Sound Processors for Home Theater Systems
The growing popularity of high-definition large-screen TVs, such as plasma, DLP, and LCD sets, makes it necessary to improve the sound quality in order to complement the high quality images. ROHM offers a lineup of sound processors with Hi-Fi audio technology and multi-function capability, ensuring compatibility with a broad range of applications.
2ch/ 6ch Electronic Volume
Part No. |
Supply
voltage
(V) |
Circuit current
(mA) |
Output noise
(µVrms) |
Max. output
(Vms) |
Distortion
(%) |
Selector |
Input gain |
Output gain |
Volume |
Number of volume |
Tone |
Bass boost |
Serial control |
Package |
RoHS |
BD3812F |
±5.0 to
±7.3 |
±2 |
1.2 |
4.2 |
0.005 |
- |
- |
0,6 to 18dB
2dB/step |
0 to
-103dB
1dB/step |
2 |
- |
- |
2wire |
SOP14 |
Yes |
BD3814FV |
±5.0 to
±7.3 |
±7 |
1 |
4.3 |
0.001 |
- |
- |
- |
0 to
-95dB
1dB/step |
6 |
BASS,
TREBLE |
- |
2wire |
SSOP-B40 |
Yes |
5.1ch Sound Processors
Part No. |
Supply
voltage
(V) |
Circuit current
(mA) |
Output noise
(µVrms) |
Max. output
(Vrms) |
Distortion
(%) |
Selector |
Input gain |
Output gain |
Volume |
Number of volume |
Tone |
Bass boost |
Serial control |
Package |
RoHS |
BD3813KS |
±5.0 to
±7.3 |
±10 |
1.5 |
4.2 |
0.004 |
- |
0,6,12dB |
- |
0 to
-95dB
1dB/step |
6 |
BASS,
TREBLE |
- |
2wire |
SQFP56 |
Yes |
BD3815KS |
±5.0 to
±7.3 |
±10 |
1.5 |
4.2 |
0.004 |
- |
0,6,18dB |
- |
0 to
-95dB
1dB/step |
6 |
BASS,
TREBLE |
- |
2wire |
SQFP56 |
Yes |
BD3811K1 |
±5.0 to
±7.3 |
±15 |
2 |
4.2 |
0.005 |
8 |
0,6dB |
0,6
to
18dB
2dB
/
step |
0 to
-103dB
1dB
/
step |
6 |
BASS,
TREBLE |
Ö |
2wire |
QFP80 |
Yes |
BD3818KS |
±5.0 to
±7.4 |
±28 |
3.8 |
4.3 |
0.002 |
5 |
0,3,6,9dB |
- |
0 to
-95dB
1dB
/
step |
6 |
BASS,
TREBLE |
(Dynamic) |
2wire |
SQFP80 |
Yes |
6.1ch/ 7.1ch Sound Processors
Part No. |
Supply
voltage
(V) |
Circuit current
(mA) |
Output noise
(µVrms) |
Max. output
(Vrms) |
Distortion
(%) |
Selector |
Input gain |
Output gain |
Volume |
Number of volume |
Tone |
Bass boost |
Serial control |
Package |
RoHS |
BD3816K1 |
±5.0 to
±7.3 |
±24 |
1.2 |
4.2 |
0.001 |
7 |
0 to 7dB
1dB/step |
0 to 17dB
1dB/step |
0 to
-95dB
1dB/step |
7 |
BASS,
TREBLE |
- |
2wire |
QFP80 |
Yes |
BD3817KS |
±5.0 to
±7.3 |
±24 |
1.2 |
4.2 |
0.001 |
10 |
0 to 7dB
1dB/step |
0 to 17dB
1dB/step |
0 to
-95dB
1dB/step |
7 |
BASS,
TREBLE |
- |
2wire |
SQFP100 |
Yes |
BD3452KS |
±6.5 to
±7.3 |
±20 |
1.4 |
4.2 |
0.0006 |
9 |
0,6,12dB |
0 to 15dB
1dB/step |
0 to
-99dB
1dB/step |
8 |
- |
- |
2wire |
SQFP100 |
Yes |
6ch/9ch Stereo Input Selectors (4.2V max. input)
Part No. |
Supply voltage
(V) |
Circuit current
(mA) |
Output noise
(µVrms) |
Max. output
(Vrms) |
Distortion (%) |
Selector |
Serial control |
Package |
RoHS |
BD3843FS |
±4.0 to ±7.3 |
±3 |
1 |
4.2 |
0.004 |
6 |
2wire |
SSOP-A24 |
Yes |
BD3841FS |
±5.0 to ±7.3 |
±3 |
1 |
4.2 |
0.004 |
9 |
2wire |
SSOP-A32 |
Yes |
|
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