參數(shù)資料
型號: TDA7851A
廠商: STMICROELECTRONICS
元件分類: 音頻/視頻放大
英文描述: 48 W, 4 CHANNEL, AUDIO AMPLIFIER, ZIP27
封裝: ROHS COMPLIANT, FLEXIWATT-27
文件頁數(shù): 15/15頁
文件大小: 203K
代理商: TDA7851A
TDA7851A
Electrical specifications
Doc ID 17715 Rev 1
3.3
Electrical characteristics curves
Figure 4.
Quiescent current vs. supply
voltage
Figure 5.
Output power vs. supply voltage
(RL = 4 Ω)
Figure 6.
Output power vs. supply voltage
(RL = 2 Ω)
Figure 7.
Distortion vs. output power
(RL = 4 Ω)
Figure 8.
Distortion vs. output power
(RL = 2 Ω)
Figure 9.
Distortion vs. frequency
(RL = 4 Ω)
AC00024
120
130
140
150
160
170
180
8
1012141618
I
d (mA)
Vs (V)
Vi = 0
RL =
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
8
9
10
11
12
13
14
15
16
17
18
P
o (W)
V
s (V)
AC00025
R
L= 4Ω
f =1 KHz
Po-max
THD=10%
THD=1%
0
10
20
30
40
50
60
70
80
90
100
110
120
130
8
9
10
11
12
13
14
15
16
17
18
V
s (V)
Po (W)
Po-max
THD=10%
THD=1%
R
L=2Ω
f=1 KHz
AC00026
0.001
0.01
0.1
1
10
0.1
1
10
100
P
o (W)
THD (% )
V
s = 14.4 V
R
L = 4Ω
f = 1 KHz
f = 10 KHz
AC00027
0.001
0.01
0.1
1
10
0.1
1
10
100
P
o (W)
THD (% )
V
s = 14.4 V
R
L = 2 Ω
f = 10 KHz
f = 1 KHz
AC00028
0.001
0.01
0.1
1
10
100
1000
10000
100000
f (Hz)
THD (% )
V
s = 14.4 V
R
L = 4 Ω
P
o = 4 W
AC00029
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