G1428 Datasheet, PDF (6/16 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=8Ω
BTL,Av=-12V/V
0.02
20Hz
0.01
3m 5m
10m
20m
50m 100m 200m
W
Figure 17
500m
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=8Ω
BTL,Av=-24V/V
0.02
20Hz
0.01
3m 5m
10m
20m
50m 100m 200m
W
Figure 18
500m
1
23
10
5
2
1
0.5
%
0.2
0.1
0.05
0.02
0.01
20
Toal Harmonic Distortion Plus
Noise vs Frequency
VDD=5V
RL=32Ω
SE,Av=-1V/V
Po=50mW
Po=75mW
Po=25mW
50
100
200
500
1k
2k
Hz
Figure 19
5k
10k 20k
Toal Harmonic Distortion Plus
Noise vs Output Power
10
5 _VDD=5V
RL=32Ω
2 _SE,Av=-1V/V
1
0.5
%
0.2
15kHz
0.1
20Hz
0.05
0.02
1kHz
0.01
1m
2m
5m
10m 20m
50m 100m 200m
W
Figure 20
500m 1
10
5
2
1
0.5
%
0.2
0.1
0.05
Toal Harmonic Distortion Plus
Noise vs Frequency
VDD=5V
RL=10kΩ
SE,Av=-1V/V
Cout=1000µF
Vo=1Vrms
0.02
0.01
20
50
100
200
500
1k
2k
Hz
Figure 21
5k
10k 20k
10
5
2
1
0.5
%
0.2
0.1
0.05
Toal Harmonic Distortion Plus
Noise vs Output Voltage
VDD=5V
RL=10Ω
SE,Av=-1V/V
Cout=1000µF
20Hz
15kHz
0.02
0.01
100m
1kHz
200m
300m 400m 500m 700m
1
Vo-Output Voltage-Vrms
Figure 22
2
3
Ver: 1.2
Mar 31, 2005
TEL: [phone]
http://www.gmt.com.tw
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