BD3872FS-E2

Audio Special Purpose Overview

The BD3872FS-E2 is a stereo audio sound processor manufactured by ROHM Semiconductor, designed for home audio applications. It operates on a single power supply ranging from 4.5V to 9.5V with a typical quiescent current of 8mA. The device integrates a two-band equalizer (Bass/Treble) and volume control, featuring a volume range of 0 to -87dB with 1dB steps. It utilizes a 2-wire serial interface for configuration and is housed in a 32-pin SSOP-A package. Key performance metrics include a THD+N of 0.01%.

Audio Special Purpose Feature Summary

• Integrated 2-band equalizer (Bass/Treble)
• Stereo input with independent volume control per channel
• Low current consumption of 8mA
• Supports surround function construction

Audio Special Purpose Applications

• Home audio equipment

Audio Special Purpose Procurement Notes

The BD3872FS-E2 is designated as an End-of-Life (EOL) product. ROHM Semiconductor has issued discontinuation notifications indicating that production will cease. Availability is restricted, and sourcing should be verified through official channels or authorized distributors before integration into new designs.

Audio Special Purpose Selection Notes

Select the BD3872FS-E2 for designs requiring integrated tone control and volume management in a compact form factor. Ensure the design accommodates the 4.5V to 9.5V supply range and the 32-pin SSOP footprint. Verify compatibility with the 2-wire serial interface protocol for system integration.