lc75412e Sanyo Semiconductor Corporation, lc75412e Datasheet - Page 14

• Manufacturer Part Number: lc75412e
• Description: Electronic Volume Controller For Car Audio Systems
• Manufacturer: Sanyo Semiconductor Corporation

Internal Equivalent Circuit Block Diagram
Selector Block Equivalent Circuit Block Diagram
L5P
L5M
L6
L4
L3
L2
L1
Total resistance: 50 k
Same for right channel
Unit (Resistance: )
R3=22.65k
R4=25k
R1=22.65k
LVref
LVref
LVref
LVref
LVref
LVref
50k
50k
50k
50k
50k
INMUTE SW
R2=25k
+
-
LC75412E, 75412W
LVref
11.25dB
13.75dB
16.25dB
18.75dB
1.25dB
2.50dB
3.75dB
5.00dB
6.25dB
7.50dB
8.75dB
10.0dB
12.5dB
15.0dB
17.5dB
0dB
+
-
LVref
6.702k
5.804k
5.026k
4.352k
3.769k
3.264k
2.826k
2.447k
2.119k
1.835k
1.589k
1.376k
1.192k
1.032k
0.894k
5.774k
LSELO
No. 7053-14/21