 |
Audio ICs
Sound Processors : Sound Processor Series for BOOM BOX / Mini-component Stereo
Sound Processors with built-in 2-band Equalizers
| Part No. |
Supply
voltage
（V） |
Current consumption
（mA） |
Input selector |
Input gain
(dB） |
Volume
(dB） |
BASS
(dB） |
TREBLE
(dB） |
Bass
Boost |
SEQ |
Surround |
Serial control |
Output noise
(µVrms) |
Max. output
(Vrms) |
Distortion
(%) |
Package |
RoHS |
| BD3870FS |
4.5
to 9.5 |
8 |
3 |
0 to 18
（6dB/step） |
0 to -87
/
-∞
（1dB
/
step） |
±14
(2dB/step) |
±12
(2dB/step) |
- |
- |
Ö |
2 Wire |
4.5 |
2.1 |
0.01 |
SSOP-A24 |
Yes |
| BD3871FS |
4.5
to 9.5 |
8 |
3 |
24/26/28 |
0 to -87
/
-∞
（1dB
/
step） |
±14
(2dB/step) |
±12
(2dB/step) |
- |
- |
Ö |
2 Wire |
40
(Gv=
24dB） |
2.1 |
0.01 |
SSOP-A24 |
Yes |
| BD3873FS |
4.5
to 9.5 |
8 |
3 |
18/21/
24/27 |
0 to -87
/
-∞
（1dB
/
step） |
±14
(2dB/step) |
±12
(2dB/step) |
- |
- |
Ö |
2 Wire |
40
(Gv=
24dB） |
2.1 |
0.01 |
SSOP-A24 |
Yes |
| BD3872FS |
4.5
to 9.5 |
8 |
5 |
0/5/
10/19/
21/23/
26/28 |
0 to -87
/
-∞
（1dB
/
step） |
±14
(2dB/step) |
±14
(2dB/step) |
- |
Ö |
Ö |
2 Wire |
4.5 |
2.1 |
0.01 |
SSOP-A32 |
Yes |
NEW
BD3490FV |
4.75
to 9.5 |
7 |
4 |
0/2/4/
6/8/12/
16/20 |
0 to -87
/
-∞
（1dB
/
step）,
Independent control |
±14
(2dB/step) |
±14
(2dB/step) |
Ö |
- |
Ö |
I2C BUS* |
5 |
2.3 |
0.002 |
SSOP-B28 |
Yes |
NEW
BD3491FS |
4.75
to 9.5 |
7 |
6 |
0/2/4/
6/8/12/
16/20 |
0 to -87
/
-∞
（1dB
/
step）,
Independent control |
±14
(2dB/step) |
±14
(2dB/step) |
Ö |
- |
Ö |
I2C BUS* |
5 |
2.3 |
0.002 |
SSOP-A32 |
Yes |
Sound Processors with built-in 3-band Equalizers
| Part No. |
Supply
voltage
（V） |
Current consumption
（mA） |
Input selector |
Input gain
(dB） |
Volume
(dB） |
Rear
Volume
（dB） |
BASS
(dB） |
MIDDLE
(dB） |
TREBLE
(dB） |
Speaker
HPF |
Surround |
Serial control |
Output noise
(µVrms) |
Max. output
(Vrms) |
Distortion
(%) |
Package |
RoHS |
| BD3883FS |
6.5
to 9.5 |
8 |
5 |
0/6/
12/16/
20/23
/26/29 |
0 to -87
/
-∞
（1dB
/
step） |
0/-10 |
±17.5
(2.5dB
/
step) |
±14
(2dB
/
step) |
±14
(2dB
/
step) |
Ö |
Ö |
2 Wire |
4 |
2.1 |
0.01 |
SSOP-A32 |
Yes |
| BD3861FS |
6.5
to 9.5 |
13 |
5 |
0 to 26
（2dB/
step） |
0 to -50
（2dB
/
step）
-50 to
-70
/
-∞
（4dB
/
step） |
0 to -59
/
-∞
（1dB
/
step） |
±14
(2dB
/
step) |
±12
(2dB
/
step) |
±12
(2dB
/
step) |
- |
- |
2 Wire |
8 |
2.5 |
0.02 |
