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LM4888SQ PDF预览

LM4888SQ

更新时间: 2024-02-06 04:18:39
品牌 Logo 应用领域
美国国家半导体 - NSC 商用集成电路音频放大器
页数 文件大小 规格书
22页 1174K
描述
Dual 2.1W Audio Amplifier Plus Stereo Headphone & 3D Enhancement

LM4888SQ 技术参数

是否Rohs认证:符合生命周期:Obsolete
包装说明:QCCN, LCC24,.16SQ,20Reach Compliance Code:compliant
风险等级:5.83Is Samacsys:N
商用集成电路类型:AUDIO AMPLIFIERJESD-30 代码:S-PQCC-N24
JESD-609代码:e3湿度敏感等级:1
功能数量:2端子数量:24
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:QCCN
封装等效代码:LCC24,.16SQ,20封装形状:SQUARE
封装形式:CHIP CARRIER电源:3/5 V
认证状态:Not Qualified子类别:Audio/Video Amplifiers
最大压摆率:10 mA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:QUADBase Number Matches:1

LM4888SQ 数据手册

 浏览型号LM4888SQ的Datasheet PDF文件第2页浏览型号LM4888SQ的Datasheet PDF文件第3页浏览型号LM4888SQ的Datasheet PDF文件第4页浏览型号LM4888SQ的Datasheet PDF文件第6页浏览型号LM4888SQ的Datasheet PDF文件第7页浏览型号LM4888SQ的Datasheet PDF文件第8页 
Electrical Characteristics (3V) (Notes 3, 7, 13)  
The following specifications apply for VDD = 3V unless otherwise noted. Limits apply for TA = 25˚C.  
Symbol  
Parameter  
Conditions  
LM4888  
Units  
(Limits)  
Typical  
Limit  
(Note 8)  
4.5  
(Note 9)  
IDD  
Quiescent Power Supply Current VIN = 0V, IO = 0A (Note 10) , BTL mode  
VIN = 0V, IO = 0A (Note 10) , SE mode  
mA  
mA  
µA  
2.5  
ISD  
Shutdown Current  
GND applied to the SHUTDOWN pin  
0.01  
2.2  
VIH  
Headphone High Input Voltage  
Headphone Low Input Voltage  
Shutdown, Headphone micro,  
3D Control  
V
VIL  
1.5  
V
VIHSD  
1
1.4  
.4  
V (min)  
High Input voltage  
VILSD  
Shutdown, Headphone micro,  
3D Control  
0.8  
V (max)  
ms  
Low Input voltage  
TWU  
Turn On Time  
1µF Bypass Cap (C6)  
140  
Electrical Characteristics for Bridged-Mode Operation (3V) (Notes 3, 7, 13)  
The following specifications apply for VDD = 3V unless otherwise specified. Limits apply for TA = 25˚C.  
Symbol  
Parameter  
Conditions  
LM4888  
Typical Limit  
Units  
(Limits)  
(Note 8) (Note 9)  
5
VOS  
Output Offset Voltage  
VIN = 0V  
mV  
THD+N = 1%, f = 1kHz (Note 12)  
LM4888SQ, RL = 3Ω  
LM4888SQ, RL = 4Ω  
LM4888SQ, RL = 8Ω  
THD+N = 10%, f = 1kHz (Note 12)  
LM4888SQ, RL = 3Ω  
LM4888SQ, RL = 4Ω  
LM4888SQ, RL = 8Ω  
1kHz  
.82  
.70  
.43  
W
W
W
PO  
Output Power (Note 11)  
1.0  
.85  
.53  
W
W
W
THD+N Total Harmonic Distortion+Noise  
LM4888SQ, RL = 4, PO = 280mW  
LM4888SQ, RL = 8, PO = 200mW  
Input Unterminated, 217Hz  
Vripple = 200mVp-p  
0.1  
0.05  
90  
%
%
dB  
C6= 1µF, RL = 8Ω  
Input Unterminated, 1kHz  
Vripple = 200mVp-p  
80  
65  
73  
dB  
dB  
dB  
C6= 1µF, RL = 8Ω  
PSRR  
Power Supply Rejection Ratio  
Input grounded, 217Hz  
Vripple = 200mVp-p  
C6= 1µF, RL = 8Ω  
Input grounded, 1kHz  
Vripple = 200mVp-p  
C6= 1µF, RL = 8Ω  
XTALK  
VNO  
Channel Separation  
Output Noise Voltage  
f = 1kHz, C6 = 1.0µF, 3D Control = Low  
1kHz, A-weighted  
85  
21  
dB  
µV  
5
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