G1402 GMT [Global Mixed-mode Technology Inc], G1402 Datasheet - Page 5

• Manufacturer Part Number: G1402
• Description: Stereo Headphone Power Amplifier
• Manufacturer: GMT [Global Mixed-mode Technology Inc]

Electrical Characteristics
Ver: 1.2
Jun 28, 2004
%
B
d
%
0.05
0.02
0.01
-100
0.05
0.02
0.01
0.5
0.2
0.1
-20
-25
-30
-35
-40
-45
-50
-55
-60
-65
-70
-75
-80
-85
-90
-95
10
0.5
0.2
0.1
10
5
2
1
20
5
2
1
20
20
VDD=3.3V
RL=16Ω
Po=25mW
VDD=5V
RL=32Ω
Av=-1
Po=70mW
Cb=1µF
VDD=3.3V
RL=32Ω
Po=25mW
Av=-1V/V
50
50
50
Av=-2V/V
Global Mixed-mode Technology Inc.
Av=-2V/V
100
100
100
THD+N vs Frequency
Channel Separation
THD+N vs Frequency
200
200
200
Channel B to A
500
500
500
Hz
Hz
Hz
1k
1k
Channel A to B
1k
Av=-4V/V
2k
2k
2k
Av=-4V/V
(continued)
Av=-1V/V
5k
5k
5k
10k
10k
10k
20k
20k
20k
5
B
%
d
V
-100
-110
-120
0.05
0.02
0.01
100u
-10
-20
-30
-40
-50
-60
-70
-80
-90
0.5
0.2
0.1
90u
80u
70u
60u
50u
40u
30u
20u
10u
+0
10
5
2
1
2m
T
T
T
20
20
T
T
T
T
T T
20Hz
VDD=3.3V
RL=16Ω
Av=-1
T
3m
VDD=5V
RL=32Ω
Av=-1
Cb=1µF
Power Supply Rejection Ratio
VDD=5V
RL=32Ω
Av=-1
Vripple=100mVrms
Cb=1µF
Vpin 3,5=2.5V FORCED
T
T
T
T
T
50
50
T
T
T
4m
THD+N vs Output Power
T
100
A- Weighting
T
T
T
T
5m 6m 7m
100
T
T
T
T
T
T
T
20kHz
200
T
200
Output Noise
T
T
T
10m
T
BW=20kHz , No filters
500
T
500
Hz
T
T
T
W
Hz
T
T
1k
1k
20m
T
http://www.gmt.com.tw
TEL: [phone]
2k
G1402
2k
30m
1kHz
40m 50m
5k
5k
10k
70m
10k
100m
20k
20k