TS4974_07 Datasheet, PDF (11/25 Pages) STMicroelectronics – 1W differential audio power amplifier with up/down digital volume control pins

TS4974
Electrical characteristics
Figure 14. PSRR vs. frequency
Figure 15. PSRR vs. frequency
0
Vcc = 5V
Vripple = 200mVpp
-20 G = 0dB
Inputs Grounded
Tamb = 25°C
-40
-60
Cb=1, 0.47, 0.1μF
-80
-100
20
100
1000
Frequency (Hz)
10000
0
Vcc = 5V
Vripple = 200mVpp
-20 G = 12dB
Inputs Grounded
Tamb = 25°C
-40
-60
Cb=1, 0.47, 0.1μF
-80
-100
20
100
1000
Frequency (Hz)
10000
Figure 16. PSRR vs. frequency
Figure 17. PSRR vs. frequency
0
Vcc = 3.3V
Vripple = 200mVpp
-20 G = 0dB
Inputs Grounded
Tamb = 25°C
-40
-60
Cb=1, 0.47, 0.1μF
-80
-100
20
100
1000
Frequency (Hz)
10000
0
Vcc = 3.3V
Vripple = 200mVpp
-20 G = 12dB
Inputs Grounded
Tamb = 25°C
-40
-60
Cb=1, 0.47, 0.1μF
-80
-100
20
100
1000
Frequency (Hz)
10000
Figure 18. PSRR vs. frequency
Figure 19. PSRR vs. frequency
0
Vcc = 2.6V
Vripple = 200mVpp
-20 G = 0dB
Inputs Grounded
Tamb = 25°C
-40
-60
Cb=1, 0.47, 0.1μF
-80
-100
20
100
1000
Frequency (Hz)
10000
0
Vcc = 2.6V
Vripple = 200mVpp
-20 G = 12dB
Inputs Grounded
Tamb = 25°C
-40
-60
Cb=1, 0.47, 0.1μF
-80
-100
20
100
1000
Frequency (Hz)
10000
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