BA3812L Rohm Semiconductor, BA3812L Datasheet - Page 5

IC EQUALIZER GRAPHIC 5-CH ZIP18

BA3812L

Manufacturer Part Number
BA3812L
Description
IC EQUALIZER GRAPHIC 5-CH ZIP18
Manufacturer
Rohm Semiconductor
Type
Equalizerr
Datasheet

Specifications of BA3812L

Applications
Automotive Systems, Home Theater, TV
Mounting Type
Through Hole
Package / Case
18-SIP (Bent and Staggered Leads)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
FSolid-state inductor
A solid state inductor uses an active element and has the
equivalent function of an inductor. The circuit shown in
Fig. 4 is used in the BA3812L. This circuit employs two
capacitors, a potentiometer, and a bias capacitor as ex-
ternal components, everything else is on the chip.
The resonance frequency (f
fixed by the values of the external capacitors.
The circuit Q is obtained from the following formula:
Q =
FElectrical characteristic curves
Audio ICs
C
CR
O
R
1
O
o
) and the Q of the circuit are
The resonance frequency is obtained from the following
formula:
f
Q is the factor that determines the bandwidth of the fre-
quency. If the amount of boost and cut are the same for
the same resonance frequency, the larger the value of Q,
the narrower the resonant frequency band.
o
(Hz) =
2
R
1
0
R
1
CC
0
(R: , C: F)
BA3812L
449

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