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MAX9778 PDF预览

MAX9778

更新时间: 2024-01-26 10:02:26
品牌 Logo 应用领域
美信 - MAXIM /
页数 文件大小 规格书
27页 1208K
描述
Stereo 3W Audio Power Amplifiers with Headphone Drive and Input Mux

MAX9778 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:QFN包装说明:HVQCCN, LCC28,.2SQ,20
针数:28Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.33.00.01
风险等级:5.76标称带宽:22 kHz
商用集成电路类型:AUDIO AMPLIFIERJESD-30 代码:S-XQCC-N28
JESD-609代码:e3长度:5 mm
湿度敏感等级:1信道数量:2
功能数量:1端子数量:28
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:UNSPECIFIED
封装代码:HVQCCN封装等效代码:LCC28,.2SQ,20
封装形状:SQUARE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:32 mA
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):4.5 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:5 mm
Base Number Matches:1

MAX9778 数据手册

 浏览型号MAX9778的Datasheet PDF文件第3页浏览型号MAX9778的Datasheet PDF文件第4页浏览型号MAX9778的Datasheet PDF文件第5页浏览型号MAX9778的Datasheet PDF文件第7页浏览型号MAX9778的Datasheet PDF文件第8页浏览型号MAX9778的Datasheet PDF文件第9页 
Stereo 3W Audio Power Amplifiers with  
Headphone Drive and Input Mux  
Typical Operating Characteristics (continued)  
(V  
DD  
= PV  
= 5V, GND = PGND = ±V, V  
= 5V, C  
= 1µF, T = +ꢁ5°C, unless otherwise noted.)  
BIAS  
A
DD  
SHDN  
TOTAL HARMONIC DISTORTION PLUS NOISE  
vs. OUTPUT POWER (SPEAKER MODE)  
TOTAL HARMONIC DISTORTION PLUS NOISE  
vs. OUTPUT POWER (SPEAKER MODE)  
TOTAL HARMONIC DISTORTION PLUS NOISE  
vs. OUTPUT POWER (SPEAKER MODE)  
100  
100  
100  
A
= 4V/V  
A
= 2V/V  
V
A = 4V/V  
V
V
R = 4Ω  
L
R = 8Ω  
L
R = 8Ω  
L
10  
1
10  
10  
f = 10kHz  
1
1
f = 10kHz  
f = 1kHz  
f = 20Hz  
f = 10kHz  
0.1  
0.1  
0.1  
f = 1kHz  
f = 1kHz  
0.01  
0.001  
0.01  
0.001  
0.01  
0.001  
f = 20Hz  
0.5  
f = 20Hz  
0.5  
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5  
OUTPUT POWER (W)  
0
1.0  
1.5  
2.0  
0
1.0  
1.5  
2.0  
/MAX978  
OUTPUT POWER (W)  
OUTPUT POWER (W)  
OUTPUT POWER vs. AMBIENT TEMPERATURE  
OUTPUT POWER vs. AMBIENT TEMPERATURE  
OUTPUT POWER vs. AMBIENT TEMPERATURE  
(SPEAKER MODE)  
(SPEAKER MODE)  
(SPEAKER MODE)  
4
4
2.0  
THD+N = 10%  
THD+N = 10%  
THD+N = 10%  
3
3
1.5  
1.0  
0.5  
0
THD+N = 1%  
THD+N = 1%  
2
THD+N = 1%  
2
1
1
f = 1kHz  
R = 4Ω  
L
f = 1kHz  
R = 3Ω  
L
f = 1kHz  
R = 8Ω  
L
0
0
-40  
-15  
10  
35  
60  
85  
-40  
-15  
10  
35  
60  
85  
-40  
-15  
10  
35  
60  
85  
AMBIENT TEMPERATURE (°C)  
AMBIENT TEMPERATURE (°C)  
AMBIENT TEMPERATURE (°C)  
POWER DISSIPATION vs. OUTPUT POWER  
(SPEAKER MODE)  
OUTPUT POWER vs. LOAD RESISTANCE  
(SPEAKER MODE)  
1.6  
1.4  
1.2  
1.0  
0.8  
0.6  
0.4  
0.2  
0
5
4
3
2
1
0
f = 1kHz  
THD+N = 10%  
THD+N = 1%  
R = 4Ω  
f = 1kHz  
L
0
0.5  
1.0  
1.5  
2.0  
2.5  
1
10  
100  
1k  
10k  
100k  
OUTPUT POWER (W)  
LOAD RESISTANCE ()  
6
_______________________________________________________________________________________  

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