Tripath Technology, Inc. - Preliminary Information
Typical Performance Characteristics – Single Supply
Efficiency vs Output Power
Efficiency vs Output Power
100
90
80
70
60
50
40
30
20
10
0
100
90
80
70
60
50
40
30
20
10
0
R = 8Ω
L
RL = 8Ω
R = 6Ω
L
R = 6Ω
L
R = 4Ω
R = 4Ω
L
L
VPP = 50V
THD < = 10%
f = 100Hz
VPP = 60V
THD < = 10%
f = 100Hz
BW = 22Hz - 20kHz(AES17)
BBMset = 40.2k
BW = 22Hz - 20kHz(AES17)
BBMset = 40.2k
FETs used = FQP22P10 &
FQP19N10
FETs used = FQP22P10 &
FQP19N10
0
50
100
150
Output Power (W)
200
250
300
350
10k 20k
10k 20k
0
50 100 150 200 250 300 350 400 450 500
Output Power (W)
THD+N vs Frequency
Intermodulation Distortion
+0
-10
1
19kHz, 20kHz 1:1
VPP = 60V
RL = 4Ω
PO = 25W
VPP = 60V
PO = 25W
0.5
-20
BW = 22kHz
BBM set = 40.2k
R = 4Ω
L
32k FFT
-30
FS = 65kHz
-40
BW = < 10Hz - 80kHz
0.2
0.1
-50
d
B
r
A
-60
%
-70
0.05
-80
-90
0.02
0.01
-100
-110
-120
-130
0.005
10
20
50 100 200
500 1k
Hz
2k
5k 10k 20k 30k
20
50
100 200
500
Hz
1k
2k
5k
THD+N vs Frequency
Intermodulation Distortion
+0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
1
19kHz, 20kHz 1:1
PO = 25W
VPP = 60V
R
L = 8Ω
VPP = 60V
0.5
P
O = 25W
R = 8Ω
L
BW = 22kHz
32k FFT
BBM set = 40.2k
F
S = 65kHz
BW = < 10Hz - 80kHz
0.2
0.1
d
B
r
A
%
0.05
0.02
0.01
-110
-120
-130
0.005
10
20
100 200
500 1k
Hz
2k
5k
10k 20k 30k
50
20
50
100 200
500
Hz
1k
2k
5k
12
TDA1400 – Rev. 0.65/KLi/02.06
TRIPATH [ TRIPATH TECHNOLOGY INC. ]
