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G1421 参数 Datasheet PDF下载

G1421图片预览
型号: G1421
PDF下载: 下载PDF文件 查看货源
内容描述: 2W立体声音频放大器,无耳机耦合电容功能 [2W Stereo Audio Amplifier with No Headphone Coupling Capacitor Function]
分类和应用: 音频放大器
文件页数/大小: 24 页 / 432 K
品牌: GMT [ GLOBAL MIXED-MODE TECHNOLOGY INC ]
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Global Mixed-mode Technology Inc.
Supply Ripple Rejection
Ratio vs Frequency
+0
-10
-20
-30
-40
d
B
-50
-60
-70
-80
-90
-1 00
20
G1421
Crosstalk vs Frequency
T
-20
VDD=3.3V
RL=4
Ω
CB=4.7uF
-25
-30
-35
-40
-45
-50
-55
d
B
-60
-65
-70
-75
-80
-85
VDD=5V
Po=1.5W
RL=4
Ω
BTL
BTL
L to R
SE
50
1 00
2 00
5 00
Hz
1k
2k
5k
10k
20k
-90
-95
-100
20
R to L
50
100
200
500
Hz
1k
2k
5k
10k
20k
Figure 47
Figure 48
Crosstalk vs Frequency
-20
-25
-30
-35
-40
-45
-50
-55
d
B
-60
-65
-70
-75
-80
-85
-90
-95
-100
20
50
100
200
500
Hz
1k
2k
5k
10k
20k
d
B
-30
Crosstalk vs Frequency
-35
-40
-45
-50
-55
-60
-65
-70
-75
-80
-85
VDD=3.3V
Po=0.75W
RL=4
Ω
BTL
VDD=5V
Po=75mW
RL=32
Ω
SE
L to R
R to L
R to L
-90
-95
-1 00
20
50
10 0
20 0
50 0
Hz
1k
2k
L to R
5k
10 k
20k
Figure 49
Figure 50
Crosstalk vs Frequency
-30
-35
-40
-45
-50
-55
-60
d
B
-65
-70
-75
-80
-85
-90
-95
-1 00
20
50
10 0
20 0
50 0
Hz
1k
2k
-2 0
Crosstalk vs Frequency
-2 5
-3 0
-3 5
-4 0
-4 5
-5 0
-5 5
VDD=3.3V
Po=35mW
RL=32
Ω
SE
d
B
VDD=5V
Po=75mW
RL=32Ω
HP-IN
R to L
R to L
-6 0
-6 5
-7 0
-7 5
-8 0
-8 5
L to R
L to R
5k
10 k
20k
-9 0
-9 5
-10 0
20
50
100
20 0
50 0
Hz
1k
2k
5k
10 k
20 k
Figure 51
Figure 52
Ver: 1.6
Aug 04, 2005
TEL: 886-3-5788833
http://www.gmt.com.tw
12