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TS4909 数据表(PDF) 19 Page - STMicroelectronics

部件名 TS4909
功能描述  Dual mode low power 150 mW stereo headphone amplifier with capacitor-less and single-ended outputs
PDF  35 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TS4909 数据表(HTML) 19 Page - STMicroelectronics

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TS4909
Electrical characteristics
Doc ID 11972 Rev 9
19/35
Figure 56. SNR vs. power supply voltage,
PHG, A-weighted, Av = 1
Figure 57. SNR vs. power supply voltage,
SE, A-weighted, Av = 1
23
4
5
6
96
98
10 0
10 2
10 4
10 6
10 8
RL = 3 2
Ω
P h a n to m G rou nd
A -w e ig h te d F ilte r
Av =-1, T
AM B
=25 ° C
Cb = 1
μF
T HD+ N< 0 .4 %
Power Supply Voltage (V)
RL = 1 6
Ω
23
45
6
96
98
10 0
10 2
10 4
10 6
10 8
RL = 3 2
Ω
Sin g le En d e d
A -w e ighted Filter
Av= -1 , T
AM B
=2 5 ° C
Cb = 1
μF
T HD+ N< 0 .4 %
Power Supply Voltage (V)
RL = 1 6
Ω
Figure 58. SNR vs. power supply voltage,
PHG, unweighted, Av = 4
Figure 59. SNR vs. power supply voltage,
SE, unweighted, Av = 4
23
4
5
6
84
86
88
90
92
94
96
98
RL = 3 2
Ω
P h an to m G ro und
Av= -4 , T
AM B
=25°C
Cb = 1
μF
T HD+ N< 0 .4 %
Power Supply Voltage (V)
RL = 1 6
Ω
U n w e ig hted F ilte r (2 0H z -20 kH z)
23
4
5
6
86
88
90
92
94
96
RL = 3 2
Ω
S in g le Ende d
Av= -4 , T
AM B
=25°C
Cb = 1
μF
T HD+ N< 0 .4 %
Power Supply Voltage (V)
RL = 1 6
Ω
U n w e ig h te d F ilte r (2 0 H z -2 0 kH z)
Figure 60. SNR vs. power supply voltage,
PHG, A-weighted, Av = 4
Figure 61. SNR vs. power supply voltage,
SE, A-weighted, Av = 4
23
4
5
6
88
90
92
94
96
98
10 0
RL = 3 2
Ω
P h a n to m G rou nd
A -w e ig h te d F ilte r
Av =-4, T
AM B
=25 ° C
Cb = 1
μF
T HD+ N< 0 .4 %
Power Supply Voltage (V)
RL = 1 6
Ω
23
45
6
88
90
92
94
96
98
10 0
RL = 3 2
Ω
Sin g le En d e d
A -w e ighted Filter
Av= -4 , T
AM B
=2 5 ° C
Cb = 1
μF
T HD+ N< 0 .4 %
Power Supply Voltage (V)
RL = 1 6
Ω



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