G1420
Global Mixed-mode Technology Inc.
Total Harmonic Distortion Plus
Noise vs Output Frequency
Total Harmonic Distortion Plus
Noise vs Output Frequency
10
10
5
VDD=3.3V
5
VDD=3.3V
Av=-4V/V
RL=4
BTL
Av=-2V/V
Ω
RL=4
BTL
Po=0.65W
Ω
2
1
2
1
Po=0.7W
Av=-2V/V
0.5
0.5
%
%
Po=0.1W
0.2
0.1
0.2
0.1
Po=0.35W
Av=-1V/V
0.05
0.05
0.02
0.01
0.02
0.01
20
50
100
2 00
5 00
Hz
1k
2 k
5k
10k
20k
20
50
10 0
2 00
5 00
Hz
1k
2k
5k
10k
20k
Figure 11
Figure 12
Total Harmonic Distortion Plus
Noise vs Output Power
Total Harmonic Distortion Plus
Noise vs Output Frequency
10
5
10
VDD=3.3V
5
VDD=3.3V
RL=8
Ω
RL=8
Ω
20kHz
2
1
BTL
2
1
Av=-4V/V
BTL
Po=0.4W
0.5
Av=-2V/V
0.5
%
%
1kHz
0.2
0.1
0.2
0.1
0.05
0.05
Av=-1V/V
20Hz
0.02
0.01
0.02
0.01
1m
2m
5m
10m
20 m
50 m
10 0m
2 00m
500 m
1
20
50
10 0
200
500
Hz
1k
2 k
5 k
10 k
20k
W
Figure 13
Figure 14
Total Harmonic Distortion Plus
Noise vs Output Frequency
Total Harmonic Distortion Plus
Noise vs Output Power
10
5
10
5
VDD=5V
VDD=3.3V
RL=4
SE
RL=8
BTL
Av=-2V/V
Ω
Ω
2
1
2
1
Po=0.4W
20kHz
0.5
0.5
%
%
Po=0.1W
0.2
0.1
0.2
0.1
1kHz
0.05
0.05
Po=0.25W
100Hz
0.02
0.01
0.02
0.01
20
50
10 0
2 00
5 00
Hz
1k
2k
5k
10k
20k
1m
2m
5m
1 0m
20m
50 m
10 0m
2 00 m
500 m
1
W
Figure 15
Figure 16
TEL: 886-3-5788833
http://www.gmt.com.tw
Ver: 1.5
Aug 04, 2005
6