G1428F31U
| Model | G1428F31U |
| Description | 2W Stereo Audio Amplifier |
| PDF file | Total 16 pages (File size: 339K) |
| Chip Manufacturer | GMT |
Global Mixed-mode Technology Inc.
G1428
Output Power vs Load Resistance
0.7
0.6
Power Dissipation
Output Power(W)
0.5
0.4
0.3
0.2
0.1
0
4
8
12
16
20
24
28
32
Load Resistance(Ω)
VDD=5V
THD+N=1%
SE
Each Channel
1.8
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0
0
Power Dissipation vs Output Power
RL=3Ω
RL=4Ω
VDD=5V
BTL
Each Channel
RL=8Ω
0.5
1
1.5
2
2.5
Po-Output Power(W)
Figure 29
Figure 30
Power Dissipation vs Output Power
0.35
0.3
Power Dissipation(W)
0.25
0.2
RL=8Ω
RL=4Ω
Recommended PCB Footprint
0.15
0.1
RL=32Ω
VDD=5V
SE
Each Channel
0.05
0
0
0.2
0.4
0.6
0.8
Po-Output Power(W)
Figure 31
Ver: 1.2
Mar 31, 2005
TEL: 886-3-5788833
http://www.gmt.com.tw
8
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