TS2007_11 Datasheet, PDF (16/29 Pages) STMicroelectronics – 3 W filter-free Class D audio power amplifer with 6-12 dB fixed gain select

Electrical characteristics
TS2007
Figure 16. PSRR vs. frequency
Figure 17. PSRR vs. frequency
0
Inputs grounded, Vripple = 200mVpp
-10 A =6dB, R =8Ω+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 =8Ω+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
Figure 18. CMRR vs. common mode input
voltage
Figure 19. CMRR vs. frequency
0
ΔVicm=200mVpp, F = 217Hz, G=6dB
-10 RL ≥ 4Ω + ≥ 15μH, T =25°C
AMB
-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
ΔVicm=200mVpp, V =5V
CC
-10 _{R =4Ω+15μH, C =1μF, T =25°C}
L
IN
AMB
-20
-30
-40
Gain=12dB
-50
-60
-70
-80
20
Gain=6dB
100
1k
Frequency (Hz)
10k 20k
Figure 20. CMRR vs. frequency
0
ΔVicm=200mVpp, G=6dB
-10 _{R =4Ω+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 21. CMRR vs. frequency
10k 20k
0
ΔVicm=200mVpp, G=6dB
-10 _{R =4Ω+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
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Doc ID 13123 Rev 4