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STA541SA 数据表(PDF) 11 Page - STMicroelectronics

部件名 STA541SA
功能描述  2 x 20 W dual bridge amplifier
PDF  26 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STA541SA 数据表(HTML) 11 Page - STMicroelectronics

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STA541SA
Characterization curves
Doc ID 16988 Rev 2
11/26
3
Characterization curves
3.1
For 4-
Ω loads
Figure 3.
Output power vs supply voltage
Figure 4.
Quiescent current vs supply
voltage
10% THD
1% THD
R
L = 4 Ω
f = 1 kHz
T
amb = 25 °C
10% THD
1% THD
R
L = 4 Ω
f = 1 kHz
T
amb = 25 °C
R
L = 4 Ω
T
amb = 25 °C
Figure 5.
Efficiency, device dissipation vs
output power
Figure 6.
Total harmonic distortion vs output
power
η
R
L = 4 Ω
V
S = 12 V
f = 1 kHz
T
amb = 25 °C
0.01
10
0.02
0.05
0.1
0.2
0.5
1
2
5
THD
%
100
30
200
500
1
2
5
10
20
Power out, W
f = 15 kHz
f = 1 kHz
f = 100 Hz
R
L = 4 Ω
V
S = 12 V
T
amb = 25 °C
0.01
10
0.02
0.05
0.1
0.2
0.5
1
2
5
THD
%
100
30
200
500
1
2
5
10
20
Power out, W
f = 15 kHz
f = 1 kHz
f = 100 Hz
R
L = 4 Ω
V
S = 12 V
T
amb = 25 °C
Figure 7.
Crosstalk vs frequency
-120
0
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
Crosstalk
dB
20
20k
50
100
200
500
1k
2k
5k
10k
Frequency, Hz
R
L = 4 Ω
V
S = 12 V
f = 1 kHz
P
o = 1 W
T
amb = 25 °C
Specification: < -45 dB
-120
0
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
-120
0
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
Crosstalk
dB
20
20k
50
100
200
500
1k
2k
5k
10k
Frequency, Hz
R
L = 4 Ω
V
S = 12 V
f = 1 kHz
P
o = 1 W
T
amb = 25 °C
Specification: < -45 dB



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