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TDA7803A 数据表(PDF) 21 Page - STMicroelectronics

部件名 TDA7803A
功能描述  High efficiency digital input automotive quad power amplifier with built-in diagnostics features, start stop compatible
PDF  72 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TDA7803A 数据表(HTML) 21 Page - STMicroelectronics

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DS12195 Rev 7
21/72
TDA7803A
Electrical specification
71
Figure 25. Total power dissipation & efficiency
vs. Po (2 Ω, SBI, Sine)
Figure 26. Power dissipation vs. average Po
(audio program simulation, 4 Ω)
10
20
30
40
50
60
70
80
0
20
40
60
80
100
120
140
0
5
10
15
20
25
30
35
40
45
Ptot (W)
Po (W)
Vs = 14.4 V
f = 1 KHz SINE
RL = 2
x 4 CH
SBI mode
Ptot
0
10
20
30
40
50
60
0123
456
Ptot (W)
avg Po (W)
Vs = 14.4 V
RL = 4 x 4
Stereo Pink Noise
STD
SBI
CLIP START
GADG3105161533PS
Figure 27. Power dissipation vs. average Po
(audio program simulation, 2 Ω)
Figure 28. ITU R-ARM frequency response,
weighting filter for transient pop
0
10
20
30
40
50
60
70
80
90
100
012345678
Ptot (W)
avg Po (W)
Vs = 14.4 V
RL = 4 x 2
Stereo Pink Noise
STD
SBI
CLIP START
GADG3105161550PS
Output attenuation (dB)
-50
-40
-30
-20
-10
0
10
20
30
40
10
100
1000
10000
100000
Hz
GAPGPS00153



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