G1430 Datasheet, PDF (7/26 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
2
1
0.5
%
0.2
0.1
0.05
VDD=5V
RL=8Ω
BTL
Av=-2V/V
Po=0.25W
Po=1W
Po=0.5W
0.02
0.01
20
50
100 200
500
1k
2k
Hz
Figure 7
5k
10k 20k
10
5 VDD=5V
RL=8Ω
2 _BTL
1 ^Po=1W
Av=-4V/V
0.5
%
0.2
Av=-2V/V
0.1
0.05
Av=-1V/V
0.02
0.01
20
50
100 200
500
1k
2k
Hz
Figure 8
5k
10k 20k
TOTAL HARMONIC DISTORTION PLUS NOISE
vs OUTPUT POWER
TOTAL HARMONIC DISTORTION PLUS NOISE
vs OUTPUT POWER
10
5
20kHz
2
1
0.5
%
0.2
1kHz
0.1
VDD=3.3V
0.05 _RL=3Ω
BTL
0.02
20Hz
0.01
1m
2m
5m 10m 20m
50m 100m 200m
W
Figure 9
500m 1
10
5
20kHz
2
1
0.5
%
0.2
1kHz
0.1
VDD=3.3V
0.05 _RL=4Ω
0.02
BTL
20Hz
0.01
1m
2m
5m 10m 20m
50m 100m 200m
W
Figure 10
500m 1
Ver: 1.0
Jan 15, 2004
TEL: [phone]
7
http://www.gmt.com.tw