Global Mixed-mode Technology Inc.
Electrical Characteristics
(continued)
THD+N vs Frequency
10
10
5
G1402
THD+N vs Output Power
VDD=3.3V
RL=16Ω
Av=-1
20kHz
20Hz
1kHz
2
1
VDD=3.3V
RL=32Ω
Po=25mW
Av=-4V/V
%
5
2
1
0.5
%
0.2
0.5
Av=-2V/V
0.2
0.1
0.1
0.05
0.05
0.02
Av=-1V/V
50
100
200
500
Hz
1k
2k
5k
10k
20k
0.02
0.01
20
0.01
2m
3m
4m
5m 6m 7m
10m
W
20m
30m
40m 50m
70m 100m
THD+N vs Frequency
10
100u
90u
5
80u
70u
60u
50u
Output Noise
VDD=5V
RL=32Ω
Av=-1
Cb=1µF
2
VDD=3.3V
RL=16Ω
Po=25mW
Av=-4V/V
Av=-2V/V
V
1
BW=20kHz , No filters
40u
0.5
%
0.2
30u
0.1
20u
0.05
A- Weighting
Av=-1V/V
0.02
0.01
20
50
100
200
500
Hz
1k
2k
5k
10k
20k
10u
20
50
100
200
500
Hz
1k
2k
5k
10k
20k
Channel Separation
-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
-110
-120
20
+0
Power Supply Rejection Ratio
T T T T T T T T T T T T T T T T T T T
-10
-20
-30
-40
VDD=5V
RL=32Ω
Av=-1
Po=70mW
Cb=1µF
Channel A to B
d
B
-50
-60
-70
-80
-90
-100
VDD=5V
RL=32Ω
Av=-1
Vripple=100mVrms
Cb=1µF
Vpin 3,5=2.5V FORCED
Channel B to A
50
100
200
500
Hz
1k
2k
5k
10k
20k
Ver: 1.2
Jun 28, 2004
TEL: 886-3-5788833
http://www.gmt.com.tw
5
GMT [ GLOBAL MIXED-MODE TECHNOLOGY INC ]
