sta323wqs STMicroelectronics, sta323wqs Datasheet - Page 19

• Manufacturer Part Number: sta323wqs
• Description: 2.1-channel High-efficiency Digital Audio System With Qsound Qhd??
• Manufacturer: STMicroelectronics

STA323WQS
4.1.1
Figure 16. Half bridge binary mode output power vs. supply voltage (THD+N=1%).
Audio performance (operation with Vcc = 26 V, 8 Ohm load, stereo
mode)
Figure 17. Typical efficiency
Figure 18. Typical frequency response
Curves taken at 1 kHz and using a 330µF blocking capacitor
100
90
80
70
60
50
40
30
20
10
0
2 5
2 0
1 5
1 0
5
0
0
o u tp u t p o w e r (W )
1 0
10
Total Output Power (Watts)
20
1 5
s u p p ly v o lta g e (V )
30
2 0
40
2 o h m
50
2 5
60
Electrical characteristics curves
4 o h m
3 o h m
8 o h m
70
3 0
80
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