TECHNICAL INFORMATION
Typical Performance Characteristics
Efficiency versus Output Power
100
90
80
70
Frequency Response
+3
+2.5
VDD = 12V
Pout = 1W
RLoad = 4Ω
Av = 12
BW = 22Hz - 22kHz
R
L
= 8Ω
+2
+1.5
Efficiency (%)
60
50
40
30
20
10
0
R
L
= 4Ω
Output Amplitude (dBr)
20
+1
+0.5
+0
-0.5
-1
-1.5
-2
-2.5
VDD = 12V
f = 1kHz
Av = 12
THD+N < 10%
0
5
10
15
Output Power (W)
-3
10
20
50
100
200
500
1k
2k
5k
10k
20k
Frequency (Hz)
Intermodulation Performance
+0
-10
-20
-30
VDD = 12V
Pout = 1W/Channel
RLoad = 4Ω
0dBr = 12Vrms
19kHz, 20kHz, 1:1
Av = 11.7
BW = 10Hz - 80kHz
Noise Floor
+0
-20
VDD = 12V
Pout = 0W
RLoad = 4Ω
Av = 12
BW = 22Hz - 22kHz
A-Weighted Filter
Noise FFT (dBV)
2k
5k
10k
20k
30k
-40
FFT (dBr)
-40
-50
-60
-70
-80
-90
-60
-80
-100
-120
-140
-100
50
1k
20
50
100
200
500
1k
2k
5k
10k
20k
Frequency (Hz)
Frequency (Hz)
THD+N versus Frequency
10
5
2
1
VDD = 12V
Pout = 5W/Channel
Av = 12
BW = 22Hz - 22kHz
+0
-10
Channel Separation versus Frequency
VDD = 12V
Pout = 1W/Channel
RLoad = 4Ω
Av = 12
BW = 22Hz - 22kHz
Channel Separation (dBr)
R
L
= 4Ω
R
L
= 8Ω
200
500
1k
2k
5k
10k
20k
-20
-30
-40
-50
-60
-70
-80
-90
-100
THD+N (%)
0.5
0.2
0.1
0.05
0.02
0.01
10
20
50
100
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. ]
