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TS4909 数据表(PDF) 19 Page - STMicroelectronics

部件名 TS4909
功能描述  Dual mode low power 150mW stereo headphone amplifier with capacitor-less and single-ended outputs
PDF  32 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
19/32
Figure 62.
Power supply rejection ratio vs.
frequency
Figure 63.
Power supply rejection ratio vs.
frequency
100
1k
10k
-80
-70
-60
-50
-40
-30
-20
-10
0
Vcc=5V
Vcc=3V
20k
20
Vcc=2.6V
Phantom Ground, Inputs grounded
Av=-1, RL
≥16Ω , Cb=1μF, T
AMB
=25°C
Frequency (Hz)
100
1k
10k
-80
-70
-60
-50
-40
-30
-20
-10
0
Vcc=5V
Vcc=3V
20k
20
Vcc=2.6V
Single Ended, Inputs grounded
Av=-1, RL
≥16Ω , Cb=1μF, T
AMB
=25°C
Frequency (Hz)
Figure 64.
Power supply rejection ratio vs.
frequency
Figure 65.
Power supply rejection ratio vs.
frequency
100
1k
10k
-80
-70
-60
-50
-40
-30
-20
-10
0
Av=-4
Av=-1
20k
20
Av=-2
Phantom Ground, Inputs grounded
Vcc=3V, RL
≥16Ω , Cb=1μF, T
AMB
=25°C
Frequency (Hz)
100
1k
10k
-80
-70
-60
-50
-40
-30
-20
-10
0
Av=-4
Av=-1
20k
20
Av=-2
Single Ended, Inputs grounded
Vcc=3V, RL
≥16Ω , Cb=1μF, T
AMB
=25°C
Frequency (Hz)
Figure 66.
Power supply rejection ratio vs.
frequency
Figure 67.
Power supply rejection ratio vs.
frequency
100
1k
10k
-80
-70
-60
-50
-40
-30
-20
-10
0
Cb=1
μF
Cb=100nF
Cb=470nF
20k
20
Cb=220nF
Phantom Ground, Inputs grounded
Av=-1, RL
≥16Ω , Vcc=3V, T
AMB
=25°C
Frequency (Hz)
100
1k
10k
-80
-70
-60
-50
-40
-30
-20
-10
0
Cb=1
μF
Cb=100nF
Cb=470nF
20k
20
Cb=220nF
Single Ended, Inputs grounded
Av=-1, RL
≥16Ω , Vcc=3V, T
AMB
=25°C
Frequency (Hz)



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