TS488 Datasheet, PDF (11/32 Pages) STMicroelectronics – Pop-free 120mW stereo headphone amplifier

TS488-TS489
Electrical characteristics
Figure 14. Signal to noise ratio vs. power
supply voltage
110
A-weighted Filter
108
Av=-1, T =25°C
AMB
Cb=1μF
THD+N<0.4%
106
104
102
RL=16Ω
100
RL=32Ω
Figure 15. Signal to noise ratio vs. power
supply voltage
106
Unweighted Filter
104 ^(20Hz-20kHz)
Av=-1, T =25°C
AMB
Cb=1μF
102 _THD+N<0.4%
100
RL=16Ω
98
RL=32Ω
96
98
94
2
3
4
5
6
2
3
4
5
6
Power Supply Voltage (V)
Power Supply Voltage (V)
Figure 16. Signal to noise ratio vs. power
supply voltage
106
A-weighted Filter
104
Av=-2, T =25°C
AMB
Cb=1μF
THD+N<0.4%
102
100
Figure 17. Signal to noise ratio vs. power
supply voltage
102
Unweighted Filter
100 ^(20Hz-20kHz)
Av=-2, T =25°C
AMB
Cb=1μF
98 _THD+N<0.4%
96
RL=16Ω
98
RL=16Ω
94
RL=32Ω
96
RL=32Ω
92
94
90
2
3
4
5
6
2
3
4
5
6
Power Supply Voltage (V)
Power Supply Voltage (V)
Figure 18. Signal to noise ratio vs. power
supply voltage
100
A-weighted Filter
98
Av=-4, T =25°C
AMB
Cb=1μF
THD+N<0.4%
96
94
RL=16Ω
92
RL=32Ω
90
Figure 19. Signal to noise ratio vs. power
supply voltage
98
Unweighted Filter
96 ^(20Hz-20kHz)
Av=-4, T =25°C
AMB
Cb=1μF
94 _THD+N<0.4%
92
90
RL=16Ω
RL=32Ω
88
88
86
2
3
4
5
6
2
3
4
5
6
Power Supply Voltage (V)
Power Supply Voltage (V)
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