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STA541SA 数据表(PDF) 12 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) 12 Page - STMicroelectronics

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Characterization curves
STA541SA
12/26
Doc ID 16988 Rev 2
3.2
For 8-
Ω loads
Figure 8.
Output power vs supply voltage
Figure 9.
Quiescent current vs supply
voltage
10% THD
1% THD
R
L = 8 Ω
f = 1 kHz
T
amb = 25 °C
10% THD
1% THD
R
L = 8 Ω
f = 1 kHz
T
amb = 25 °C
R
L = 8 Ω
T
amb = 25 °C
Figure 10.
Efficiency, device dissipation vs
output power
Figure 11.
Total harmonic distortion vs output
power
η
Pd
R
L = 8 Ω
V
S = 17 V
f = 1 kHz
T
amb = 25 °C
η
Pd
R
L = 8 Ω
V
S = 17 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
%
0.1
30
0.2
0.5
1
2
5
10
20
Power output, W
f = 15 kHz
f = 100 Hz
f = 1 kHz
R
L = 8 Ω
V
S = 17 V
T
amb = 25 °C
0.01
10
0.02
0.05
0.1
0.2
0.5
1
2
5
THD
%
0.1
30
0.2
0.5
1
2
5
10
20
Power output, W
f = 15 kHz
f = 100 Hz
f = 1 kHz
R
L = 8 Ω
V
S = 17 V
T
amb = 25 °C
Figure 12.
Crosstalk vs frequency
Figure 13.
Power supply rejection ratio vs
frequency
Crosstalk
dB
20
20k
50
100
200
500
1k
2k
5k
10k
Frequency, Hz
R
L = 8 Ω
V
S = 17 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
Crosstalk
dB
20
20k
50
100
200
500
1k
2k
5k
10k
Frequency, Hz
R
L = 8 Ω
V
S = 17 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
70
0
65
60
55
50
45
40
35
30
25
20
15
10
5
PSRR
dBrA
20
20k
50
100
200
500
1k
2k
5k
10k
Frequency, Hz
R
L = 8 Ω
V
S = 17 V
V
r = 500 mV RMS
T
amb = 25 °C
Specification: > 50 dB
70
0
65
60
55
50
45
40
35
30
25
20
15
10
5
PSRR
dBrA
20
20k
50
100
200
500
1k
2k
5k
10k
Frequency, Hz
R
L = 8 Ω
V
S = 17 V
V
r = 500 mV RMS
T
amb = 25 °C
Specification: > 50 dB



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