Tri path Technol og y, I nc. - Techni cal I nformation
TYPICAL PERFORMANCE
Frequency Response
100
90
80
70
R
L
= 8Ω
R
L
= 4Ω
Efficiency versus Output
Power
+3
+2.5
+2
VDD = 12V
Pout = 1W
C
O
and C
Z
= .22uF for 8Ω
Output Amplitude (dBr)
+1.5
+1
+0.5
+0
-0.5
-1
-1.5
-2
-2.5
-3
20
50
100
200
500
1k
2k
5k
10k
20k
R
L
= 4Ω
R
L
= 8Ω
Efficiency (%)
60
50
40
30
20
10
0
0
5
10
15
20
VDD = 12V
f = 1kHz
THD+N < 10%
Output Power (W)
Frequency (Hz)
Intermodulation Distortion
+0
-10
19kHz, 20kHz, 1:1
-20
-30
-40
VDD = 12V
Pout = 1W
R
L
= 4Ω
32k FFT
F
S
= 65kHz
f = 1kHz
BW = 22Hz - 80kHz
Noise Floor
+0
-10
-20
-30
VDD = 12V
R
L
= 4Ω
32k FFT
F
S
= 65kHz
Av = 12V/V
BW = 22Hz - 20kHz(AES17)
Noise FFT (dBV)
FFT (dBr)
-40
-50
-60
-70
-80
-90
-100
-110
-120
-50
-60
-70
-80
-90
-100
-110
-120
-130
20
50
100
200
500
1k
2k
5k
10k
20k 30k
20
50
100
200
500
1k
2k
5k
10k
20k
Frequency (Hz)
THD+N versus Frequency
1
VDD = 12V
Po @ 4Ω = 4W
Po @ 8Ω = 2W
0.2
BW = 22Hz - 22kHz
C
O
and C
Z
= 0.22uF for 8Ω
Frequency (W)
0.5
THD+N (%)
0.1
0.05
0.02
0.01
0.005
0.002
0.001
20
50
100
200
500
1k
R
L
= 4Ω
R
L
= 8Ω
2k
5k
10k
20k
Frequency (Hz)
7
TA2024C –KL/1.0/01.06
TRIPATH [ TRIPATH TECHNOLOGY INC. ]
