BD3812F is an electronic volume control with volume, gain amplifier functions necessary for applications in AV receivers, home theatre systems, min-component systems and so forth.
The BD3812F is an electronic volume IC that integrates volume and gain‑amplifier functions for AV receivers, home‑theater and mini‑component systems. It supports serial control of up to four chips on a common bus line and offers independent 2‑channel volume control with mute capability.
The document details absolute maximum ratings, operating conditions, electrical characteristics, timing charts, control data formats, SEL‑terminal settings, application circuits, thermal derating, and ordering information, helping designers implement the part safely and efficiently.
| Residual noise | 1.2 µVrms |
|---|---|
| Dynamic range | 131 dB |
| Volume range (2‑ch) | 0 to -103 dB |
| Maximum output voltage | 4.2 Vrms |
| Supply voltage (VCC) | 5 V to 7 V (typ 7 V) |
| Supply voltage (VEE) | -5 V to -7 V |
| Power dissipation | 450 mW |
| Operating temperature range | -20 °C to +75 °C |
| Storage temperature range | -55 °C to +125 °C |
| Maximum chips on bus | 4 |
Up to four chips can be controlled simultaneously on a common bus line.
VEE and VCC should be powered on simultaneously or VEE first, then VCC.
The residual noise is specified as 1.2 µVrms.