BD3811K1 and BD3818KS are 5.1ch sound processors, with built-in Mode Selector/Input Selector. Functions, including 6-ch Volume, Gain Amp, Bass, Treble, Mixing (BD3818KS), Dynamic Bass Boost (BD3818KS) and Bass Boost (BD3811K1) are integrated into a single chip.
The ROHM BD3811K1 and BD3818KS are 5.1‑channel sound processors with built‑in mode selector, input selector, volume, gain, bass, treble, mixing and dynamic bass boost functions. They are intended for AV receivers, home‑theater and mini‑audio systems.
The document provides absolute maximum ratings, operating ranges, detailed electrical characteristics, timing diagrams, control data formats and ordering information, including package type and tape‑and‑reel specifications.
| Maximum output voltage (BD3811K1) | 4.2 Vrms |
|---|---|
| Maximum output voltage (BD3818KS) | 4.3 Vrms |
| Operating supply voltage VCC range | 5 V to 7.3 V |
| Input selector channels (BD3811K1) | 8 inputs |
| Package type | QFP80 |
The BD3811K1 can deliver up to 4.2 Vrms output voltage.
The BD3811K1 provides eight selectable input channels.
When powering up, VEE and VCC should be applied simultaneously or VEE first, then VCC.
It is supplied in a QFP80 package.