Audio ICs
BH3874AKS2
Pin No. Pin name Pin voltage
30
VCC
−
57
DPLL1
59
DPLR1
VCC/2
Equivalent circuit
−
VCC
GND
58
DPLL2
60
DPLR2
VCC/2
VCC
7k
GND
VCC
Pin description
Power supply pin.
A pin for outputting DPL.
A pin for inputting DPL.
61
PS1
62
PS2
VCC/2
15.4k
A pin for setting surround phase
15.4k
15.4k
shifter.
GND
VCC
17
HPFL1
VCC/2
20k
20
HPFR1
GND
A pin for setting cut-off frequency
of HPF.
VCC
18
HPFL2
21
HPFR2
VCC/2
GND
A pin for setting cut-off frequency
of HPF.