G1420 Datasheet, PDF (4/20 Pages) Global Mixed-mode Technology Inc – 2W Stereo Audio Amplifier

Global Mixed-mode Technology Inc.
G1420
Typical Characteristics
Table of Graphs
THD +N Total Harmonic Distortion Plus
Noise
Output Noise Voltage
Supply Ripple Rejection Ratio
V_{n Crosstalk}
Closed Loop Response
I_DD Supply Current
P_O Output Power
P_D Power Dissipation
vs Output Power
vs Frequency
vs Frequency
vs Frequency
vs Frequency
vs Frequency
vs Supply Voltage
vs Load Resistance
vs Load Resistance
vs Output Power
FIGURE
1,3,6,9,10,13,16,19,22,25,28,31
2,4,5,7,8,11,12,14,15,17,18,20,21,23,24,26,27,29,30,32,33
34,35
36,37
38,39,40,41
42,43,44,45
46
47,48
49,50
51,52,53,54
Total Harmonic Distortion Plus
Noise vs Output Power
10
5
20kHz
2
1
0.5
%
0.2
1kHz
0.1
20 Hz
0 .05
0 .02
VDD=5V
RL=3Ω
BTL
0 .01
3 m 5 m 10m 20m
5 0m
1 00m
W
20 0m
Figure 1
500 m
1
23
Total Harmonic Distortion Plus
Noise vs Output Frequency
10
5
2
1
0.5
%
0.2
0.1
0 .05
0 .02
0 .01
20
Po=1.8W
Po=1.5W
VDD=5V
RL=3Ω
BTL
Av=-2V/V
50
10 0 2 00
5 00
1k
2k
Hz
Figure 2
5k
10 k 20k
Total Harmonic Distortion Plus
Noise vs Output Power
10
5
20kHz
2
1
0.5
%
0.2
1kHz
0.1
0 .05
20 Hz
0 .02
VDD=5V
RL=4Ω
BTL
0 .01
3 m 5 m 10m 20m
5 0m
1 00m
W
20 0m
Figure 3
500 m
1
23
10
5
2
1
0.5
%
0.2
0.1
0 .05
0 .02
0 .01
20
Total Harmonic Distortion Plus
Noise vs Output Frequency
Av=-4V/V
Av=-2V/V
Av=-1V/V
VDD=5V
RL=4Ω
BTL
Po=1.5W
50
10 0 2 00
5 00
1k
2k
Hz
Figure 4
5k
10 k 20k
Ver: 1.5
Aug 04, 2005
TEL: [phone]
http://www.gmt.com.tw
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