STA559BWQS13TR STMICROELECTRONICS [STMicroelectronics], STA559BWQS13TR Datasheet - Page 21
STA559BWQS13TR
Manufacturer Part Number
STA559BWQS13TR
Description
5-V, 2-A, 2.1-channel high-efficiency digital audio system with QSound QHD
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.STA559BWQS13TR.pdf
(66 pages)
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STA559BWQS
Figure 17. PSSR
Figure 19. Channel separation stereo S.E.
Figure 21. FFT 0 dBFS stereo DDX mode
dBr A
dBr A
dBr
-100
-100
+10
+10
-10
-20
-30
-40
-50
-60
-70
-80
-90
-10
-20
-30
-40
-50
-60
-70
-80
-90
+0
+0
-100
-110
-120
-130
-140
-150
+10
20
-10
-20
-30
-40
-50
-60
-70
-80
-90
20
+0
20
50
Stereo S.E. Mode
Rl = 2Ώ,Vcc=5V
50
mode (R
Vcc = 5V
Po = 1W
30
Po = 1W
Stereo DDX Mode
Vcc=5V, Rl=4Ώ
100
100
f = 1KHz
40
200
200
L
50
= 2 Ω)
Frequency (Hz)
Frequency (Hz)
Frequency Hz
500
500
60
70
1k
1k
80 90 100
2k
2k
5k
5k
8ohm
6ohm
10k
10k
T T
4ohm
20k
200
20k
Figure 18. Channel separation stereo DDX
Figure 20. Channel separation stereo S.E.
dBr A
Figure 22. FFT -60 dBFS stereo DDX mode
dBr A
dBr
-100
+10
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
+0
+10
-100
-110
-120
-130
-140
-150
-10
-20
-30
-40
-50
-60
-70
-80
-90
+10
+0
-10
-20
-30
-40
-50
-60
-70
-80
-90
+0
20
20
20
Stereo DDX Mode
Vcc= 5v, Rl=4Ώ
50
50
Po = 1W
50
mode (R
mode (R
Stereo DDX Mode
Vcc=5V, Rl=4Ώ
100
100
f = 1KHz
100
Stereo S.E. Mode
Rl = 4Ώ,Vcc=5V
200
200
200
Po = 1W
L
L
= 2 Ω)
= 4 Ω)
Frequency (Hz)
Frequency (Hz)
Frequency (Hz)
500
500
500
Electrical specifications
1k
1k
1k
2k
2k
2k
5k
5k
5k
10k
10k
10k
21/66
20k
20k
20k
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