Global Mixed-mode Technology Inc.
G1426
TOTAL HARMONIC DISTORTION PLUS NOISE
vs FREQUENCY
SUPPLY RIPPLE REJECTION RATIO
vs FREQUENCY
10
5
+0
-10
-5
2
1
0.5
%
0.2
0.1
0.05
VDD=3.3V
RL=8Ω
BTL
Po=0.45W
Av=-2V/V
-15
-20
-25
Av=-4V/V
d
B
-30
-35
-40
-45
-50
-55
-60
-65
-70
-75
-80
-85
VDD=5V
RL=4Ω
CB=4.7µF
Vripple=0.5Vpp
BTL Mode
0.02
0.01
20
Av=-1V/V
50
100
200
500
Hz
1k
2k
5k
10k
20k
-90
-95
-100
20
50
100
200
500
Hz
1k
2k
5k
10k
20k
Figure 11
Figure 12
OUTPUT NOISE VOLTAGE vs FREQUENCY
100u
90u
80u
70u
60u
50u
40u
CHANNEL SEPARATION
-30
-35
-40
-45
-50
-55
VDD=5V
Po=1.5W
RL=4Ω
BTL
Channel A to B
V
30u
VDD=5V RL=4Ω
BTL Mode 20kHz
-60
d
B
-65
-70
-75
20u
-80
-85
-90
-95
Channel B to A
50
100
200
500
Hz
1k
2k
5k
10k
20k
10u
20
50
100
200
500
Hz
1k
2k
5k
10k
20k
-100
20
Figure 13
Figure 14
Ver: 1.0
Dec 04, 2003
7
TEL: 886-3-5788833
http://www.gmt.com.tw
GMT [ GLOBAL MIXED-MODE TECHNOLOGY INC ]
