TS4995 Datasheet, PDF (14/26 Pages) STMicroelectronics – 1.2 W fully differential audio power amplifier with selectable standby and 6 dB fixed gain

Electrical characteristics
TS4995
Figure 38. PSSR vs. common mode input
voltage
Figure 39. PSSR vs. common mode input
voltage
20
Vcc = 5V
Vripple = 200mVpp
0 _{F = 217Hz}
G = 6dB
-20 RL ≥ 8Ω
Tamb = 25°C
-40
Cb=0
-60
Cb=0.1μF
Cb=0.47μF
Cb=1μF
-80
-100
0
1
2
3
4
5
Common Mode Input Voltage (V)
20
Vcc = 3.3V
Vripple = 200mVpp
0 _{F = 217Hz}
G = 6dB
-20 RL ≥ 8Ω
Tamb = 25°C
-40
Cb=0
-60
Cb=0.1μF
Cb=0.47μF
Cb=1μF
-80
-100
0.0
0.6
1.2
1.8
2.4
3.0
Common Mode Input Voltage (V)
Figure 40. PSSR vs. common mode input
voltage
Figure 41. CMRR vs. frequency
20
Vcc = 2.6V
Vripple = 200mVpp
0 _{F = 217Hz}
G = 6dB
-20 RL ≥ 8Ω
Tamb = 25°C
-40
Cb=0
-60
-80
Cb=0.1μF
Cb=0.47μF
Cb=1μF
-100
0.0
0.5
1.0
1.5
2.0
2.5
Common Mode Input Voltage (V)
0
Vcc = 5V
-10 G = 6dB
Vic = 200mVpp
-20 _{RL ≥ 8Ω}
Cin = 470μF
-30 _{Tamb = 25°C}
-40
-50
-60
-70
-80
100
Cb=1μF
Cb=0.47μF
Cb=0.1μF
Cb=0
1000
Frequency (dB)
10000
Figure 42. CMRR vs. frequency
0
Vcc = 3.3V
-10 G = 6dB
Vic = 200mVpp
-20 _{RL ≥ 8Ω}
Cin = 470μF
-30 _{Tamb = 25°C}
-40
-50
-60
-70
-80
100
Cb=1μF
Cb=0.47μF
Cb=0.1μF
Cb=0
1000
Frequency (dB)
10000
Figure 43. CMRR vs. frequency
0
Vcc = 2.6V
-10 G = 6dB
Vic = 200mVpp
-20 _{RL ≥ 8Ω}
Cin = 470μF
-30 _{Tamb = 25°C}
-40
-50
-60
-70
-80
100
Cb=1μF
Cb=0.47μF
Cb=0.1μF
Cb=0
1000
Frequency (dB)
10000
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