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LM4991LD PDF预览

LM4991LD

更新时间: 2024-01-01 12:06:14
品牌 Logo 应用领域
美国国家半导体 - NSC 放大器功率放大器
页数 文件大小 规格书
15页 540K
描述
3W Audio Power Amplifier with Shutdown Mode

LM4991LD 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

LM4991LD 数据手册

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Absolute Maximum Ratings (Note 2)  
Thermal Resistance  
θJC (LD) (Note 9)  
θJA (LD)  
4.3˚C/W  
56˚C/W  
35˚C/W  
140˚C/W  
If Military/Aerospace specified devices are required,  
please contact the National Semiconductor Sales Office/  
Distributors for availability and specifications.  
θJC (MA)  
Supply Voltage  
6.0V  
−65˚C to +150˚C  
−0.3V to VDD to +0.3V  
Internally Limited  
2000V  
θJA (MA)  
Supply Temperature  
Input Voltage  
Operating Ratings  
Temperature Range  
TMIN TA TMAX  
Supply Voltage  
Power Dissipation (Note 4)  
ESD Susceptibility (Note 5)  
ESD Susceptibility (Note 6)  
Junction Temperature  
−40˚C TA +85˚C  
2.2V VDD 5.5V  
200V  
150˚C  
Electrical Characteristics VDD = 5V (Notes 2, 3)  
The following specifications apply for VDD = 5V and RL = 8unless otherwise specified. Limits apply for TA = 25˚C.  
LM4991  
Symbol  
Parameter  
Conditions  
VIN = 0V, no Load  
Typical  
(Note 7)  
Limit  
(Note 8)  
7
Units  
(Limits)  
Quiescent Power Supply  
Current  
3
4
IDD  
mA (max)  
VIN = 0V, RL = 8Ω  
10  
ISD  
Shutdown Current  
Shutdown Voltage  
VSHUTDOWN = VDD  
0.1  
1.5  
1.3  
5
2.0  
µA (max)  
VSDIH  
VSDIL  
VOS  
V
V
Output Offset Voltage  
Output Power  
35  
mV (max)  
THD = 1% (max), f = 1kHz  
LM4991LD, RL = 3(Note 10)  
LM4991LD, RL = 4(Note 10)  
LM4991, RL = 8Ω  
2.38  
2.1  
W (min)  
W
1.3  
0.9  
Po  
THD+N = 10%, f = 1kHz  
LM4991LD, RL = 3(Note 10)  
LM4991LD, RL = 4(Note 10)  
LM4991, RL = 8Ω  
3
2.5  
1.5  
Total Harmonic  
Distortion+Noise  
Power Supply Rejection  
Ratio  
THD+N  
PSRR  
PO = 0.5W, f = 1kHz  
0.2  
%
VRIPPLE = 200mV sine p-p,  
Input terminated with 10,  
f = 1kHz  
64  
55  
dB (min)  
Electrical Characteristics VDD = 3V (Notes 2, 3)  
The following specifications apply for VDD = 3V and RL = 8unless otherwise specified. Limits apply for TA = 25˚C.  
LM4991  
Symbol  
Parameter  
Conditions  
VIN = 0V, no Load  
Typical  
(Note 7)  
Limit  
(Note 8)  
Units  
(Limits)  
Quiescent Power Supply  
Current  
3
4
7
7
IDD  
mA (max)  
VIN = 0V, RL = 8Ω  
ISD  
Shutdown Current  
VSHUTDOWN = VDD  
0.1  
1.1  
0.9  
5
2.0  
µA (max)  
VSDIH  
VSDIL  
VOS  
Po  
Shutdown Voltage Input High  
Shutdown Voltage Input Low  
Output Offset Voltage  
Output Power  
V
V
35  
mV (max)  
THD = 1% (max), f = 1kHz  
RL = 4Ω  
RL = 8Ω  
600  
425  
mW  
%
Total Harmonic  
Distortion+Noise  
THD+N  
PO = 0.25W, f = 1kHz  
3
0.1  
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