G1428F31UF
| Model | G1428F31UF |
| Description | 2W Stereo Audio Amplifier |
| PDF file | Total 16 pages (File size: 339K) |
| Chip Manufacturer | GMT |
Global Mixed-mode Technology Inc.
G1428
Toal Harmonic Distortion Plus
Noise vs Output Power
Toal Harmonic Distortion Plus
Noise vs Output Power
10
5
10
15kHz
5
15kHz
2
1
0.5
%
0.2
0.1
0.05
%
2
1
0.5
1kHz
1kHz
0.2
0.1
0.05
VDD=5V
RL=8Ω
BTL,Av=-12V/V
5m
10m
20m
50m
100m
W
200m
0.02
0.01
3m
20Hz
500m
1
2
3
VDD=5V
RL=8Ω
BTL,Av=-24V/V
20Hz
0.02
0.01
3m
5m
10m
20m
50m
100m
W
200m
500m
1
2
3
Figure 17
Figure 18
Toal Harmonic Distortion Plus
Noise vs Frequency
10
5
10
Toal Harmonic Distortion Plus
Noise vs Output Power
5
2
1
0.5
%
0.2
0.1
0.05
VDD=5V
RL=32Ω
SE,Av=-1V/V
2
1
0.5
VDD=5V
RL=32Ω
SE,Av=-1V/V
Po=50mW
%
15kHz
Po=75mW
0.2
0.1
0.05
20Hz
1kHz
2m
5m
10m
20m
W
50m
100m
200m
500m
1
0.02
0.01
20
Po=25mW
50
100
200
500
Hz
1k
2k
5k
10k
20k
0.02
0.01
1m
Figure 19
Figure 20
Toal Harmonic Distortion Plus
Noise vs Frequency
10
5
10
5
Toal Harmonic Distortion Plus
Noise vs Output Voltage
VDD=5V
RL=10Ω
SE,Av=-1V/V
Cout=1000µF
2
1
0.5
%
0.2
0.1
0.05
VDD=5V
RL=10kΩ
SE,Av=-1V/V
Cout=1000µF
%
2
1
0.5
0.2
0.1
0.05
20Hz
15kHz
1kHz
200m
300m
400m 500m
700m
1
2
3
Vo-Output Voltage-Vrms
Vo=1Vrms
0.02
0.01
20
0.02
0.01
100m
50
100
200
500
Hz
1k
2k
5k
10k
20k
Figure 21
Figure 22
Ver: 1.2
Mar 31, 2005
TEL: 886-3-5788833
http://www.gmt.com.tw
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