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TS488 数据表(PDF) 10 Page - STMicroelectronics

部件名 TS488
功能描述  Pop-free 120 mW stereo headphone amplifier
PDF  32 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TS488 数据表(HTML) 10 Page - STMicroelectronics

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Figure 16. Signal-to-noise ratio vs. power supply voltage
A unweighted AV=-2
2
3
4
5
6
90
92
94
96
98
100
102
RL=32Ω
Unweighted Filter
(20Hz-20kHz)
Av=-2, T
AMB=25°C
Cb=1μF
THD+N<0.4%
Power Supply Voltage (V)
RL=16Ω
Figure 17. Signal-to-noise ratio vs. power supply voltage
A weighted AV=-4
2
3
4
5
6
88
90
92
94
96
98
100
RL=32Ω
A-weighted Filter
Av=-4, T
AMB=25°C
Cb=1μF
THD+N<0.4%
Power Supply Voltage (V)
RL=16Ω
Figure 18. Signal-to-noise ratio vs. power supply voltage
A unweighted AV=-4
2
3
4
5
6
86
88
90
92
94
96
98
RL=32Ω
Unweighted Filter
(20Hz-20kHz)
Av=-4, T
AMB=25°C
Cb=1μF
THD+N<0.4%
Power Supply Voltage (V)
RL=16Ω
Figure 19. Power dissipation vs. output power per
channel VCC= 2.5 V
0
5
10
15
20
25
30
35
40
0
5
10
15
20
25
30
RL=32Ω
RL=16 Ω
Vcc=2.5V, F=1kHz, THD+N<1%
Output Power (mW)
Figure 20. Power dissipation vs. output power per
channel VCC= 3.3 V
0
10
20
30
40
50
60
70
0
5
10
15
20
25
30
35
40
RL=32Ω
RL=16 Ω
Vcc=3.3V, F=1kHz, THD+N<1%
Output Power (mW)
Figure 21. Power dissipation vs. output power per
channel VCC= 5 V
0
20
40
60
80
100
120
140
160
0
20
40
60
80
100
RL=32Ω
RL=16 Ω
Vcc=5V, F=1kHz, THD+N<1%
Output Power (mW)
TS488
Electrical characteristics curves
DS4579 - Rev 8
page 10/32



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