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TS4909 Fiches technique(PDF) 17 Page - STMicroelectronics

No de pièce TS4909
Description  Dual mode low power 150mW stereo headphone amplifier with capacitor-less and single-ended outputs
PDF  32 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TS4909 Fiches technique(HTML) 17 Page - STMicroelectronics

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TS4909
Electrical characteristics
17/32
Figure 50.
Crosstalk vs. frequency
Figure 51.
Crosstalk vs. frequency
100
1k
10k
-120
-100
-80
-60
-40
-20
0
OUT2 to OUT1
20k
20
OUT1 to OUT2
Single Ended
Vcc=5V, RL=16
Ω
Av=-4, Po=90mW
T
AMB
=25°C
Frequency (Hz)
100
1k
10k
-120
-100
-80
-60
-40
-20
0
OUT2 to OUT1
20k
20
OUT1 to OUT2
Single Ended
Vcc=5V, RL=32
Ω
Av=-4, Po=60mW
T
AMB
=25°C
Frequency (Hz)
Figure 52.
Crosstalk vs. frequency
Figure 53.
Crosstalk vs. frequency
100
1k
10k
-120
-100
-80
-60
-40
-20
0
RL=16
Ω, Po=90mW
20k
20
RL=32
Ω , Po=60mW
Phantom ground
Vcc=5V, Av=-1,
T
AMB
=25°C
Frequency (Hz)
100
1k
10k
-120
-100
-80
-60
-40
-20
0
RL=16
Ω , Po=90mW
20k
20
RL=32
Ω , Po=60mW
Phantom ground
Vcc=5V, Av=-4,
T
AMB
=25°C
Frequency (Hz)
Figure 54.
Signal to noise ratio vs. power
supply voltage
Figure 55.
Signal to noise ratio vs. power
supply voltage
23
45
6
92
94
96
98
100
102
104
RL=32
Ω
Phantom Ground
Av=-1, T
AMB
=25°C
Cb=1
μF
THD+N<0.4%
Power Supply Voltage (V)
RL=16
Ω
Unweighted Filter (20Hz-20kHz)
23
4
5
6
94
96
98
100
102
104
106
RL=32
Ω
Single Ended
Av=-1, T
AMB
=25°C
Cb=1
μF
THD+N<0.4%
Power Supply Voltage (V)
RL=16
Ω
Unweighted Filter (20Hz-20kHz)



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