STA518 データシートの表示（PDF） - STMicroelectronics
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STA518 Datasheet PDF : 19 Pages
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STA518
Characterization curves
5
Characterization curves
The following characterization are obtained using the quad single ended configuration (Figure 1) with
STA308A controller
Figure 10. Power Dissipation vs Output Power Figure 11. Power Derating Curve
Pd (W)16
14
Vcc=30V
12 Rl=4ohm
F =1Kz
10
8
6
4
2
0
0
4
8
12
16
20
24
4 x Pout (W)
Pd(W)
25
20
15
10
5
1
3
2
4
5
1)Infinite
2) 1.5 C/W
3) 3 C/W
4) 4.5 C/W
5) 6 C/W
0 20 40 60 80 100 120 140 160
Tambient(C)
Figure 12. THD+N vs Output Power
Figure 13. Output Power vs Supply Voltage
THD(%) 10
5
2
1
0.5
Vcc = 26V
Rl = 4 ohm
F = 1KHz
Single Ended
0.2
0.1
100m 200m
500m
1
2
Pout(W)
Pout(W)
30
27.5
25
22.5
20
Rl=4 ohm
F=1KHz
Single Ended
17.5
15
THD=10%
12.5
10
THD=1%
7.5
5
5
10
20 30
2.5
+10 +12 +14 +16 +18 +20 +22 +24 +26 +28 +30
Vdc
Figure 14. THD vs Frequency
THD(%)
1
0.5
0.2
Rl=4 ohm
0.1
Pout=1W
Single Ended
0.05
0.02
0.01
20
50 100 200
500 1k 2k
Freq(Hz)
5k 10k 20k
15/19
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