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TDA7850 Datasheet(PDF) 12 Page - STMicroelectronics

Part # TDA7850
Description  4 x 50 W MOSFET quad bridge power amplifier
PDF  18 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7850 Datasheet(HTML) 12 Page - STMicroelectronics

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Electrical specifications
TDA7850
12/18
Figure 12.
Distortion vs. frequency
(RL = 2)
Figure 13.
Crosstalk vs. frequency
Figure 14.
Supply voltage rejection vs.
frequency
Figure 15.
Output attenuation vs. supply
voltage
Figure 16.
Power dissipation and efficiency
vs. output power (RL = 4, SINE)
Figure 17.
Power dissipation and efficiency
vs. output power (RL = 2, SINE)
AC00070
0.001
0.01
0.1
1
10
10
100
1000
10000
100000
f (Hz)
THD (%)
V
S = 14.4 V
R
L = 2Ω
Po = 8 W
-100
-90
-80
-70
-60
-50
-40
-30
-20
10
100
1000
10000
100000
R
L = 4Ω
Po = 4 W
Rg = 600
Ω
f (Hz)
CROSSTALK (dB)
AC00071
AC00072
-100
-90
-80
-70
-60
-50
-40
-30
-20
10
100
1000
10000
100000
f (Hz)
SVR (dB)
Rg = 600Ω
Vripple = 1 Vrms
AC00073
-100
-80
-60
-40
-20
0
56
78
9
10
Vs (V)
OUTPUT ATTN (dB)
RL = 4
Ω
Po = 4 W ref
AC00074
0
10
20
30
40
50
60
70
80
90
0
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
Ptot (W)
η (%)
Po (W)
0
10
20
30
40
50
60
70
80
90
Ptot
η
VS = 14.4 V
RL = 4 x 4
Ω
f = 1 KHz SINE
AC00075
0
20
40
60
80
100
120
140
160
180
0
5
10
15
20
25
30
35
40
45
50
55
0
10
20
30
40
50
60
70
80
90
Ptot (W)
η (%)
Po (W)
Ptot
η
VS = 14.4 V
RL = 4 x 2
Ω
f = 1 KHz SINE



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