国家半导体 - NSC 驱动光电二极管
页数 文件大小 规格书
15页 385K
描述
IC,HEADPHONE DRIVER,TSSOP,10PIN,PLASTIC

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中文翻译

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LM4914MHX/NOPB 技术参数

是否Rohs认证： 符合生命周期：Obsolete
包装说明：TSSOP, TSSOP10,.19,20Reach Compliance Code：compliant
风险等级：5.84JESD-30 代码：R-PDSO-G10
JESD-609代码：e3湿度敏感等级：1
端子数量：10最高工作温度：85 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：TSSOP封装等效代码：TSSOP10,.19,20
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
电源：3/5 V认证状态：Not Qualified
子类别：Audio/Video Amplifiers最大压摆率：6.5 mA
表面贴装：YES温度等级：INDUSTRIAL
端子面层：Matte Tin (Sn)端子形式：GULL WING
端子节距：0.5 mm端子位置：DUAL
Base Number Matches：1

LM4914MHX/NOPB 数据手册

 浏览型号LM4914MHX/NOPB的Datasheet PDF文件第2页浏览型号LM4914MHX/NOPB的Datasheet PDF文件第3页浏览型号LM4914MHX/NOPB的Datasheet PDF文件第4页浏览型号LM4914MHX/NOPB的Datasheet PDF文件第5页浏览型号LM4914MHX/NOPB的Datasheet PDF文件第6页浏览型号LM4914MHX/NOPB的Datasheet PDF文件第7页 
March 2003  
LM4914  
1W Monaural, 85mW Stereo Headphone Audio Amplifier  
j
General Description  
Micro-power shutdown supply current  
0.03µA (typ)  
j
PSRR (f = 1kHz)  
The unity-gain stable LM4914 is both a mono differential  
output (for bridge-tied loads, or BTL) audio power amplifier  
and a single-ended (SE) stereo headphone amplifier. Oper-  
ating on a single 5V supply, the mono BTL mode delivers 1W  
into an 8Ω load. In SE stereo mode, the amplifier delivers  
85mW to 32Ω loads. The LM4914 features circuitry that  
suppresses output transients ("clicks and pops").  
VDD = at 3.0V, BTL Mode  
VDD = at 5.0V, BTL Mode  
52dB (typ)  
52dB (typ)  
Features  
n Advanced "click and pop" suppression circuitry  
n Stereo headphone amplifier mode  
n Low current micro-power shutdown mode  
n Thermal shutdown protection circuitry  
n 2.5V to 5.5V operation  
The LM4914 is designed for notebook and other handheld  
portable applications. It delivers high quality output power  
from a surface-mount package and requires few external  
components. The LM4914 is pin and functionally compatible  
with the TPA0253.  
n Unity-gain stable  
n Gain set with external resistors  
n Space-saving exposed-DAP TSSOP package  
Other features include an active-low micro-power shutdown  
mode and thermal shutdown protection.  
The LM4914 is available in a space efficient 10-lead  
exposed-DAP TSSOP package.  
Applications  
n PDAs  
n Cellular phones  
Key Specifications  
j
BTL output power (RL = 8Ω)  
n Handheld portable electronic devices  
VDD = at 3.0V, THD = 0.1%  
VDD = at 5.0V, THD = 0.1%  
SE output power (RL = 32Ω)  
VDD = at 3.0V, THD = 0.1%  
VDD = at 5.0V, THD = 0.1%  
330mW (typ)  
1W (typ)  
j
30mW (typ)  
85mW (typ)  
Connection Diagram  
200634A0  
Top View  
Order Number LM4914MH  
See NS package Number MXF10A  
Boomer® is a registered trademark of National Semiconductor Corporation.  
© 2003 National Semiconductor Corporation  
DS200634  
www.national.com  
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