G1428 Datasheet, PDF (4/16 Pages) Global Mixed-mode Technology Inc – 2W Stereo Audio Amplifier

Global Mixed-mode Technology Inc.
G1428
Toal Harmonic Distortion Plus
Noise vs Output Power
10
5
15kHz
2
1
0.5
%
0.2
1kHz
0.1
VDD=5V
0.05
RL=3Ω
BTL,Av=-12V/V
0.02
20Hz
0.01
3m 5m
10m
20m
50 m
100m
W
200 m
Figure 5
50 0m
1
23
Toal Harmonic Distortion Plus
Noise vs Output Power
10
5
1kHz
2
15kHz
1
0.5
%
0.2
20Hz
0.1
VDD=5V
0.05
RL=3Ω
BTL,Av=-24V/V
0.02
0.01
3m 5m
10m 20m
50 m
100m
W
200 m
Figure 6
50 0m
1
23
Toal Harmonic Distortion Plus
Noise vs Frequency
10
5
Av=-24V/V
2
1
0.5
%
0.2
0.1
0.05
Av=-12V/V
0.02 Av=-2V/V
Av=-6V/V
VDD=5V
RL=4Ω
BTL
Po=1.75W
0.01
20
50
100
20 0
5 00
1k
2k
Hz
Figure 7
5k
10k 20 k
10
5
2
1
0.5
%
0.2
0.1
0.05
Toal Harmonic Distortion Plus
Noise vs Frequency
VDD=5V
RL=4Ω
BTL,Av=-2V/V
Po=1.5W
Po=0.25W
0.02
0.01
20
Po=1W
50
100
20 0
5 00
1k
2k
Hz
Figure 8
5k
10k 20 k
Toal Harmonic Distortion Plus
Noise vs Output Power
10
5
15kHz
2
VDD=5V
RL=4Ω
BTL,Av=-2V/V
1
0.5
%
0.2
1kHz
0.1
0.05
20Hz
0.02
0.01
3m 5m
10m
20m
50 m
100m
W
200 m
Figure 9
50 0m
1
23
Toal Harmonic Distortion Plus
Noise vs Output Power
10
5
15kHz
2
1
0.5
%
0.2
1kHz
0.1
VDD=5V
0.05
RL=4Ω
BTL,Av=-6V/V
0.02
20Hz
0.01
3m 5m
10m 20m
50 m
100m
W
200 m
Figure 10
50 0m
1
23
Ver: 1.2
Mar 31, 2005
TEL: [phone]
http://www.gmt.com.tw
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