G1420
Global Mixed-mode Technology Inc.
Output Power vs Supply Voltage
Output Power vs Supply Voltage
2.5
2
0.7
THD+N=1%
SE
Each Channel
THD+N=1%
BTL
Each Channel
0.6
0.5
0.4
0.3
0.2
0.1
0
RL=4
Ω
RL=8
Ω
1.5
1
RL=4
Ω
RL=3
Ω
RL=8
Ω
RL=32
5.5
Ω
0.5
0
2.5
3.5
4.5
5.5
6.5
2.5
3.5
4.5
6.5
Supply Voltage(V)
Supply Voltage (V)
Figure 48
Figure 47
Output Power vs Load Resistance
Output Power vs Load Resistance
2
1.8
1.6
1.4
1.2
1
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
THD+N=1%
BTL
Each Channel
VDD=5V
VDD=5V
THD+N=1%
SE
Each Channel
VDD=3.3V
0.8
0.6
0.4
0.2
0
VDD=3.3V
0
4
8
12
16
20
24
28
32
0
4
8
12
16
20
24
28
32
Load Resistance(Ω)
Load Resistance(Ω)
Figure 50
Figure 49
Power Dissipation vs Output Power
Power Dissipation vs Output Power
1.8
1.6
1.4
1.2
1
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
RL=3
Ω
RL=3
Ω
RL=4
Ω
RL=4
Ω
0.8
0.6
0.4
0.2
0
VDD=5V
BTL
Each Channel
VDD=3.3V
BTL
Each Channel
RL=8
Ω
RL=8
Ω
0
0.5
1
1.5
2
2.5
0
0.25
0.5
0.75
1
Output Pow er(W)
Po-Output Pow er(W)
Figure 52
Figure 51
TEL: 886-3-5788833
http://www.gmt.com.tw
Ver: 1.5
Aug 04, 2005
12
GMT [ GLOBAL MIXED-MODE TECHNOLOGY INC ]
