TECHNICAL INFORMATION
Typical Performance
10
f = 1kHz
5 BBM = 80nS
Vs =+28V
2 BW = 22Hz - 22kHz
1
THD+N versus Output Power
RL = 8Ω
0.5
0.2
0.1
0.05
0.02
0.01
2
5
10
20
50
Output Power (W)
RL = 4Ω
100
200
+0
-10 19kHz, 20kHz, 1:1
Pout = 40W/Channel
-20 0dBr = 12.65Vrms
Vs = +28V
-30 BW = 22Hz - 22kHz
-40
-50
-60
-70
-80
-90
-100
-110
-120
20
50
100
Intermodulation Performance
RL = 4Ω
200
500
1k
2k
Frequency (Hz)
5k
10k
20k
-40
-45 Pout = 40W/Channel @Ω 4
-50
Pout = 20W/Channel @Ω 8
VS = +28V
-55 BW = 22Hz - 22kHz
-60
-65
-70
-75
-80
-85
-90
-95
-100
-105
-110
-115
-120
20
50
100
Channel Separation versus Frequency
RL = 4Ω
RL = 8Ω
200
500
1k
2k
Frequency (Hz)
TA3020, Rev 2.1, 01.01
5k
10k
20k
Efficiency versus Output Power
100
90
RL = 8Ω
80
RL = 4Ω
70
60
50
40
f = 1kHz
30
BBM = 80nS
Vs =+28V
20
THD+N =<10%
10
0
0
20
40
60
80
100
120
Output Power (W)
+0
-10 19kHz, 20kHz, 1:1
Pout = 20W/Channel
-20 0dBr = 12.65Vrms
Vs =+28V
-30 BW = 22Hz - 22kHz
-40
-50
-60
-70
-80
-90
-100
-110
-120
20
50
100
Intermodulation Performance
RL = 8Ω
200
500
1k
2k
Frequency (Hz)
5k
10k
20k
-70
VS =+28V
-75 BBM = 80nS
16K FFT
-80 Fs = 48kHz
BW = 22Hz - 22kHz
-85
Noise Floor
-90
-95
-100
-105
-110
-115
-120
20
50
100
200
500
1k
2k
Frequency (Hz)
5k
10k
20k
11