Global Mixed-mode Technology Inc.
G1432
Total Harmonic Distortion Plus
Noise vs Output Frequency
Total Harmonic Distortion Plus
Noise vs Output Frequency
10
10
VDD=3.3V
5
5
VDD=3.3V
RL=4
Ω
Av=-4V/V
RL=4
BTL
Po=0.65W
Ω
BTL
Av=-2V/V
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
500
Hz
1k
2k
5k
10k
20k
20
50
100
2 00
500
Hz
1k
2 k
5k
10k
20k
Figure 12
Figure 11
Total Harmonic Distortion Plus
Noise vs Output Frequency
Total Harmonic Distortion Plus
Noise vs Output Power
10
10
5
VDD=3.3V
5
VDD=3.3V
RL=8
BTL
Ω
RL=8
Ω
20kHz
2
1
Av=-4V/V
2
1
BTL
Po=0.4W
Av=-2V/V
0.5
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
20
50
100
200
500
Hz
1k
2k
5 k
10k
20k
1m
2m
5m
10m
20m
50m
100m
200m
500 m
1
W
Figure 13
Figure 14
Total Harmonic Distortion Plus
Noise vs Output Frequency
Output Noise Voltage
vs Frequency
10
5
100u
90u
VDD=3.3V
80u
70u
RL=8
Ω
60u
50u
2
1
BTL
Av=-2V/V
Po=0.4W
40u
30u
0.5
BW=22Hz to 22kHz
A- Weighted Filter
%
V
Po=0.1W
0.2
0.1
20u
VDD=5V
0.05
Po=0.25W
RL=4
Ω
0.02
0.01
10u
20
20
50
100
2 00
500
Hz
1k
2 k
5k
10k
20k
50
100
200
50 0
Hz
1k
2k
5 k
10k
20k
Figure 15
Figure 16
TEL: 886-3-5788833
http://www.gmt.com.tw
Ver: 1.1
Jun 21, 2006
6
GMT [ GLOBAL MIXED-MODE TECHNOLOGY INC ]
