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TS4871IST Datasheet(PDF) 20 Page - STMicroelectronics

Part # TS4871IST
Description  Output rail-to-rail 1 W audio power amplifier with standby mode
PDF  42 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TS4871IST Datasheet(HTML) 20 Page - STMicroelectronics

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Figure 70. Signal-to-noise ratio vs power supply
with unweighted filter (20 Hz to 20 kHz)
2.5
3.0
3.5
4.0
4.5
5.0
50
60
70
80
90
100
RL=8Ω
RL=4Ω
RL=16Ω
Gv = 2
Cb = Cin = 1µF
THD+N < 0.4%
Tamb = 25°C
Vcc (V)
Figure 71. Signal-to-noise ratio vs power supply
with weighted filter type A
2.5
3.0
3.5
4.0
4.5
5.0
60
70
80
90
100
RL=16Ω
RL=4Ω
RL=8Ω
Gv = 10
Cb = Cin = 1µF
THD+N < 0.7%
Tamb = 25°C
Vcc (V)
Figure 72. Signal-to-noise ratio vs power supply
with weighted filter type A Gv=2
2.5
3.0
3.5
4.0
4.5
5.0
60
70
80
90
100
110
RL=8Ω
RL=4Ω
RL=16Ω
Gv = 2
Cb = Cin = 1µF
THD+N < 0.4%
Tamb = 25°C
Vcc (V)
Figure 73. Current consumption vs power supply
voltage
0
1
2
3
4
5
0
1
2
3
4
5
6
7
Vstandby = 0V
Tamb = 25°C
Vcc (V)
TS4871
Electrical characteristics curves
DS2547 - Rev 10
page 20/42



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