LC75412WS Datasheet, PDF (14/19 Pages) Sanyo Semicon Device – Electronic Volume Controller for Car Audio Systems

LC75412WS
Tone Control Block Equivalent Circuit Diagram
From
Volume Block
LTOUT
SW1
SW2
SW3
0.655kΩ
2.189kΩ
2.756kΩ
3.470kΩ
4.368kΩ
5.498kΩ
6.923kΩ
8.715kΩ
10.972kΩ
13.813kΩ
SW4
18dB
16dB
14dB
12dB
10dB
8dB
6dB
4dB
2dB
0dB
SW1
SW2
SW3
0.655kΩ
2.189kΩ
2.756kΩ
3.470kΩ
4.368kΩ
5.498kΩ
6.923kΩ
8.715kΩ
10.972kΩ
13.813kΩ
SW4
18dB
16dB
14dB
12dB
10dB
8dB
6dB
4dB
2dB
0dB
3.90kΩ
LF1C1
LF1C2
LF1C3
Total resistance: 59.359kΩ
Same for right channel
3.90kΩ
LF3C1
LF3C2
LF3C3
During boost, SW1 and SW3 are ON, during cut SW2 and SW4 are ON, and when 0dB, 0dB SW and SW2 and SW3
are ON.
No.A1354-14/19