G1430 Datasheet, PDF (19/26 Pages) Global Mixed-mode Technology Inc – 2W Stereo Audio Amplifier

Global Mixed-mode Technology Inc.
G1430
OUTPUT POWER vs LOAD RESISTANCE
0.7
0.6
THD+N=1%
SE
0.5
Each Channel
VDD=5V
0.4
0.3
0.2
0.1
VDD=3.3V
0
0 4 8 12 16 20 24 28 32
Load Resistance(Ω)
Figure 50
POWER DISSIPATION vs OUTPUT POWER
1.8
1.6
1.4
RL=3Ω
1.2
1
0.8
RL=4Ω
0.6
VDD=5V
0.4
RL=8Ω
BTL
0.2
Each Channel
0
0
0.5
1
1.5
2
2.5
Po-Output Power(W)
Figure 51
POWER DISSIPATION vs OUTPUT POWER
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0
RL=3Ω
RL=4Ω
RL=8Ω
VDD=3.3V
BTL
Each Channel
0.25
0.5
0.75
1
Output Power(W)
Figure 52
POWER DISSIPATION vs OUTPUT POWER
0.35
0.3
RL=4Ω
0.25
0.2
RL=8Ω
0.15
0.1
0.05
RL=32Ω
VDD=5V
SE
Each Channel
0
0
0.2
0.4
0.6
0.8
Output Power(W)
Figure 53
Ver: 1.0
Jan 15, 2004
TEL: [phone]
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http://www.gmt.com.tw