参数资料
型号: TDA7480
厂商: STMICROELECTRONICS
元件分类: 音频/视频放大
英文描述: 10 W, 1 CHANNEL, AUDIO AMPLIFIER, PDIP20
封装: PLASTIC, DIP-20
文件页数: 8/10页
文件大小: 182K
代理商: TDA7480
Vs= +/- 10.5V
Rl= 4 Ohm
F= 1 KHz
0
123
45
67
89
10
Output Power (W)
0.1
1
10
THD (%)
Figure 7. Distortion vs. Output Power
10
10.5
11
11.5
12
12.5
13
13.5
14
14.5
15
15.5
16
Supply Voltage (+/- V)
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Output Power (W)
Rl= 8 Ohm
F= 1 KHz
Thd=10%
Thd=1%
Figure 5. Output Power vs. Supply Voltage
012
3456789
10
Output Power (W)
0
0.5
1
1.5
2
2.5
Power Dissipation (W)
0
10
20
30
40
50
60
70
80
90
100
Efficiency (%)
Vs= +/- 10.5V
Rl= 4 Ohm
F= 1 KHz
Pdiss
Efficiency
Figure 9. Power Dissipation and Efficiency vs.
Output Power
0123456
789
10
Output Power (W)
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2
Power Dissipation (W)
0
20
40
60
80
100
Efficiency (%)
Vs= +/- 14V
Rl= 8 Ohm
F= 1 KHz
Efficiency
Pdiss
Figure 8. Power Dissipation and Efficiency vs.
Output Power
Vs= +/- 14V
Rl= 8 Ohm
F= 1 KHz
0
1
2
345
67
89
10
Output Power (W)
0.01
0.1
1
10
THD (%)
Figure 6. Distortion vs. Output Power
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
Vpin #12 (V)
0
10
20
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
Attenuation (dB)
Vs= +/- 14V
Rl= 8 Ohm
0 dB =1 W @ F= 1 KHz
Figure 10. Mute Attenuation vs. Vpin 12
TYPICAL CHARACTERISTICS (Application Circuit of fig 1 unless otherwise specified)
TDA7480
7/10
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