TS2007_11 Datasheet, PDF (15/29 Pages) STMicroelectronics – 3 W filter-free Class D audio power amplifer with 6-12 dB fixed gain select

TS2007
Electrical characteristics
Figure 10. Output power vs. power supply
voltage
Figure 11. Output power vs. power supply
voltage
3.5
RL = 4Ω + ≥ 15μH
3.0 F = 1kHz
BW < 30kHz
2.5 ^{Tamb = 25°C}
2.0 ^THD+N=10%
1.5
1.0
THD+N=1%
0.5
0.0
2
3
4
5
6
Power Supply Voltage (V)
2.0
RL = 8Ω + ≥ 15μH
F = 1kHz
1.6 BW < 30kHz
Tamb = 25°C
1.2
THD+N=10%
0.8
0.4
THD+N=1%
0.0
2
3
4
5
6
Power Supply Voltage (V)
Figure 12. PSRR vs. common mode input
voltage
Figure 13. PSRR vs. frequency
0
Vripple = 200mVpp, F = 217Hz, G = 6dB
-10 _{RL ≥ 4Ω + ≥ 15μH, Tamb = 25°C}
-20
-30
-40
Vcc=2.4V
Vcc=3V
-50
Vcc=3.6, 4.2, 5V
-60
-70
-80
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
Common Mode Input Voltage (V)
0
Inputs grounded, Vripple = 200mVpp,
-10 V =5V, R =4Ω +15μH, C =1μF, T =25°C
CC
L
IN
AMB
-20
-30
-40
Gain=12dB
Gain=6dB
-50
-60
-70
-80
20
100
1k
Frequency (Hz)
10k 20k
Figure 14. PSRR vs. frequency
Figure 15. PSRR vs. frequency
0
Inputs grounded, Vripple = 200mVpp
-10 A =6dB, R =4Ω+15μH, C =1μF, T =25°C
V
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
0
Inputs grounded, Vripple = 200mVpp
-10 A =6dB, R =4Ω+30μH, C =1μF, T =25°C
V
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
Doc ID 13123 Rev 4
15/29