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STA559BWQS Datasheet(PDF) 20 Page - STMicroelectronics

Part # STA559BWQS
Description  5-V, 2-A, 2.1-channel high-efficiency digital audio system with QSound QHD
PDF  66 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STA559BWQS Datasheet(HTML) 20 Page - STMicroelectronics

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Electrical specifications
STA559BWQS
20/66
Figure 11. Output power vs. supply voltage (RL
= 8
Ω)
Figure 12. Output power vs. supply voltage (RL
= 8
Ω)
Figure 13. Efficiency vs. Pout (Vcc = 9 V; RL =
8
Ω)
Figure 14. Efficiency vs. Pout (Vcc = 5 V; RL =
4
Ω)
Figure 15. Efficiency vs. Pout (Vcc = 5 V; RL =
2
Ω)
Figure 16. THD vs. frequency
Po(W)
0
3
0.3
0.6
0.9
1.2
1.5
1.8
2.1
2.4
2.7
+4.5
+10
+5
+5.5
+6
+6.5
+7
+7.5
+8
+8.5
+9
+9.5
Vcc(V)
THD=1%
THD=10%
Rload = 8
Ώ
f = 1KHz
SE
0
10
1
2
3
4
5
6
7
8
9
Po(W)
+4.5
+10
+5
+5.5
+6
+6.5
+7
+7.5
+8
+8.5
+9
+9.5
Vcc(V)
Rload = 8
Ώ
f = 1KHz
BTL
THD=1%
THD=10%
16
23
4
5
2xPout (W)
0
100
10
20
30
40
50
60
70
80
90
Eff (%)
Vcc= 9V
Rload= 8
Ώ
f = 1KHz
BTL
500m
3
11.5
2
2.5
2xPout (W)
0
100
10
20
30
40
50
60
70
80
90
Eff(%)
Vcc = 5V
Rload = 4
Ώ
f = 1KHz
BTL
500m
4
1
1.5
2
2.5
3
3.5
2 x Pout (W)
0
100
10
20
30
40
50
60
70
80
90
Eff(%)
Vcc = 5V
R load = 2
Ώ
f = 1KHz
BTL
Freq(Hz)
THD%
4ohm
6ohm
8ohm
0.01
1
0.02
0.05
0.1
0.2
0.5
20
20k
50
100
200
500
1k
2k
5k
10k
Stereo DDX Mode
Vcc=5V, Po= 1W



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