參數(shù)資料
型號: TDA7850H
廠商: STMICROELECTRONICS
元件分類: 音頻/視頻放大
英文描述: 80 W, 4 CHANNEL, AUDIO AMPLIFIER, ZFM25
封裝: ROHS COMPLIANT, FLEXIWATT-25
文件頁數(shù): 4/18頁
文件大小: 386K
代理商: TDA7850H
Electrical specifications
TDA7850
Figure 12.
Distortion vs. frequency
(RL = 2Ω)
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 = 4Ω, SINE)
Figure 17.
Power dissipation and efficiency
vs. output power (RL = 2Ω, SINE)
AC00070
0.001
0.01
0.1
1
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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