Tripath Technology, Inc. - Technical Information
Typical Performance (continued)
THD+N versus Output Power
Efficiency and Power Dissipation versus
Total output Power
100
50
RL = 8Ω
80
70
80
70
f = 1Khz
BW = 22Hz - 20kHz(AES17)
20
10
5
Efficiency
T
60
50
60
50
40
30
20
10
0
2
1
0.5
VPP = 14.4V
%
40
30
20
10
0.2
0.1
0.05
VPP = 25V
Power Dissipation
VPP = 14.4V
0.02
0.01
0.005
RL = 2Ω
f = 1kHz
BW = 22Hz - 20kHz(AES17)
0.002
0.001
0
225
250
150
175
200
0
25
50
75
100
125
1
2
5
10
W
20
50
100
Total Output Power (W)
Channel Separation
Noise Floor
+0
T
T
T
T
T
T
T
+0
-10
-20
VPP = 25V
RL = 4Ω
VPP = 25V
RL = 4Ω
-10
-20
PO = 1W
32k FFT
BW = 22Hz - 20kHz
FS = 65kHz
BW = 22Hz - 20kHz(AES17)
-30
-30
-40
-50
-40
-50
d
B
r
d
B
V
-60
A
-70
-60
-70
-80
-90
-80
-100
-110
-120
-90
-100
20
50
100
200
500
1k
2k
5k
10k
20k
20
50
100
200
1k
2k
5k
10k
20k
500
Hz
Hz
Output Power versus Supply Voltage
Output Power versus Supply Voltage
120
90
RL = 2Ω
f = 1kHz
BW= 22Hz - 20kHz(AES17)
RL = 4Ω
f = 1kHz
110
100
90
THD+N = SSW
80
70
BW= 22Hz - 20kHz(AES17)
THD+N = SSW
THD+N = 10%
60
50
80
THD+N = 10%
70
60
40
THD+N = 1%
50
THD+N = 1%
30
20
10
0
40
30
20
10
0
14
15
16
10
11
12
13
18
20
22
24
26
10
12
14
16
Supply Voltage (V)
Supply Voltage (V)
11
TAA4100A – KL/ Rev. 1.0/11.05
TRIPATH [ TRIPATH TECHNOLOGY INC. ]