SSOP-A32 |
Yes |
| BD3403FV |
6.5
to 9.5 |
16 |
5 |
0 to 26
（2dB/
step） |
0 to -30
（2dB
/
step） |
0 to -59
/
-∞
（1dB
/
step） |
±14
(2dB
/
step) |
±12
(2dB
/
step) |
±12
(2dB
/
step) |
- |
Ö |
2 Wire |
8 |
2.5 |
0.02 |
SSOP-B40 |
Yes |
Multi-function Sound Processors built-in 5-band Equalizers
| Part No. |
Supply
voltage
（V） |
Current consumption
（mA） |
Input selector |
Input gain
(dB） |
Volume
(dB） |
Rear
Volume
（dB） |
Equalizer |
Dynamic bass |
Surround |
Vocal cut |
Spectrum Analyzer |
Serial control |
Output noise
(µVrms) |
Max. output
(Vrms) |
Distortion
(%) |
Package |
RoHS |
| BH3874AKS2 |
8.0 to 9.5 |
40 |
4 |
11 |
0 to -30
（2dB
/
step） |
0 to -52
/
-∞
（16step） |
5band |
Ö |
Ö |
Ö |
Ö |
3 Wire |
35 |
2.5 |
0.01 |
SQFP-T64 |
Yes |
Plus / Minus Power Supply Sound Processors with built-in Pre Amplifier for Tape Recording and Play Back
(Built-in 2-band / 3-band Equalizers)
| Part No. |
Supply
voltage
（V） |
Current consumption
（mA） |
Input selector |
Input gain
(dB） |
Volume
(dB） |
Rear
Volume
（dB） |
Equalizer |
REC / PB Amp |
Serial control |
Output noise
(µVrms) |
Max. output
(Vrms) |
Distortion
(%) |
Package |
RoHS |
| BD3881FV |
±3.5 to
±4.75 |
±3 |
3 |
10 |
0 to -36
（2dB
/
step）
-36 to -84
（4dB
/
step）
-∞ |
- |
Bass,
Treble |
Ö |
1 Wire |
12 |
2.5 |
0.02 |
SSOP-B28 |
Yes |
| BD3882FV |
±3.5 to
±4.75 |
±4.5 |
3 |
10 |
0 to -36
（2dB
/
step）
-36 to -76
（4dB
/
step）
-∞ |
0/-2/
-4/-6/
-8/-12/
-16/-18 |
Bass,
Middle
Treble |
Ö |
2 Wire |
22 |
2.5 |
0.01 |
SSOP-B40 |
Yes |
Single Power Supply Sound Processors with built-in Pre Amplifier for Tape Recording and Play Back
(Built-in 2-band / 3-band Equalizers)
| Part No. |
Supply
voltage
（V） |
Current consumption
（mA） |
Input selector |
Input gain
(dB） |
Volume
(dB） |
Equalizer |
Dynamic bass |
Surround |
REC / PB Amp |
Vocal cut |
Spectrum Analyzer |
Serial control |
Output noise
(µVrms) |
Max. output
(Vrms) |
Distortion
(%) |
Package |
RoHS |
| BD3401KS2 |
8.0 to 9.5 |
35 |
5 |
-5/0/
3.5 |
0 to -76/-∞
（2/4/step）
|
Bass,
Middle,
Treble |
Ö |
Ö |
Ö |
Ö |
Ö |
2 Wire |
3 |
2.5 |
0.005 |
SQFP-T64 |
Yes |
| BD3402KS2 |
8.0 to 9.5 |
28 |
5 |
-5/0/
3.5 |
0 to -76/-∞
（2/4/step）
|
Bass,
Treble |
- |
- |
Ö |
- |
- |
2 Wire |
2.5 |
2.5 |
0.005 |
SQFP-T64 |
Yes |
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