MIX3018
3W 立体声F 类音频功率放大器
典型特征曲线（D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
5
20
10
RL=8ohm Gain=20dB
VDD= 3.6V , 4.2V , 5V
RL=4ohm Gain=20dB
VDD= 3.6V , 4.2V , 5V
5
2
1
2
1
%
0.5
0.5
%
0.2
0.1
0.2
0.1
0.05
0.05
0.02
0.01
0.02
1m 2m 5m 10m
100m
500m 1
2
4
1m 2m
5m 10m 20m
100m
500m 1
2
W
W
THD+N VS FREQUENCY
Frequency Response
5
+24
+23
RL=8ohm Gain=20dB
Vo=1Vp‐p
2
1
+22
+21
+20
+19
+18
+17
d
B
g
0.5
%
0.2
0.1
A
0.05
RL=8ohm Gain=22.5dB
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
-40
RL=8ohm Gain=20dB
HuDun Demo
-60
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
6 / 10
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
