MIX3018
3W 立体声F 类音频功率放大器
典型特征曲线（F类工作模式）
(VDD =5V, Gain=20dB, RL =8Ω, T =25°C, unless otherwise noted.)
THD+N vs Output Power
THD+N vs Output Power
20
10
20
10
T
RL=8ohm Gain=20dB
VDD= 3.6V , 4.2V , 5V
RL=4ohm Gain=20dB
VDD= 3.6V , 4.2V , 5V
5
5
2
1
2
1
%
%
0.5
0.5
0.2
0.1
0.2
0.05
0.03
0.07
1m 2m
5m 10m 20m
100m
500m
1
2
1m 2m
5m 10m 20m
100m
500m
1
2
4
W
W
THD+N VS FREQUENCY
Frequency Response
+24
+23
5
RL=8ohm Gain=20dB
2
1
Vo=1Vp‐p
+22
+21
+20
+19
+18
+17
d
B
g
0.5
%
0.2
0.1
A
0.05
RL=8ohm Gain=22dB
Cin=0.1uF Rin=22K
0.02
0.01
+16
20
50 100 200 500 1k 2k
Hz
5k
20k
20
50 100 200 500 1k 2k
Hz
5k
20k
NOISE FLOOR FFT
RL=8ohm Gain=20dB
-40
-60
HuDun Demo
d
-80
B
V
-100
-120
10 20
50 100 200 500 1k 2k
5k 10k 20k
Hz
Shanghai Mixinno Microelectronics Co., Ltd
Rev 1.1 Jun.2012
7 / 10
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
