G1422 Datasheet, PDF (8/15 Pages) Global Mixed-mode Technology Inc – 2W Stereo Audio Amplifier

Global Mixed-mode Technology Inc.
G1422
Power Dippipation vs Output Power
1.8
1.6
RL=3Ω
1.4
1.2
RL=4Ω
1
VDD=5V
0.8
BTL
Each Channel
0.6
0.4
RL=8Ω
0.2
0
0
0.5
1
1.5
2
2.5
Po-Output Pow er(W)
Figure 29
Power Dissipation vs Output Power
0.8
0.7
RL=3Ω
0.6
0.5
RL=4Ω
0.4
0.3
0.2
RL=8Ω
0.1
VDD=3.3V
BTL
Each Channel
0
0
0.5
1
1.5
Po-Output Pow er(W)
Figure 30
Power Dissipation vs Output Power
0.35
0.3
RL=4Ω
0.25
0.2
RL=8Ω
0.15
0.1
RL=32Ω
0.05
VDD=5V
SE
Each Channel
0
0
0.2
0.4
0.6
0.8
Po-Output Pow er(W)
Figure 31
Recommended Minimum Footprint
TSSOP-20 (FD)
Power Dissipation vs Output Power
0.16
RL=4Ω
0.14
0.12
0.1
RL=8Ω
0.08
VDD=3.3V
SE
Each Channel
0.06
0.04
RL=32Ω
0.02
0
0
0.1
0.2
0.3
Po-Output Pow er(W)
Figure 32
Ver: 1.2
Jun 29, 2005
TEL: [phone]
http://www.gmt.com.tw
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