G1430 Datasheet, PDF (8/26 Pages) Global Mixed-mode Technology Inc – 2W Stereo Audio Amplifier

Global Mixed-mode Technology Inc.
G1430
TOTAL HARMONIC DISTORTION PLUS NOISE
vs OUTPUT FREQUENCY
TOTAL HARMONIC DISTORTION PLUS NOISE
vs OUTPUT FREQUENCY
10
5 _VDD=3.3V
RL=4Ω
2 _BTL
1 _Po=0.65W
0.5
%
0.2
0.1
0.05
Av=-4V/V
Av=-2V/V
Av=-1V/V
0.02
0.01
20
50
100 200
500
1k
2k
Hz
Figure 11
5k
10k 20k
10
5
2
1
0.5
%
0.2
0.1
0.05
VDD=3.3V
RL=4Ω
BTL
Av=-2V/V
Po=0.7W
Po=0.1W
Po=0.35W
0.02
0.01
20
50
100 200
500
1k
2k
Hz
Figure 12
5k
10k 20k
TOTAL HARMONIC DISTORTION PLUS NOISE
vs OUTPUT POWER
TOTAL HARMONIC DISTORTION PLUS NOISE
vs OUTPUT FREQUENCY
10
5
2
1
0.5
%
0.2
0.1
0.05
0.02
0.01
1m
2m
20kHz
VDD=3.3V
RL=8Ω
BTL
1kHz
20Hz
5m 10m 20m
50m 100m 200m
W
Figure 13
500m 1
10
5
2
1
0.5
%
0.2
0.1
0.05
VDD=3.3V
RL=8Ω
BTL
Po=0.4W
Av=-4V/V
Av=-2V/V
Av=-1V/V
0.02
0.01
20
50
100 200
500
1k
2k
Hz
Figure 14
5k
10k 20k
Ver: 1.0
Jan 15, 2004
TEL: [phone]
8
http://www.gmt.com.tw