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TS4871 Datasheet(PDF) 22 Page - STMicroelectronics

Part # TS4871
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

TS4871 Datasheet(HTML) 22 Page - STMicroelectronics

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Figure 78. Clipping voltage vs power supply
voltage and load resistor
2.5
3.0
3.5
4.0
4.5
5.0
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
Tamb = 25°C
RL = 16Ω
RL = 8Ω
RL = 4Ω
Power supply Voltage (V)
Figure 79. Clipping voltage low-side vs power
supply voltage and load resistor
2.5
3.0
3.5
4.0
4.5
5.0
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
Tamb = 25°C
RL = 16Ω
RL = 8Ω
RL = 4Ω
Power supply Voltage (V)
Figure 80. Vout1+Vout2 unweighted noise floor
100
1000
10000
0
20
40
60
80
100
120
Av = 10
Av = 2
Standby mode
Vcc = 2.5V to 5V, Tamb = 25 C
Cb = Cin = 1 F
Input Grounded
BW = 20Hz to 20kHz (Unweighted)
20
Frequency (Hz)
Figure 81. Vout1+Vout2 A-weighted noise floor
100
1000
10000
0
20
40
60
80
100
120
Av = 10
Av = 2
Standby mode
Vcc = 2.5V to 5V, Tamb = 25 C
Cb = Cin = 1 F
Input Grounded
BW = 20Hz to 20kHz (A-Weighted)
20
Frequency (Hz)
TS4871
Electrical characteristics curves
DS2547 - Rev 10
page 22/42



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