STMicroelectronics Pop-free 120 mW stereo headphone amplifier DEMOTS488S DEMOTS488S 数据表
产品代码
DEMOTS488S
TS488-TS489
Electrical characteristics
Doc ID 11971 Rev 5
11/32
Figure 14.
Signal-to-noise ratio vs. power
supply voltage
supply voltage
Figure 15.
Signal-to-noise ratio vs. power
supply voltage
supply voltage
2
3
4
5
6
98
100
102
104
106
108
110
RL=32
Ω
A-weighted Filter
Av=-1, T
Av=-1, T
AMB
=25°C
Cb=1
μ
F
THD+N<0.4%
Signal
to N
o
is
e Ratio (dB
)
Power Supply Voltage (V)
RL=16
Ω
2
3
4
5
6
94
96
98
100
102
104
106
RL=32
Ω
Unweighted Filter
(20Hz-20kHz)
Av=-1, T
(20Hz-20kHz)
Av=-1, T
AMB
=25°C
Cb=1
μ
F
THD+N<0.4%
Signal
to N
o
is
e Ratio (dB
)
Power Supply Voltage (V)
RL=16
Ω
Figure 16.
Signal-to-noise ratio vs. power
supply voltage
supply voltage
Figure 17.
Signal-to-noise ratio vs. power
supply voltage
supply voltage
2
3
4
5
6
94
96
98
100
102
104
106
RL=32
Ω
A-weighted Filter
Av=-2, T
Av=-2, T
AMB
=25°C
Cb=1
μ
F
THD+N<0.4%
Signal
to N
o
is
e Ratio (dB
)
Power Supply Voltage (V)
RL=16
Ω
2
3
4
5
6
90
92
94
96
98
100
102
RL=32
Ω
Unweighted Filter
(20Hz-20kHz)
Av=-2, T
(20Hz-20kHz)
Av=-2, T
AMB
=25°C
Cb=1
μ
F
THD+N<0.4%
Signal
to N
o
is
e Ratio (dB
)
Power Supply Voltage (V)
RL=16
Ω
Figure 18.
Signal-to-noise ratio vs. power
supply voltage
supply voltage
Figure 19.
Signal-to-noise ratio vs. power
supply voltage
supply voltage
2
3
4
5
6
88
90
92
94
96
98
100
RL=32
Ω
A-weighted Filter
Av=-4, T
Av=-4, T
AMB
=25°C
Cb=1
μ
F
THD+N<0.4%
Signal
to N
o
is
e Ratio (dB
)
Power Supply Voltage (V)
RL=16
Ω
2
3
4
5
6
86
88
90
92
94
96
98
RL=32
Ω
Unweighted Filter
(20Hz-20kHz)
Av=-4, T
(20Hz-20kHz)
Av=-4, T
AMB
=25°C
Cb=1
μ
F
THD+N<0.4%
Signal
to N
o
is
e Ratio (dB
)
Power Supply Voltage (V)
RL=16
Ω