![](/html/ST-Microelectronics/650361/page8.png)
TDA7463AD
Figure 10. PIN: ALC
VS
20µA
GND
100K
D99AU1112
Figure 11. PIN: CREF
VS
1K
20µA
GND
D99AU1113
Figure 12. BASS ALC: Threshold Curve
VO
(Vrms)
VS=1.8V; f=100Hz;
Volume=-14dB;
Output gain=+14dB
Intern. release circuit=ON
Bass boost
without ALC
Threshold:
8dB
11dB
0.1
14dB
Bass boost
with ALC
17dB
Bass=
+14dB boost flat
D99AU1115
0.01
0.01
0.1
Figure 13. BAS ALC: THD
THD
(%)
VS=1.8V; f=100Hz;
Volume=-14dB;
Output gain=+14dB
Intern. release circuit=ON
10
Bass boost
with ALC
1
Threshold
17dB
0.1
0.01
0.001
0.01
Bass boost
without ALC
flat
0.1
VI(Vrms)
D99AU1114
VI(Vrms)
8/11