ba3853bfs ROHM Co. Ltd., ba3853bfs Datasheet - Page 8

• Manufacturer Part Number: ba3853bfs
• Description: Stereo Sound Controller Ic
• Manufacturer: ROHM Co. Ltd.

FCircuit operation
(1)
blocks are the main volume (front and rear), tone control
(bass and treble), and balance and fader. Signal control
for each block is possible with a DC voltage.
(2)
and rear volume controller. The front volume controller
has 18dB of attenuation.
FApplication example
798
Audio ICs
As shown is the block diagram, the main circuit
The main volume is comprised of a front volume
(3)
5 of the application notes regarding the component val-
ues.
(4)
tone control current. Refer to control curves item 3 of the
application notes.
(5)
given in the measurement data.
The tone filter is an external CR circuit. Refer to item
The loudness is set by a calculation based on the
The control curves for the balance and fader are
BA3853BFS