myMectronic
myMectronic

A Premier B2B Part Search

ROHM BD3812FE2 Audio Volume Regulator

BD3812F is an electronic volume and gain amplifier integrated circuit designed for AV receivers, home theater systems, and mini-component systems. It features 2-channel independent volume control, low residual noise of 1.2uVrms, and supports control of up to four chips via a common bus line. The chip provides maximum output voltage of 4.2Vrms, built-in gain adjustment (0 to 18dB), and serial control for versatile operation. Suitable for audio applications demanding high dynamic range and precise volume management in compact embedded systems.

Authorized Distributors
Source:DigiKey
Part No:BD3812F-E2
Stock:53
Inv Date:06-09-2026
Price: Unit price: $4.45
Buy/RFQ:
Part No:BD3812F-E2
Stock:1268
Inv Date:06-10-2026
Price: Unit price: $4.45
Buy/RFQ:

ROHM BD3812FE2 Audio Volume Regulator Specifications:

  • Residual noise: 1.2uVrms (dynamic range: 131dB IHF-A)
  • 2ch independent volume control: 0 to -103dB, MUTE in 1dB steps
  • Maximum output voltage: 4.2Vrms (Vec=7, VEE=-7V, RL=10kΩ)
  • Built-in output gain amplifier: 0 to 18dB in 2dB/step
  • Control: 2-line serial interface (for 3.3V and 5V logic)
  • Power supply voltage: 5V to 7.3V (recommended 7V)
  • Operating temperature: -20°C to +75°C
  • Power dissipation: 450mW (at Ta=25°C)
  • Input impedance: 20kΩ to 40kΩ
  • Maximum circuit current: around 25mA at VCC=7V
  • Package: SOP14 (Embossed tape and reel, quantity 2500)

Buy the Buy ROHM BD3812FE2 Part Number Online

Purchase the ROHM BD3812FE2 audio volume and gain control IC online to ensure high dynamic range, low noise, precise volume control, and versatile application in AV receivers, home theater systems, and mini-components. This compact IC offers two independent channels, serial control, and built-in gain adjustment, providing outstanding audio quality and control flexibility. Available for quick delivery, it’s ideal for integrating reliable sound processing in various consumer electronic projects, ensuring optimal performance and user satisfaction.

Order your ROHM SeriesBD3812FE2 volume control IC today and enhance your audio systems with reliable, high-quality sound processing performance.

Frequently Asked Questions

Where can I buy ROHM BD3812FE2?

You can click on the BUY or RFQ button to purchase BD3812FE2 from an authorized ROHM distributor.

How do I troubleshoot issues or seek technical support for part BD3812FE2?

You can download the BD3812FE2 datasheet or visit the ROHM website for support.

Who is the manufacturer of BD3812FE2?

ROHM

ROHM Part List

Browse and search other ROHM parts, locate datasheets and stock

Sponsored by