BD3403FV ROHM [Rohm], BD3403FV Datasheet - Page 14

• Manufacturer Part Number: BD3403FV
• Description: Sound Processors with Built-in 3-band Equalizers
• Manufacturer: ROHM [Rohm]

BD3403FV,BD3861FS,BD3883FS
© 2010 ROHM Co., Ltd. All rights reserved.
www.rohm.com
13) Input Selector and Input Gain
14) Constraints of serial control (BD3883FS)
15) Function setting while muting Volume (BD3883FS)
When changing Input Selector or Input Gain, the Soft-switching is not applied. Therefore, it is recommended to implement
the MUTE function.
MUTE setting example
On Soft-switching of the RECOUT, Surround, and Rear Volume functions, data must not be sent serially to the functions
before the switching operation is completed.
While muting Volume, to avoid increasing residual noise, set Bass, Middle and Treble to 0dB, Surround to OFF, and Rear
Volume to -10dB.
MUTE
SERIAL DATA
INPUT SOURCE
SWITCHING
Direction
If the function for Soft-switch should serially send the data (Data(4)) on the
same Select Address, the time interval between the send operations must be
set to 500 -600msec.
Data(4)
40～60ms
Fig.17
Fig.18
14/15
T
SERIAL DATA
Data(4)
L=ON
H=OFF
Technical Note
2010.10 - Rev.A