Global Mixed-mode Technology Inc.
G1430
TOTAL HARMONIC DISTORTION PLUS NOISE
vs OUTPUT FREQUENCY
TOTAL HARMONIC DISTORTION PLUS NOISE
vs OUTPUT FREQUENCY
10
10
5
5
VDD=5V
VDD=5V
RL=8Ω
RL=8Ω
2
2
Av=-4V/V
BTL
Av=-2V/V
BTL
Po=1W
Po=1W
1
1
Po=0.25W
0.5
0.5
%
Av=-2V/V
%
0.2
0.1
0.2
0.1
Po=0.5W
0.05
0.05
Av=-1V/V
0.02
0.01
0.02
0.01
20
50
100
200
500
Hz
1k
2k
5k
10k 20k
20
50
100
200
500
Hz
1k
2k
5k
10k 20k
Figure 8
Figure 7
TOTAL HARMONIC DISTORTION PLUS NOISE
vs OUTPUT POWER
TOTAL HARMONIC DISTORTION PLUS NOISE
vs OUTPUT POWER
10
10
5
5
20kHz
20kHz
2
2
1
1
1kHz
1kHz
0.5
0.5
%
%
0.2
0.1
0.2
0.1
VDD=3.3V
RL=3Ω
BTL
VDD=3.3V
RL=4Ω
BTL
20Hz
0.05
0.05
20Hz
0.02
0.01
0.02
0.01
1m
2m
5m
10m
20m
50m
100m
200m
500m
1
1m
2m
5m
10m
20m
50m
100m
200m
500m
1
W
W
Figure 9
Figure 10
Ver: 1.0
Jan 15, 2004
TEL: 886-3-5788833
http://www.gmt.com.tw
7