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TS4994 数据表(PDF) 13 Page - STMicroelectronics

部件名 TS4994
功能描述  1W differential input/output audio power amplifier with selectable standby
PDF  35 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TS4994 数据表(HTML) 13 Page - STMicroelectronics

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TS4994
Electrical characteristics
13/35
Figure 27.
PSRR vs. frequency
Figure 28.
PSRR vs. frequency
100
1000
10000
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
Cb=0.1
μF
Cb=1
μF
Cb=0
20k
20
Cb=0.47
μF
Vcc = 2.6V
Vripple = 200mVpp
Inputs = Grounded
Av = 2.5, Cin = 4.7
μF
RL
≥ 8Ω
Tamb = 25
°C
Frequency (Hz)
100
1000
10000
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
Cb=0.1
μF
Cb=1
μF
Cb=0
20k
20
Cb=0.47
μF
Vcc = 5V
Vripple = 200mVpp
Inputs = Floating
Rfeed = 20k
Ω
RL
≥ 8Ω
Tamb = 25
°C
Frequency (Hz)
Figure 29.
PSRR vs. frequency
Figure 30.
PSRR vs. frequency
100
1000
10000
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
Cb=0.1
μF
Cb=1
μF
Cb=0
20k
20
Cb=0.47
μF
Vcc = 3.3V
Vripple = 200mVpp
Inputs = Floating
Rfeed = 20k
Ω
RL
≥ 8Ω
Tamb = 25
°C
Frequency (Hz)
100
1000
10000
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
Cb=0.1
μF
Cb=1
μF
Cb=0
20k
20
Cb=0.47
μF
Vcc = 2.6V
Vripple = 200mVpp
Inputs = Floating
Rfeed = 20k
Ω
RL
≥ 8Ω
Tamb = 25
°C
Frequency (Hz)
Figure 31.
PSRR vs. common mode input
voltage
Figure 32.
PSRR vs. common mode input
voltage
012
345
-100
-80
-60
-40
-20
0
Cb=1
μF
Cb=0.47
μF
Cb=0.1
μF
Cb=0
Vcc = 5V
Vripple = 200mVpp
Inputs Grounded
F = 217Hz
Av = 1
RL
≥ 8Ω
Tamb = 25
°C
Common Mode Input Voltage (V)
0.0
0.6
1.2
1.8
2.4
3.0
-100
-80
-60
-40
-20
0
Cb=1
μF
Cb=0.47
μF
Cb=0.1
μF
Cb=0
Vcc = 3.3V
Vripple = 200mVpp
Inputs Grounded
F = 217Hz
Av = 1
RL
≥ 8Ω
Tamb = 25
°C
Common Mode Input Voltage (V)



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