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MAX9750BEUI+ PDF预览

MAX9750BEUI+

更新时间: 2024-02-23 05:18:03
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美信 - MAXIM 放大器功率放大器
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MAX9750BEUI+ 数据手册

 浏览型号MAX9750BEUI+的Datasheet PDF文件第5页浏览型号MAX9750BEUI+的Datasheet PDF文件第6页浏览型号MAX9750BEUI+的Datasheet PDF文件第7页浏览型号MAX9750BEUI+的Datasheet PDF文件第9页浏览型号MAX9750BEUI+的Datasheet PDF文件第10页浏览型号MAX9750BEUI+的Datasheet PDF文件第11页 
2.6W Stereo Audio Power Amplifiers and  
DirectDrive Headphone Amplifiers  
Typical Operating Characteristics (continued)  
(Measurement BW = 22Hz to 22kHz, T = +25°C, unless otherwise noted.)  
A
TOTAL HARMONIC DISTORTION PLUS NOISE  
vs. OUTPUT POWER (HEADPHONE MODE)  
TOTAL HARMONIC DISTORTION PLUS NOISE  
vs. OUTPUT POWER (HEADPHONE MODE)  
TOTAL HARMONIC DISTORTION PLUS NOISE  
vs. OUTPUT POWER (HEADPHONE MODE)  
1000  
100  
10  
1000  
100  
10  
1000  
100  
10  
V
= 5V  
V
= 5V  
DD  
V
= 3.3V  
DD  
DD  
R = 16Ω  
R = 32Ω  
R = 16Ω  
L
L
L
A
= 3dB  
A = 3dB  
V
A
= 3dB  
V
V
f
IN  
= 1kHz  
f
IN  
= 1kHz  
1
1
1
f
IN  
= 10kHz  
f
IN  
= 10kHz  
f
IN  
= 10kHz  
0.1  
0.1  
0.1  
f
IN  
= 20Hz  
0.01  
0.001  
0.01  
0.001  
0.01  
0.001  
f
= 1kHz  
100  
IN  
f
IN  
= 20Hz  
20  
0
25  
50  
75  
125  
150  
0
40  
60  
80  
100  
10  
40  
OUTPUT POWER (mW)  
0
20  
30  
50  
60  
OUTPUT POWER (mW)  
OUTPUT POWER (mW)  
OUTPUT POWER vs. LOAD RESISTANCE  
(HEADPHONE MODE)  
POWER DISSIPATION vs. OUTPUT POWER  
(HEADPHONE MODE)  
TOTAL HARMONIC DISTORTION PLUS NOISE  
vs. OUTPUT POWER (HEADPHONE MODE)  
180  
160  
140  
120  
100  
80  
250  
225  
200  
175  
150  
125  
100  
75  
1000  
100  
10  
V
= 3.3V  
DD  
L
V
R = 32Ω  
A
THD+N = 10%  
R = 16  
L
= 3dB  
f
= 1kHz  
IN  
1
f
IN  
= 10kHz  
R = 32  
L
60  
0.1  
40  
V
= 5V  
50  
DD  
THD+N = 1%  
0.01  
0.001  
f = 1kHz  
= P  
20  
25  
P
+ P  
OUTR  
OUT  
OUTL  
0
0
10  
100  
1000  
0
25 50 75 100 125 150 175 200 225 250  
OUTPUT POWER (mW)  
40 50  
OUTPUT POWER (mW)  
90  
0
10 20 30  
60 70 80  
LOAD RESISTANCE ()  
OUTPUT POWER vs. SUPPLY VOLTAGE  
(HEADPHONE MODE)  
POWER-SUPPLY REJECTION RATIO  
vs. FREQUENCY (HEADPHONE MODE)  
125  
100  
75  
50  
25  
0
0
-10  
-20  
-30  
-40  
-50  
-60  
-70  
-80  
-90  
-100  
V
A
= 200mV  
P-P  
= 10.5dB  
RIPPLE  
V
R = 16Ω  
L
OUTPUT REFERRED  
R = 32Ω  
L
f = 1kHz  
3.0  
3.5  
4.0  
4.5  
5.0  
5.5  
10  
100  
1k  
FREQUENCY (Hz)  
10k  
100k  
SUPPLY VOLTAGE (V)  
±
_______________________________________________________________________________________  

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