G1421 Datasheet, PDF (7/24 Pages) Global Mixed-mode Technology Inc – 2W Stereo Audio Amplifier with No Headphone Coupling Capacitor Function

Global Mixed-mode Technology Inc.
G1421
Total Harmonic Distortion Plus
Noise vs Output Frequency
10
5 VDD=5V
RL=4Ω
2 SE
1 ^Po=0.5W
Av=-4V/V
0.5
%
0.2
Av=-2V/V
0.1
0 .05
Av=-1V/V
0 .02
0 .01
20
50
10 0 2 00
5 00
1k
2k
Hz
Figure 17
5k
10 k 20k
Total Harmonic Distortion Plus
Noise vs Output Frequency
10
5 _VDD=5V
RL=4Ω
2 _SE
1 Av=-2V/V
Po=0.4W
0.5
%
0.2
0.1
Po=0.1W
0 .05
Po=0.25W
0 .02
0 .01
20
50
10 0 2 00
5 00
1k
2k
Hz
Figure 18
5k
10 k 20k
Total Harmonic Distortion Plus
Noise vs Output Power
10
5 VDD=5V
RL=8Ω
2 SE
1
0.5
%
0.2
20kHz
0.1
1kHz
0 .05
0 .02
100Hz
0 .01
1m
2m
5m 1 0m 20 m
50 m 10 0m 2 00 m
W
Figure 19
500 m 1
Total Harmonic Distortion Plus
Noise vs Output Frequency
10
5 _VDD=5V
RL=8Ω
2
SE
1 _Po=0.25W
0.5
%
0.2
Av=-2V/V
0.1
Av=-4V/V
0 .05
0 .02
0 .01
20
Av=-1V/V
50
10 0 2 00
5 00
1k
2k
Hz
Figure 20
5k
10 k 20k
Total Harmonic Distortion Plus
Noise vs Output Frequency
10
5 VDD=5V
RL=8Ω
2 _SE
1 ^Av=-2
0.5
%
0.2
Po=0.05W
0.1
0 .05
Po=0.1W
0 .02
Po=0.25W
0 .01
20
50
10 0 2 00
5 00
1k
2k
Hz
Figure 21
5k
10 k 20k
Total Harmonic Distortion Plus
Noise vs Output Power
10
5
2
1
0.5
0.2
%
0.1
0 .05
VDD=5V
RL=32Ω
SE
20Hz
20kHz
0 .02
0 .01
0.0 05
0.0 02
0.0 01
1m
2m
1kHz
5m
10 m
20 m
W
50m
10 0m 2 00m
Figure 22
Ver: 1.6
Aug 04, 2005
TEL: [phone]
http://www.gmt.com.tw
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