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 VolumePart 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 ProcessorsPart 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 | ? | 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 ProcessorsPart 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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