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LM4875MX/NOPB PDF预览

LM4875MX/NOPB

更新时间: 2024-01-11 06:27:07
品牌 Logo 应用领域
德州仪器 - TI 放大器光电二极管商用集成电路音频放大器
页数 文件大小 规格书
26页 1724K
描述
具有精密直流音量控制和耳机放大器的 750mW、立体声、模拟输入、AB 类音频放大器 | D | 8 | -40 to 85

LM4875MX/NOPB 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:SOIC
包装说明:SOP, SOP8,.25针数:8
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.33.00.01Factory Lead Time:1 week
风险等级:0.67商用集成电路类型:VOLUME CONTROL CIRCUIT
JESD-30 代码:R-PDSO-G8JESD-609代码:e3
长度:4.9 mm湿度敏感等级:1
信道数量:1功能数量:1
端子数量:8最高工作温度:85 °C
最低工作温度:-40 °C标称输出功率:1 W
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP8,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):260
电源:3/5 V认证状态:Not Qualified
座面最大高度:1.75 mm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端子面层:Matte Tin (Sn)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:3.91 mmBase Number Matches:1

LM4875MX/NOPB 数据手册

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LM4875  
www.ti.com  
SNAS042C JANUARY 2002REVISED MAY 2013  
LM4875  
750 mW Audio Power Amplifier with DC Volume  
Control and Headphone Switch  
Check for Samples: LM4875  
1
FEATURES  
DESCRIPTION  
The LM4875 is a mono bridged audio power amplifier  
with DC voltage volume control. The LM4875 is  
capable of delivering 750mW of continuous average  
power into an 8load 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  
LM4875's micropower shutdown mode (IQ = 0.7µA,  
typ) is activated when less than 300mV is applied to  
the DC Vol/SD pin.  
2
Precision DC Voltage Volume Control  
Headphone Amplifier Mode  
“Click and Pop” Suppression  
Shutdown Control When Volume Control Pin Is  
Low  
Thermal Shutdown Protection  
APPLICATIONS  
GSM Phones and Accessories, DECT, Office  
Phones  
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.  
Hand Held Radio  
Other Portable Audio Devices  
KEY SPECIFICATIONS  
PO at 1.0% THD+N Into 8; 750 mW (typ)  
PO at 10% THD+N Into 8; 1 W (typ)  
Shutdown Current; 0.7µA(typ)  
Supply Voltage Range; 2.7V to 5.5 V  
TYPICAL APPLICATION  
CONNECTION DIAGRAM  
Small Outline Package (SOIC)  
Mini Small Outline Package (VSSOP)  
Top View  
See Package Number D, DGK  
Figure 1. Typical Audio Amplifier Application  
Circuit  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
All trademarks are the property of their respective owners.  
2
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2002–2013, Texas Instruments Incorporated  
 

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