The BD3816K1 and BD3817KS are 6.1ch sound processors. Functions required for applications, such as AV receivers and home theater systems, are integrated into a single chip. A wide dynamic range of 132dB is achieved by utilizing the BiCMOS process.
The ROHM BD3816K1 and BD3817KS are 6.1‑channel sound processors designed for AV receivers, home‑theater and mini‑audio systems. The note describes their integrated functions, dynamic range of 132 dB, low‑current Bi‑CMOS design and various gain and mixing features.
Key sections include a description of features, absolute maximum ratings, electrical characteristics, timing charts, control data formats, block diagrams, ordering information and legal notices. The document provides detailed parameter tables for both device variants.
| Dynamic range | 132 dB |
|---|---|
| Maximum output voltage | 4.2 Vrms |
| Input gain range | 0 ~ 7 dB (1 dB step) |
| Output gain range | 0 ~ 17 dB (1 dB step) |
| Total Harmonic Distortion (THD) | 0.001 % (400 Hz‑30 kHz) |
| Package (BD3816K1) | QFP80 |
| Operating temperature range | -20 °C to +75 °C |
The devices achieve a dynamic range of 132 dB.
The maximum output voltage is 4.2 Vrms when powered at VCC = 7 V and VEE = ‑7 V.
The devices operate from –20 °C up to +75 °C.
BD3816K1 is supplied in a QFP80 package, while BD3817KS uses an SQFP100 package.