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LM4867LQX/NOPB

更新时间： 2024-11-21 19:59:47
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德州仪器 - TI /
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LM4867LQX/NOPB 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：QFN
包装说明：HVQCCN, LCC24,.16SQ,20针数：24
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.33.00.01风险等级：5.84
标称带宽：20 kHz商用集成电路类型：AUDIO AMPLIFIER
JESD-30 代码：R-PQCC-N24JESD-609代码：e3
长度：5 mm湿度敏感等级：3
信道数量：2功能数量：1
端子数量：24最高工作温度：85 °C
最低工作温度：-40 °C标称输出功率：3 W
封装主体材料：PLASTIC/EPOXY封装代码：HVQCCN
封装等效代码：LCC24,.16SQ,20封装形状：RECTANGULAR
封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度（摄氏度）：260
电源：5 V认证状态：Not Qualified
座面最大高度：0.8 mm子类别：Audio/Video Amplifiers
最大压摆率：15 mA最大供电电压 (Vsup)：5.5 V
最小供电电压 (Vsup)：2 V表面贴装：YES
温度等级：INDUSTRIAL端子面层：Matte Tin (Sn)
端子形式：NO LEAD端子节距：0.5 mm
端子位置：QUAD处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：4 mm

LM4867LQX/NOPB 数据手册

 浏览型号LM4867LQX/NOPB的Datasheet PDF文件第2页浏览型号LM4867LQX/NOPB的Datasheet PDF文件第3页浏览型号LM4867LQX/NOPB的Datasheet PDF文件第4页浏览型号LM4867LQX/NOPB的Datasheet PDF文件第5页浏览型号LM4867LQX/NOPB的Datasheet PDF文件第6页浏览型号LM4867LQX/NOPB的Datasheet PDF文件第7页 
August 2002  
LM4867  
Output-Transient-Free Dual 2.1W Audio Amplifier Plus  
No Coupling Capacitor Stereo Headphone Function  
General Description  
Key Specifications  
n PO at 1% THD+N  
The LM4867 is a dual bridge-connected audio power ampli-  
fier which, when connected to a 5V supply, will deliver 2.1W  
to a 4Ω load (Note 1) or 2.4W to a 3Ω load (Note 2) with less  
than 1.0% THD+N. The LM4867 uses advanced, latest gen-  
eration circuitry to eliminate all traces of clicks and pops  
when the supply voltage is first applied. The amplifier has a  
headphone-amplifier-select input pin. It is used to switch the  
amplifiers from bridge to single-ended mode for driving  
headphones. A new circuit topology eliminates headphone  
output coupling capacitors (patent pending). A MUX control  
pin allows selection between the two sets of stereo input  
signals. The MUX control can also be used to select be-  
tween two different customer-specified closed-loop re-  
sponses.  
n
n
n
n
LM4867LQ, 3Ω load  
LM4867LQ, 4Ω load  
LM4867MTE, 4Ω  
LM4867MT, 8Ω  
2.4W (typ)  
2.1W (typ)  
1.9W (typ)  
1.1W (typ)  
n Single-ended mode - THD+N at 75mW into 32Ω  
(max)  
n Shutdown current  
0.5%  
0.7µA (typ)  
Features  
n Advanced “click and pop” suppression circuitry  
n Eliminates headphone amplifier output coupling  
capacitors (patent pending)  
Boomer audio power amplifiers are designed specifically to  
provide high quality output power from a surface mount  
package and require few external components. To simplify  
audio system design, the LM4867 combines dual bridge  
speaker amplifiers and stereo headphone amplifiers in one  
package.  
n Stereo headphone amplifier mode  
n Input mux control and two separate inputs per channel  
n Thermal shutdown protection circuitry  
n LLP, TSSOP, and exposed-DAP TSSOP packaging  
available  
The LM4867 features an externally controlled power-saving  
micropower shutdown mode, a stereo headphone amplifier  
mode, and thermal shutdown protection.  
Note 1: An LM4867LQ or LM4867MTE that has been properly mounted to  
a circuit board will deliver 2.1W into 4Ω. The Mux control can also be used to  
select two different closed-loop responses. LM4867MT will deliver 1.1W into  
8Ω. See the Application Information sections for further information concern-  
ing the LM4867LQ and the LM4867MT.  
Applications  
n Multimedia monitors  
n Portable and desktop computers  
n Portable audio systems  
Note 2: An LM4867LQ or LM4867MTE that has been properly mounted to a  
circuit board and forced-air cooled will deliver 2.4W into 3Ω.  
Connection Diagrams  
20001358  
Top View  
Order Number LM4867MT, LM4867MTE  
See NS Package Number MTC20 for TSSOP  
See NS Package Number MXA20A for Exposed-DAP TSSOP  
Boomer® is a registered trademark of National Semiconductor Corporation.  
© 2004 National Semiconductor Corporation  
DS200013  
www.national.com  
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中文翻译

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与LM4867LQX/NOPB相关器件

型号 品牌 获取价格 描述 数据表
LM4867MT NSC

获取价格

 		Output-Transient-Free Dual 2.1W Audio Amplifier Plus No Coupling Capacitor Stereo Headphon
LM4867MT/NOPB TI

获取价格

 		1.5W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO20, 4.40 MM, TSSOP-20
LM4867MTE NSC

获取价格

 		Output-Transient-Free Dual 2.1W Audio Amplifier Plus No Coupling Capacitor Stereo Headphon
LM4867MTE/NOPB TI

获取价格

 		3W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO20, 6.50 X 4.40 MM, 0.90 MM HEIGHT, EXPOSED PAD, TSSOP
LM4867MTEX TI

获取价格

 		3 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO20
LM4867MTEX/NOPB ROCHESTER

获取价格

 		3W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO20, 6.50 X 4.40 MM, 0.90 MM HEIGHT, EXPOSED PAD, PLAST
LM4867MTEX/NOPB TI

获取价格

 		3W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO20, 6.50 X 4.40 MM, 0.90 MM HEIGHT, EXPOSED PAD, PLAST
LM4867MTX TI

获取价格

 		1.5W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO20, 4.40 MM, TSSOP-20
LM4868 NSC

获取价格

 		Output-Transient-Free Dual 2.1W Audio Amplifier Plus No Coupling Capacitor Stereo Headphon
LM4868LQ NSC

获取价格

 		Output-Transient-Free Dual 2.1W Audio Amplifier Plus No Coupling Capacitor Stereo Headphon

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