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LM4991 PDF预览

LM4991

更新时间: 2024-02-08 19:28:04
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
22页 989K
描述
3W Audio Power Amplifier with Shutdown Mode

LM4991 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:8542.33.00.01风险等级:0.86
标称带宽:20 kHz商用集成电路类型:AUDIO AMPLIFIER
谐波失真:1%JESD-30 代码:R-PDSO-G8
JESD-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:1.3 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:2.6/5 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:10 mA
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):2.2 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:3.9 mm
Base Number Matches:1

LM4991 数据手册

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LM4991  
SNAS217A MAY 2004REVISED APRIL 2013  
www.ti.com  
Typical Application  
Figure 3. Typical Audio Amplifier Application Circuit  
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam  
during storage or handling to prevent electrostatic damage to the MOS gates.  
Absolute Maximum Ratings(1)(2)  
Supply Voltage  
6.0V  
65°C to +150°C  
0.3V to VDD to +0.3V  
Internally Limited  
2000V  
Supply Temperature  
Input Voltage  
Power Dissipation(3)  
ESD Susceptibility(4)  
ESD Susceptibility(5)  
Junction Temperature  
Thermal Resistance  
200V  
150°C  
θJC (LD)(6)  
θJA (LD)  
4.3°C/W  
56°C/W  
θJC (MA)  
θJA (MA)  
35°C/W  
140°C/W  
(1) Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for  
which the device is functional, but do not ensure specific performance limits. Electrical Characteristics VDD= 5V state DC and AC  
electrical specifications under particular test conditions which ensure specific performance limits. This assumes that the device is within  
the Operating Ratings. Specifications are not ensure for parameters where no limit is given, however, the typical value is a good  
indication of device performance.  
(2) If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/ Distributors for availability and  
specifications.  
(3) The maximum power dissipation must be derated at elevated temperatures and is dictated by TJMAX, θJA, and the ambient temperature  
TA. The maximum allowable power dissipation is PDMAX = (TJMAX–TA)/θJA or the number given in Absolute Maximum Ratings, whichever  
is lower. For the LM4991, TJMAX = 150°C. For the θJA's for different packages, please see theApplication Information section or the  
Absolute Maximum Ratings section.  
(4) Human body model, 100pF discharged through a 1.5kresistor.  
(5) Machine Model, 220pF–240pF discharged through all pins.  
(6) The given θJA is for an LM4991 packaged in an LDC08A with the Exposed–DAP soldered to an exposed 1in2 area of 1oz printed circuit  
board copper.  
Operating Ratings  
Temperature Range  
T
MIN TA TMAX  
40°C TA +85°C  
2.2V VDD 5.5V  
Supply Voltage  
2
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Copyright © 2004–2013, Texas Instruments Incorporated  
Product Folder Links: LM4991  
 

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