BA3812L Rohm Semiconductor, BA3812L Datasheet

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
The BA3812L is a five-point graphic equalizer that has all the required functions integrated onto one IC. The IC is com-
prised of the five tone control circuits and input and output buffer amplifiers.
The BA3812L features low distortion, low noise, and wide dynamic range, and is an ideal choice for Hi-Fi stereo applica-
tions. It also has a wide operating voltage range (3.5V to 16V), which means that it can be adapted for use with most
types of stereo equipment.
The five center frequencies are independently set using external capacitors, and as the output stage buffer amplifier and
tone control section are independent circuits, fine control over a part of the frequency bandwidth is possible, By using
two BA3812Ls, it is possible to construct a 10-point graphic equalizer.
The amount of boost and cut can be set by external components.
FApplications
Radio cassette players, home stereo systems and car stereo systems.
FFeatures
1) Minimizes the number of components required to
2) Low distortion and low noise.
3) Wide operating power supply voltage range (3.5V to
FAbsolute maximum ratings (Ta = 25_C)
FRecommended operating conditions (Ta = 25_C)
5-channel graphic equalizer
BA3812L
Audio ICs
build a graphic equalizer.
16V).
4) Low current dissipation (5 mA).
5) Wide dynamic range (V
6) Built-in input and output buffer amplifiers.
OM
= 2.1V
rms
/ V
CC
= 8V).
445

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BA3812L Summary of contents

Page 1

... BA3812L The BA3812L is a five-point graphic equalizer that has all the required functions integrated onto one IC. The IC is com- prised of the five tone control circuits and input and output buffer amplifiers. The BA3812L features low distortion, low noise, and wide dynamic range, and is an ideal choice for Hi-Fi stereo applica- tions ...

Page 2

... Audio ICs FBlock diagram FElectrical characteristics (unless otherwise noted 25_C, V 446 = 8V, and fin = 1kHz) CC BA3812L ...

Page 3

... Audio ICs FMeasurement circuit FApplication example BA3812L 447 ...

Page 4

... As shown in Fig. 3, with three ICs it is possible to construct a 7-point stereo graphic equalizer. Two BA3812L ICs are used to construct a 5-point stereo graphic equalizer, and two of the active inductor circuits from a third BA3812L are added to each. BA3812L ...

Page 5

... FSolid-state inductor A solid state inductor uses an active element and has the equivalent function of an inductor. The circuit shown in Fig 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 ...

Page 6

... Audio ICs FExternal dimensions (Units: mm) 450 BA3812L ...

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