参数资料
型号: G1421F
厂商: Global Mixed-mode Technology Inc.
英文描述: 2W Stereo Audio Amplifier with No Headphone Coupling Capacitor Function
中文描述: 2W立体声音频放大器耦合电容器没有耳机功能
文件页数: 6/24页
文件大小: 442K
代理商: G1421F
Ver: 1.6
Aug 04, 2005
TEL: 886-3-5788833
http://www.gmt.com.tw
14
G1421
Global Mixed-mode Technology Inc.
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
2.53.5
4.55.5
6.5
Supply Voltage(V)
P
o-
O
utpu
tP
ow
er
(W
)
THD+N=1%
SE
Each Channel
RL=4Ω
RL=8Ω
RL=32Ω
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2
0
4
8
12
16
20
24
28
32
Load Resistance()
P
o-
O
utput
P
ow
er
(W
)
VDD=5V
THD+N=1%
BTL
Each Channel
VDD=3.3V
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0
4
8
12
16
20
24
28
32
Load Resistance()
P
o-
O
utpu
tP
ow
er
(W
)
THD+N=1%
SE
Each Channel
VDD=3.3V
VDD=5V
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
00.5
1
1.5
22.5
Po-Output Pow er(W)
P
owe
rDi
ss
ip
at
io
n(
W
)
VDD=5V
BTL
Each Channel
RL=3Ω
RL=4Ω
RL=8Ω
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0
0.25
0.5
0.75
1
Output Pow er(W)
P
owe
rDi
ss
ip
at
io
n(
W
)
VDD=3.3V
BTL
Each Channel
RL=3Ω
RL=4Ω
RL=8Ω
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0
0.2
0.4
0.6
0.8
Output Pow er(W)
P
ow
er
D
is
sip
at
io
n(
W)
VDD=5V
SE
Each Channel
RL=4Ω
RL=8Ω
RL=32Ω
Figure 59
Figure 60
Figure 61
Figure 62
Figure 63
Figure 64
Output Power vs Supply Voltage
Output Power vs Load Resistance
Power Dissipation vs Output Power
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