G1427 Datasheet, PDF (6/16 Pages) Global Mixed-mode Technology Inc – 2W Stereo Audio Amplifier

Global Mixed-mode Technology Inc.
G1427
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0.5
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Total Harmonic Distortion Plus
Noise vs Output Power
15kHz
VDD=5V
RL=8Ω
BTL,Av=15.6dB
1kHz
20Hz
0.02
0.01
3m 5m
10m 20m
50 m
100m
W
200 m
Figure 17
50 0m
1
23
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%
0.2
0.1
0.05
Total Harmonic Distortion Plus
Noise vs Frequency
VDD=5V
RL=32Ω
SE,Av=4.1dB
Po=50mW
Po=75mW
0.02
0.01
20
Po=25mW
50
10 0
200
50 0
1k
2k
Hz
Figure 19
5k
1 0k 20k
Total Harmonic Distortion Plus
Noise vs Output Power
10
5
2
1
0.5
%
0.2
1kHz
15kHz
0.1
VDD=5V
0.05
RL=8Ω
BTL,Av=21.6dB
0.02
20Hz
0.01
3m 5m
10m
20m
50 m
100m
W
200 m
Figure 18
50 0m
1
23
10
5
2
1
0.5
%
0.2
0.1
0.05
Total Harmonic Distortion Plus
Noise vs Output Power
VDD=5V
RL=32Ω
SE,Av=4.1dB
15kHz
20Hz
0.02
0.01
1m
2m
5m
10 m
2 0m
W
Figure 20
1kHz
50m
100m 20 0m
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0.5
%
0.2
0.1
0.05
Total Harmonic Distortion Plus
Noise vs Frequency
VDD=5V
RL=10kΩ
SE,Av=4.1dB
Cout=1000µF
Vo=1Vrms
0.02
0.01
20
50
10 0
200
50 0
1k
2k
Hz
Figure 21
5k
1 0k 20k
Ver: 1.3
Sep 23, 2005
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5
2
1
0.5
%
0.2
0.1
0.05
Total Harmonic Distortion Plus
Noise vs Output Voltage
VDD=5V
RL=10kΩ
SE,Av=4.1dB
Cout=1000µF
15kHz
20Hz
0.02 1kHz
0.01
100m
2 00m
300 m 400 m 50 0m 7 00m
1
Vo-Outpu t Vol tage-Vrms
Figure 22
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TEL: [phone]
http://www.gmt.com.tw
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