Audio Accessory ICs

ROHM's high-performance accessory IC series for audio applications utilize advanced circuitry developed using cutting-edge audio technology, making them ideally suited for a wide variety of applications, such as car audio, boom boxes, mini stereos, and karaoke machines.

OP Amp. with 3 Inputs Selector

Part No.

Supply
voltage
(V)

Circuit current
(mA)

Open loop gain
(dB)

Inputs

CMRR
(dB)

Supply voltage rejection ratio
(dB)

Common- mode input voltage range
(V)
VCC=8V

Offset voltage
(mV)

Offset current
(nA)

Input bias current
(nA)

THD
(%)

Channel separation
(dB)

Gainband- width product
(MHz)

Slew rate
(V/µS)

Package

RoHS

BA3131FS

6.0 to 16.0

4.9

110

3

72

90

6

0.5

5.0

50

0.0025

115

2.6

1.2

SSORP-A20

Yes

Ground Isolation Amplifier

Part No.

Supply
Voltage
(V)

Operating
Temperature
(℃)

Circuits

Circuit
Current
(mA)

Voltage gain
(dB)

CMRR
(dB)

Common-mode input
Voltage Range(Vcc=8V)
(V)

THD
(%)

PACKAGE

ROHS

STOCK_CHECK

BA3121F

4.0TO18.0

-30TO85

2

9.0

-0.04

57

3.75

0.002

SOP8

Yes

BA3123F

4.0TO18.0

-40TO85

2

9.0

-0.04

57

3.75

0.002

SOP8

Yes

 

Pre-amplifiers with Built-in ALC

 

Part No.

Supply voltage
(V)

Open loop gain
(dB)

THD(%)

Input register
(kΩ)

Max. output voltage
(Vrms)

Equivalent Input noise voltage
(µVrms)

ALC
range
(dB)

Channel balance
(dB)

Channel separation
(dB)

PACKAGE

ROHS

STOCK_CHECK

BA3308F

4.5TO14

80

0.1

25

1.2

1.0

45

0

75

SOP14

Yes

BA3308FV

4.5TO14

80

0.1

25

1.2

1.0

45

0

75

SSOP-B14

Yes