Sound Processors for Car Audios

ROHM car audio sound processors require very few components, simplifying design. In addition, BiCMOS processes are utilized for low distortion, low noise operation.

Sound Pricessors for Car Audio

Part No.

Equalizer
(band)

Supply
Voltage
(V)

INPUT Selector

INPUT
GAIN
(dB)

VOLUME
(dB)

Parametric
EQ
(μs)

LOUDNESS

LPF/HPF for SUB WOOFER

LEVEL METER

OPTION

Serial
Interface

Package

RoHS

Single

ISO

BD37511FS

2

7.0 to 9.5

3

0

0 to +20

0 to-40

-

-

-

-

-

I2C BUS

SSOP-A20

Yes

BD37512FS

2

7.0 to 9.5

3

1

0 to +20

0 to-40

-

-

-

-

-

I2C BUS

SSOP-A20

Yes

BD37513FS

2

7.0 to 9.5

3

1

0 to +20

+15 to-79,-∞

-

built-in

-

-

-

I2C BUS

SSOP-A20

Yes

BD37514FS

2

7.0 to 9.5

3

1

0 to +20

+15 to-79,-∞

Yes

built-in

-

-

-

I2C BUS

SSOP-A20

Yes

BD37515FS

2

7.0 to 9.5

3

1

0 to +20

+15 to-79,-∞

Yes

built-in

LPF

-

-

I2C BUS

SSOP-A20

Yes

BD37521FS

2

7.0 to 9.5

3

1

0 to +20

+15 to-79,-∞

-

EXT

-

-

-

I2C BUS

SSOP-A24

Yes

BD37522FS

2

7.0 to 9.5

4

1

0 to +20

+15 to-79,-∞

Yes

built-in

-

-

-

I2C BUS

SSOP-A24

Yes

BD37523FS

2

7.0 to 9.5

4

1

0 to +20

+15 to-79,-∞

Yes

built-in

LPF

-

-

I2C BUS

SSOP-A24

Yes

BD37524FS

3

7.0 to 9.5

4

1

0 to +20

+15 to-79,-∞

Yes

built-in

LPF

built-in

-

I2C BUS

SSOP-A24

Yes

BD37531FV

3

7.0 to 9.5

2/3/5

3/2/1

0 to +20

+15 to-79,-∞

Yes

built-in

-

-

-

I2C BUS

SSOP-B28

Yes

BD37532FV

3

7.0 to 9.5

2/3/5

3/2/1

0 to +20

+15 to-79,-∞

Yes

built-in

LPF

-

-

I2C BUS

SSOP-B28

Yes

BD37533FV

3

7.0 to 9.5

2/3/5

3/2/1

0 to +20

+15 to-79,-∞

Yes

built-in

LPF

-

-

I2C BUS

SSOP-B28

Yes

BD37534FV

3

7.0 to 9.5

2/3/5

3/2/1

0 to +20

+15 to-79,-∞

Yes

built-in

LPF

built-in

-

I2C BUS

SSOP-B28

Yes

BD37541FS

3

7.0 to 9.5

2/3/5

3/2/1

0 to +20

+15 to-79,-∞

Yes

EXT

-

-

-

I2C BUS

SSOP-A32

Yes

BD37542FS

3

7.0 to 9.5

2/3/5

3/2/1

0 to +20

+15 to-79,-∞

Yes

EXT

LPF

-

-

I2C BUS

SSOP-A32

Yes

BD37543FS

3

7.0 to 9.5

2/3/5

3/2/1

0 to +20

+15 to-79,-∞

Yes

EXT

LPF+HPF

built-in

-

I2C BUS

SSOP-A32

Yes

BD37544FS

3

7.0 to 9.5

1/3/4

3/2/1

0 to +20

+15 to-79,-∞

Yes

-

LPF+HPF

-

SUPER BASS

I2C BUS

SSOP-A32

Yes

General Purpose Electric Volume Built-in Advanced Switch

Part No.

Output
(ch)

Supply
Voltage
(V)

Current consumption
(mA)

Fader Volume
(dB)

Mix Car NAVI
Cell Phone

Serial
Control

Output
noise
(μVrms)

Max. output
voltage
(Vrms)

Distortion
(%)

Package

RoHS

BD3460FS

6

7.0 to 9.5

25

+23 to -79,-∞
(1dB/step)

-

I2C BUS

1.9

2.3

0.0004

SSOP-A24

Yes

BD3461FS

6

7.0 to 9.5

25

+23 to -79,-∞
(1dB/step)

3ch

I2C BUS

1.9

2.3

0.0004

SSOP-A24

Yes

BD3464FV

4

7.0 to 9.5

25

+23 to -79,-∞
(1dB/step)

-

I2C BUS

1.9

2.3

0.0004

SSOP-B20

Yes

BD3465FV

4

7.0 to 9.5

25

+23 to -79,-∞
(1dB/step)

3ch

I2C BUS

1.9

2.3

0.0004

SSOP-B20

Yes

6ch electric Volume for 5.1ch Car Theater

Part No.

Output
(ch)

Fader
Volume
(ch)

Supply
Voltage
(V)

Current
consumption
(mA)

Input selector

Mix Car
NAVI Cell
Phone

Output for
spectrum
analyzer

Interface

Output
noise
(μVrms)

Max.
output
voltage
(Vrms)

Distortion
(%)

Package

RoHS

Single
Input

Monaural Differential
Amplifier Input

BD3433K

5.1

6

±7.0 to ±9.5

12.0

5.1ch ×2

1

Yes

Yes

3 Wire

3

5.6

0.001

QFP44

Yes