G1428 Datasheet, PDF (5/16 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
1kHz
0.5
%
0.2
0.1
0.05
0.02
VDD=5V
RL=4Ω
BTL,Av=-12V/V
20Hz
0.01
3m 5m
10m
20m
50 m
100m
W
200 m
Figure 11
50 0m
1
23
Toal Harmonic Distortion Plus
Noise vs Output Power
10
5
15kHz
2
1kHz
1
0.5
%
0.2
0.1
0.05
0.02
VDD=5V
RL=4Ω
BTL,Av=-24V/V
20Hz
0.01
3m 5m
10m
20m
50 m
100m
W
200 m
Figure 12
50 0m
1
23
Toal Harmonic Distortion Plus
Noise vs Frequency
10
5 VDD=5V
RL=8Ω
2 _BTL,Av=-2V/V
1
0.5
%
0.2
0.1
0.05
Po=1W
Po=0.25W
0.02
Po=0.5W
0.01
20
50
100
20 0
5 00
1k
2k
Hz
Figure 13
5k
10k 20 k
Toal Harmonic Distortion Plus
Noise vs Output Power
10
5
15kHz
2
1
VDD=5V
RL=8Ω
BTL,Av=-2V/V
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 15
50 0m
1
23
10
5
2
1
0.5
%
0.2
0.1
0.05
Toal Harmonic Distortion Plus
Noise vs Frequency
VDD=5V
RL=8Ω
BTL
Po=1W
Av=-24V/V
Av=-12V/V
Av=-2V/V
0.02
0.01
20
Av=-6V/V
50
100
20 0
5 00
1k
2k
Hz
Figure 14
5k
10k 20 k
Toal Harmonic Distortion Plus
Noise vs Output Power
10
5
15kHz
2
VDD=5V
RL=8Ω
BTL,Av=-6V/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 16
50 0m
1
23
Ver: 1.2
Mar 31, 2005
TEL: [phone]
http://www.gmt.com.tw
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