G1428 Datasheet, PDF (3/16 Pages) Global Mixed-mode Technology Inc – 2W Stereo Audio Amplifier

Global Mixed-mode Technology Inc.
Typical Characteristics
Table of Graphs
G1428
THD +N Total harmonic distortion plus noise
Output noise voltage
V_{n Supply ripple rejection ratio}
Crosstalk
P_O Output power
P_D Power dissipation
vs Frequency
vs Output Power
vs Output Voltage
vs Frequency
vs Frequency
vs Frequency
vs Load Resistance
vs Output Power
FIGURE
1,2,7,8,13,14,19,21
3,4,5,6,9,10,11,12,15,16,17,18,20
22
27
23,24
25,26
28,29
30,31
10
5
2
1
0.5
%
0.2
0.1
0.05
Toal Harmonic Distortion Plus
Noise vs Frequency
VDD=5V
RL=3Ω
BTL
Po=1.75W
Av=-24V/V
Av=-2V/V
0.02 _Av=-6V/V
0.01
20
50
100
Av=-12V/V
20 0
5 00
1k
2k
Hz
Figure 1
5k
10k 20 k
Toal Harmonic Distortion Plus
Noise vs Output Power
10
5
15kHz
2
VDD=5V
RL=3Ω
BTL,Av=-2V/V
1
0.5
%
0.2
1kHz
0.1
0.05
20Hz
0.02
0.01
3m 5m
10m
20m
50 m
100m
W
200 m
Figure 3
50 0m
1
23
Toal Harmonic Distortion Plus
Noise vs Frequency
10
5 VDD=5V
RL=3Ω
2 BTL,Av=-2V/V
1
0.5
%
0.2
Po=1W
0.1
Po=0.5W
0.05
0.02
0.01
20
Po=1.75W
50
100
20 0
5 00
1k
2k
Hz
Figure 2
5k
10k 20 k
Toal Harmonic Distortion Plus
Noise vs Output Power
10
5
15kHz
2
1
0.5
%
0.2
1kHz
0.1
VDD=5V
0.05
RL=3Ω
BTL,Av=-6V/V
0.02
20Hz
0.01
3m 5m
10m 20m
50 m
100m
W
200 m
Figure 4
50 0m
1
23
Ver: 1.2
Mar 31, 2005
TEL: [phone]
http://www.gmt.com.tw
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