參數(shù)資料
型號(hào): TDA7389
廠商: STMICROELECTRONICS
元件分類: 音頻/視頻放大
英文描述: 28 W, 4 CHANNEL, AUDIO AMPLIFIER, ZFM25
封裝: ROHS COMPLIANT, FLEXIWATT-25
文件頁(yè)數(shù): 13/14頁(yè)
文件大小: 190K
代理商: TDA7389
Electrical specifications
TDA7389
2.4
Electrical characteristic curves
Figure 3.
Quiescent current vs. supply
voltage
Figure 4.
Quiescent output voltage vs.
supply voltage
Figure 5.
Output power vs. supply voltage
Figure 6.
Maximum output power vs. supply
voltage
Figure 7.
Distortion vs. output power
Figure 8.
Distortion vs. frequency
120
130
140
150
160
170
180
8
1012141618
VS (V)
Id (mA)
Vin = 0
RL = 4Ω
AC00483
3
4
5
6
7
8
9
10
8
9
10
11
12
13
14
15
16
17
18
Vs (V)
Vo (V)
Vi = 0
RL = 4
Ω
AC00484
5
10
15
20
25
30
35
40
45
50
8
9
10
11
12
13
14
15
16
17
18
Vs (V)
Po (W)
RL = 4
Ω
f = 1 KHz
THD = 10%
THD = 1%
AC00485
10
15
20
25
30
35
40
45
50
55
60
65
70
8
9
10
11
12
13
14
15
16
17
18
Vs (V)
Po (W)
RL = 4
Ω
f = 1 KHz
square-wave output
AC00486
0.01
0.1
1
10
0.1
1
10
100
Po (W)
THD (%)
Vs = 14.4V
RL = 4
Ω
f = 10 KHz
f = 1 KHz
AC00487
0.01
0.1
1
10
2
10
3
10
4
10
5
f (Hz)
THD (%)
Vs = 14.4V
RL = 4
Ω
Po = 4W
AC00488
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