T E C H N I C A L I N F O R M A T I O N
Typical Performance
Efficiency versus Output Power
THD+N versus Output Power
100
80
60
40
20
0
10
5
RL = 8Ω
f = 1kHz
BBM = 80nS
Vs =+45V
RL = 4Ω
BW = 22Hz - 22kHz
2
1
R = 8Ω
R = 4Ω
L
L
0.5
0.2
0.1
f = 1kHz
0.05
BBM = 80nS
Vs =+45V
THD+N<10%
0.02
0.01
0
50
100
150
200
250
300
2
5
10
20
50
100
200
500
Output Power (W)
Output Power (W)
Intermodulation Performance
R = 8Ω
Intermodulation Performance
RL = 4Ω
L
+0
+0
19kHz, 20kHz, 1:1
-10
19kHz, 20kHz, 1:1
Pout = 60W/Channel
0dBr = 15.5Vrms
Vs = +45V
-10
Pout = 30W/Channel
0dBr = 15.5Vrms
Vs =+45V
-20
-30
-20
-30
BW = 22Hz - 22kHz
BW = 22Hz - 22kHz
-40
-40
-50
-50
-60
-60
-70
-70
-80
-80
-90
-90
-100
-110
-100
-110
-120
20
-120
20
50
100
200
500
1k
2k
5k
10k
20k
50
100
200
500
1k
2k
5k
10k
20k
Frequency (Hz)
Frequency (Hz)
Channel Separation versus Frequency
Noise Floor
-40
-45
-70
-75
Pout = 60W/Channel @Ω 4
Pout = 30W/Channel @Ω 8
VS =+45V
S
V
= +/-45V
BBM = 80nS
-50
-55
16kFFT
BW = 22Hz - 22kHz
S
F
= 48kHz
-80 BW = 22Hz-22kHz
-60
-65
-85
-90
-70
-75
-80
-95
-85
R
= 4
Ω
L
-100
-105
-90
-95
-100
-105
-110
-115
R
L = 8Ω
-110
-115
-120
-120
20
50
100
200
500
1k
2k
5k
10k
20k
20
50
100
200
500
1k
2k
5k
10k
20k
Frequency (Hz)
Frequency (Hz)
TA3020, Rev 2.1, 01.01
13
TRIPATH [ TRIPATH TECHNOLOGY INC. ]
