G1431 Datasheet, PDF (3/13 Pages) Global Mixed-mode Technology Inc – 2W Stereo Audio Amplifier

Global Mixed-mode Technology Inc.
Typical Characteristics
Table of Graphs
vs Frequency
THD +N Total harmonic distortion plus noise
vs Output Power
V_n Output noise voltage
vs Frequency
Supply ripple rejection ratio
vs Frequency
Crosstalk
vs Frequency
P_O Output power
vs Load Resistance
P_D Power dissipation
vs Output Power
FIGURE
1,2,7,8,13,14
3,4,5,6,9,10,11,12,15,16,17,18
21
19
20
22
23
G1431
Total Harmonic Distortion
Plus Noise vs Frequency
10
5 VDD=5V
RL=3Ω
2 _Po=1.75W
1
Av=21.6dB
0.5
%
0.2
Av=15.6dB
0.1
0.05
Av=6dB
0.02
Av=10dB
0.01
20
50
100
200
500
1k
2k
Hz
Figure 1
5k
10k 20k
Total Harmonic Distortion Plus
Noise vs Output Power
10
5
VDD=5V
RL=3Ω, Av=6dB
2
1 15kHz
0.5
%
0.2
1kHz
0.1
0.05
20Hz
0.02
0.01
3m 5m
10m 20m
50m 100m 200m
W
Figure 3
500m
1
23
Total Harmonic Distortion
Plus Noise vs Frequency
10
5 VDD=5V
RL=3Ω
2 _Av=6dB
1
0.5
%
0.2
0.1
Po=1W
Po=0.5W
0.05
0.02 _Po=1.5W
0.01
20
50
100
200
500
1k
2k
Hz
Figure 2
5k
10k 20k
10
5
2
1
0.5
%
0.2
0.1
0.05
Total Harmonic Distortion Plus
Noise vs Output Power
15kHz
VDD=5V
RL=3Ω, Av=10dB
1kHz
20Hz
0.02
0.01
3m 5m
10m 20m
50m 100m 200m
W
Figure 4
500m
1
23
Ver: 1.3
Sep 23, 2005
TEL: [phone]
http://www.gmt.com.tw
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