TS2007_11 Datasheet, PDF (17/29 Pages) STMicroelectronics – 3 W filter-free Class D audio power amplifer with 6-12 dB fixed gain select

TS2007
Electrical characteristics
Figure 22. CMRR vs. frequency
0
ΔVicm=200mVpp, G=6dB
-10 _{R =8Ω+15μH, C =1μF, T =25°C}
L
IN
AMB
-20
-30
-40
Vcc=2.4, 3, 3.6, 4.2, 5V
-50
-60
-70
-80
20
100
1k
Frequency (Hz)
Figure 23. CMRR vs. frequency
10k 20k
0
ΔVicm=200mVpp, G=6dB
-10 _{R =8Ω+30μH, C =1μF, T =25°C}
L
IN
AMB
-20
-30
-40
Vcc=2.4, 3, 3.6, 4.2, 5V
-50
-60
-70
-80
20
100
1k
Frequency (Hz)
10k 20k
Figure 24. Gain vs. frequency
8
no load
6
Figure 25. Gain vs. frequency
14
no load
12
4
RL=8Ω+15μH
RL=8Ω+30μH
2
Gain = 6dB
Vin = 500 mVpp
T = 25°C
AMB
0
20
100
RL=4Ω+15μH
RL=4Ω+30μH
1k
Frequency (Hz)
10k 20k
10
RL=8Ω+15μH
RL=8Ω+30μH
8
Gain = 12dB
Vin = 500 mVpp
T = 25°C
AMB
6
20
100
RL=4Ω+15μH
RL=4Ω+30μH
1k
10k 20k
Frequency (Hz)
Figure 26. THD+N vs. output power
10
RL = 4Ω + 15μH
F = 1kHz
G = 6dB
BW < 30kHz
Tamb = 25°C
1
Vcc=5V
Vcc=3.6V
Vcc=2.4V
Figure 27. THD+N vs. output power
10
RL = 4Ω + 30μH
F = 1kHz
G = 6dB
BW < 30kHz
Tamb = 25°C
1
Vcc=5V
Vcc=3.6V
Vcc=2.4V
0.1
1E-3
0.01
0.1
Output Power (W)
1
3
0.1
1E-3
0.01
0.1
Output Power (W)
1
3
Doc ID 13123 Rev 4
17/29