T E C H N I C A L I N F O R M A T I O N
Typical Performance Characteristics
Frequency Response
Efficiency versus Output Power
+3
100
+2.5
VDD = 12V
Pout = 1W
90
RL = 8Ω
+2
RLoad = 4Ω
Av = 12
80
70
60
50
40
30
20
10
0
+1.5
BW = 22Hz - 22kHz
RL = 4Ω
+1
+0.5
+0
-0.5
-1
VDD = 12V
f = 1kHz
Av = 12
-1.5
THD+N < 10%
-2
-2.5
-3
0
5
10
15
20
10
20
50
100
200
500
1k
2k
5k
10k
20k
Output Power (W)
Frequency (Hz)
Intermodulation Performance
Noise Floor
+0
+0
VDD = 12V
VDD = 12V
Pout = 0W
Pout = 1W/Channel
RLoad = 4Ω
-10
-20
-20
RLoad = 4
Ω
0dBr = 12Vrms
19kHz, 20kHz, 1:1
Av = 11.7
Av = 12
BW = 22Hz - 22kHz
A-Weighted Filter
-40
-60
-80
BW = 10Hz - 80kHz
-30
-40
-50
-60
-100
-120
-140
-70
-80
-90
-100
50
1k
2k
5k
10k
20k
30k
100
20
50
200
500
1k
2k
5k
10k
20k
Frequency (Hz)
Frequency (Hz)
Channel Separation versus Frequency
THD+N versus Frequency
+0
10
VDD = 12V
5
-10
VDD = 12V
Pout = 5W/Channel
Av = 12
Pout = 1W/Channel
RLoad = 4
Av = 12
Ω
-20
-30
-40
-50
-60
-70
-80
-90
2
1
BW = 22Hz - 22kHz
BW = 22Hz - 22kHz
0.5
0.2
0.1
RL = 4
Ω
0.05
RL = 8
Ω
0.02
0.01
-100
20
50
100
200
500
1k
2k
5k
10k
20k
10
20
50 100
200
500
1k
2k
5k
10k
20k
Frequency (Hz)
Frequency (Hz)
TA2024 Preliminary, Rev. 1.0
Page 7
TRIPATH [ TRIPATH TECHNOLOGY INC. ]
