lc75421m Sanyo Semiconductor Corporation, lc75421m Datasheet - Page 9

• Manufacturer Part Number: lc75421m
• Description: Electronic Volume Controller For Cars
• Manufacturer: Sanyo Semiconductor Corporation

Pin Functions
Pin No.
18
17
16
15
14
20
21
22
23
24
13
25
10
28
29
30
31
33
34
9
8
7
5
4
Pin Name
RBASS1
RBASS2
LBASS1
LBASS2
RROUT
RSELO
LROUT
RFOUT
LSELO
LFOUT
ROUT
LOUT
RSB
LSB
R1
R2
R3
R4
R5
L1
L2
L3
L4
L5
• Input signal pins
• Input selector output pins
• Bass band filter configuration capacitor and resistor
• Super bass band filter configuration capacitor and resistor
• Fader output pins. The front side and rear side can be
connection pins
connection pins
attenuated separately. The attenuation is the same for both
Left and Right.
Function
LC75421M
BASS1
Ln
Rn
SB
VDD
VDD
VDD
Equivalent circuit
Vref
VDD
VDD
Continued on next page.
VDD
VDD
VDD
VDD
SELO
BASS2
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