G1428 Datasheet, PDF (8/16 Pages) Global Mixed-mode Technology Inc – 2W Stereo Audio Amplifier

Global Mixed-mode Technology Inc.
G1428
Output Power vs Load Resistance
0.7
0.6
VDD=5V
0.5
THD+N=1%
SE
0.4
Each Channel
0.3
0.2
0.1
0
4
8 12 16 20 24 28 32
Load Resistance(Ω)
Figure 29
Power Dissipation vs Output Power
1.8
1.6
RL=3Ω
1.4
1.2
RL=4Ω
1
VDD=5V
0.8
BTL
0.6
Each Channel
0.4
0.2
RL=8Ω
0
0
0.5
1
1.5
2
2.5
Po-Output Power(W)
Figure 30
Power Dissipation vs Output Power
0.35
0.3
0.25
0.2
RL=4Ω
RL=8Ω
0.15
0.1
0.05
0
0
RL=32Ω
VDD=5V
SE
Each Channel
0.2
0.4
0.6
0.8
Po-Output Power(W)
Figure 31
Recommended PCB Footprint
Ver: 1.2
Mar 31, 2005
TEL: [phone]
http://www.gmt.com.tw
8