BH3852 ROHM [Rohm], BH3852 Datasheet - Page 9

• Manufacturer Part Number: BH3852
• Description: Sound control IC
• Manufacturer: ROHM [Rohm]

(4)
(5)
The following figure represents the standard setting for
the BH3852FS / BH3852S.
LAs indicated above, if the front volume and rear volume
input level are set so as not to exceed +6dBV (2Vrms),
the pre-amp gain setting can be used to improve the S / N
ratio.
Audio ICs
S Cutoff frequency (f
S f
changed using the attached C
Tone control is designed to yield a variation of
cut is at the peak or bottom of the filter frequency
characteristic, so please take the frequency charac-
teristic into consideration in designing the filter.
C
15dB (Typ.) when the frequency to be boosted or
Treble filter
Signal level setting
2 is determined by the band of the built-in amp.
f
C
1 =
The f
approximately 8 kHz.
f
C
2 is approximately 100 kHz.
C
2
1 for the recommended constant is
C
1
3
C
1) for the bypass filter can be
2k
3
.
BH3852S / BH3852FS
619