参数资料
型号: TDA7454
厂商: STMICROELECTRONICS
元件分类: 音频/视频放大
英文描述: 42 W, 4 CHANNEL, AUDIO AMPLIFIER, ZFM25
封装: FLEXIWATT-25
文件页数: 10/13页
文件大小: 350K
代理商: TDA7454
8
10121416
18
Vs (V)
40
80
120
160
200
240
Id (mA)
Vi = 0
RL = 4 Ohm
Figure 3: Quiescent Current vs. Supply Voltage
8
9
10
11
12
13
14
15
16
17
18
Vs (V)
5
10
15
20
25
30
35
40
45
Po (W)
RL= 4 Ohm
f= 1 KHz
THD= 10 %
THD= 1 %
Figure 4: Output Power vs. Supply Voltage
8
9
10
11
12
13
14
15
16
17
18
Vs (V)
5
10
15
20
25
30
35
40
45
50
55
60
Po (W)
RL= 4 Ohm
f= 1 KHz
Figure 5: Max. Output Power vs. Supply Voltage
8
9
10
11
12
13
14
15
16
Vs (V)
5
10
15
20
25
30
35
40
45
50
Po (W)
RL = 2 Ohm
f = 1 KHz
THD = 10 %
THD = 1 %
Figure 6: Output Power vs. Supply Voltage
8
9
10
11
12
13
14
15
16
Vs (V)
15
20
25
30
35
40
45
50
55
60
65
70
75
Po (W)
RL= 2 Ohm
f= 1 KHz
Figure 7: Max. Output Power vs. Supply Voltage
01
10
Po (W)
0
0.1
1
10
THD (%)
f = 10 KHz
RL = 4 Ohm
f = 1 KHz
HI-EFF MODE
Figure 8: THD vs. Output Power
TDA7454
6/13
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