G1420
Global Mixed-mode Technology Inc.
Supply Ripple Rejection Ratio vs Frequency
Output Noise Voltage vs Frequency
10 0u
90u
80u
+0
T
VDD=3.3V
-10
-20
-30
BW=22Hz to 20kHz
70u
60u
VDD=5V
RL=4
RL=4
Ω
Ω
50u
40u
CB=4.7uF
Vo BTL
Vo SE
-40
-50
d
B
V
30u
20u
BTL
-60
-70
-80
-90
SE
10u
20
-100
20
50
100
200
500
Hz
1k
2k
5k
10k
20k
50
100
200
500
Hz
1k
2k
5k
10k
20k
Figure 35
Figure 36
Crosstale vs Frequency
Supply Ripple Rejection Ratio vs Frequency
+0
-20
-25
T
-10
VDD=3.3V
RL=4
VDD=5V
Po=1.5W
-30
-35
-40
-45
-50
-55
-60
-65
Ω
-20
-30
RL=4
BTL
CB=4.7uF
Ω
-40
-50
d
B
d
B
BTL
L to R
-60
-70
-80
-90
-70
-75
-80
-85
-90
-95
R to L
SE
-100
20
-100
50
100
200
500
Hz
1k
2k
5k
10k
20k
20
50
100
200
500
Hz
1k
2k
5k
10k 20k
Figure 37
Figure 38
Crosstale vs Frequency
Crosstale vs Frequency
-30
-35
-40
-20
-25
VDD=3.3V
Po=0.75W
-30
-35
-40
VDD=5V
Po=75mW
-45
-50
RL=4
BTL
Ω
RL=32
Ω
-45
-50
-55
-55
-60
SE
d
B
d
B
-60
-65
-70
-75
-80
-85
-65
-70
R to L
L to R
-75
-80
-85
-90
-95
-90
-95
R to L
L to R
-100
-100
20
20
50
100
200
500
Hz
1k
2k
5k
10k 20k
50
100
200
500
Hz
1k
2k
5k
10k
20k
Figure 39
Figure 40
TEL: 886-3-5788833
http://www.gmt.com.tw
Ver: 1.5
Aug 04, 2005
10
GMT [ GLOBAL MIXED-MODE TECHNOLOGY INC ]
