sta323wqs STMicroelectronics, sta323wqs Datasheet - Page 24

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

Electrical characteristics curves
4.1.3
24/72
Figure 31. FFT -60 dbfs 1 kHz, 4 Ω
Figure 32. PSRR BTL: 500 mV ripple
Audio performance - half bridge binary mode (operation with Vcc =
18.5 V)
Figure 33. Frequency response: 1 W, binary half bridge mode
-1 0 0
-1 0 0
-1 2 0
-1 4 0
-1 6 0
+ 1 0
+ 4 0
+ 2 0
-2 0
-4 0
-6 0
-8 0
-1 0
-2 0
-3 0
-4 0
-5 0
-6 0
-7 0
-8 0
-9 0
+ 0
+ 0
+ 2 .5
+ 1 .5
+ 0 .5
-0 .5
-1 .5
-2 .5
+ 3
+ 2
+ 1
+ 0
2 0
2 0
-1
-2
-3
d B r
d B r
2 0
d B r A
5 0
5 0
3 0
4 o h m
8 o h m
1 0 0
1 0 0
3 o h m
4 o h m
2 o h m
4 0
2 0 0
2 0 0
5 0
6 o h m
F re q u e n c y (H z )
5 0 0
5 0 0
6 0
H z
H z
7 0 8 0 9 0 1 0 0
1 k
1 k
2 k
2 k
5 k
5 k
T
1 0 k
1 0 k
T
2 0 k
2 0 k
2 0 0
STA323WQS