G1422 Datasheet, PDF (5/15 Pages) Global Mixed-mode Technology Inc – 2W Stereo Audio Amplifier

Global Mixed-mode Technology Inc.
G1422
Total Harmonic Distortion Plus
Noise vs Frequency
10
5 VDD=3.3V
RL=8Ω
2 _BTL
1 ^Po=0.45W
Av=-4V/V
0.5
%
0.2
0.1
Av=-2V/V
0.05
0.02 Av=-1V/V
0.01
20
50
100
200
500
1k
2k
Hz
Figure 11
5k
10k 20k
Total Harmonic Distortion Plus
Noise vs Output Power
10
5
2 _20kHz
1
VDD=5V
RL=4Ω
SE
Av=-2V/V
0.5
%
0.2 1kHz
0.1
0.05
100Hz
0.02
0.01
1m
2m
5m 10m 20m
50m 100m 200m
W
Figure 12
500m 1
Total Harmonic Distortion Plus
Noise vs Output Power
10
5 VDD=5V
RL=8Ω
2 _SE
Av=-2V/V
1
0.5
%
0.2
20kHz
0.1 1kHz
0.05
0.02 100kHz
0.01
1m
2m
5m 10m 20m
50m 100m 200m
W
Figure 13
500m 1
Total Harmonic Distortion Plus
Noise vs Output Power
10
5 _VDD=5V
RL=16Ω
2
SE
1 _Av=-2V/V
0.5
%
0.2
20kHz
0.1
0.05
20 Hz
0.02
0.01
1m
2m
1kHz
5m
10m
20m
W
50m 100m 200m 500m
Figure 14
Total Harmonic Distortion Plus
Noise vs Frequency
10
5
VDD=5V
2 ^RL=16Ω
SE
1 _Po=150mW
0.5
%
0.2
Av=-4V/V
0.1
Av=-2V/V
0.05
0.02
0.01
20
50
100 200
Av=-1V/V
500
1k
2k
Hz
5k
10k 20k
Figure 15
10
5
2
1
0.5
%
0.2
Total Harmonic Distortion Plus
Noise vs Output Power
VDD=5V
RL=32Ω
SE
Av=-2V/V
20kHz
0.1
0.05
1kHz
20 Hz
0.02
0.01
1m
2m
5m 10m 20m
50m 100m 200m
W
Figure 16
500m 1
Ver: 1.2
Jun 29, 2005
TEL: [phone]
http://www.gmt.com.tw
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