LV1116N_08 Datasheet, PDF (14/18 Pages) Sanyo Semicon Device – Surround Processor ICs for Electronic Volume Control

LV1116N/1116NV
Treble / Bass Band Block Equivalent Circuit Diagram
From L-Input Block
+
-
SW2
SW1
0dB
±2dB
±4dB
±6dB
±8dB
±10dB
±12dB
±14dB
±16dB
±18dB
SW3
SW4
R1=10.633kΩ
R2=8.446kΩ
R3=6.709kΩ
R4=5.329kΩ
R5=4.233kΩ
R6=3.363kΩ
R7=2.671kΩ
R8=2.122kΩ
R9=1.665kΩ
R10=6.510kΩ
+
-
SW2
SW1
Total=51.7kΩ
0dB
±2dB
±4dB
±6dB
±8dB
±10dB
±12dB
±14dB
±16dB
±18dB
±20dB
R12=100Ω
SW3
To L-OUT Block
SW4
R1=15.220kΩ
R2=12.089kΩ
R3=9.603kΩ
R4=7.628kΩ
R5=6.059kΩ
R6=4.813kΩ
R7=3.823kΩ
R8=3.037kΩ
R9=2.412kΩ
R10=1.916kΩ
R11=100Ω
Total=66.7kΩ
L-TC1
L-BC2
L-BC1
Same for Right channel
During boost, SW1 and SW3 are ON, during cut, SW2 and SW4 are ON, when 0dB, 0dBSW and SW2 and SW3 are ON.
L+R Block Equivalent Circuit Diagram
From L-VROUT
+
-
From R-VROUT
R1=50kΩ
R2=50kΩ
+
-
Mute
R3=50kΩ
+
-
R4=10kΩ
L+R
Step1
Step2
Step3
Step4
Step5
Step6
Step7
R5=10.284kΩ
R6=8.169kΩ
R7=6.489kΩ
R8=5.154kΩ
R9=4.094kΩ
R10=3.252kΩ
Total=50kΩ
R11=12.559kΩ
L+R_LPF
AGND
ILV00257
No.8262-14/18