G1430 Datasheet, PDF (18/26 Pages) Global Mixed-mode Technology Inc – 2W Stereo Audio Amplifier

Global Mixed-mode Technology Inc.
G1430
10
9
8
7
6
5
4
3
2
1
0
3
SUPPLY CURRENT vs SUPPLY VOLTAGE
Stereo BTL
Stereo SE
3.5
4
4.5
5
5.5
6
SUPPLY VOLTAGE(V)
Figure 46
OUTPUT POWER vs SUPPLY VOLTAGE
2.5
THD+N=1%
BTL
2
Each Channel
1.5
RL=4Ω
RL=3Ω
1
0.5
RL=8Ω
0
2.5
3.5
4.5
5.5
6.5
SUPPLY VOLTAGE(V)
Figure 47
OUTPUT POWER vs SUPPLY VOLTAGE
0.7
0.6
THD+N=1%
SE
0.5
Each Channel
0.4
RL=4Ω
0.3
RL=8Ω
0.2
RL=32Ω
0.1
0
2.5
3.5
4.5
5.5
6.5
Supply Voltage(V)
Figure 48
OUTPUT POWER vs LOAD RESISTANCE
2
1.8
1.6
THD+N=1%
BTL
1.4
Each Channel
1.2
VDD=5V
1
0.8
0.6
0.4
0.2 ^VDD=3.3V
0
0 4 8 12 16 20 24 28 32
Load Resistance(Ω)
Figure 49
Ver: 1.0
Jan 15, 2004
TEL: [phone]
18
http://www.gmt.com.tw