BD3401KS2

Overview

The BD3401KS2 is a two-channel audio signal processor manufactured by ROHM Semiconductor, designed for pre-amplifier applications. It operates within a supply voltage range of 8V to 9.5V and features a 2-wire serial interface. The device is housed in a 64-SQFP-T (12x12) package with surface mount installation. It supports an operating temperature range from -25°C to +75°C. The component integrates tone control capabilities including bass and treble adjustments, utilizing a resistance ladder circuit for volume and tone implementation to achieve low noise and distortion performance.

Feature Summary

• Two-channel audio signal processing with integrated bass and treble tone controls
• 2-wire serial interface for digital control
• Resistance ladder circuit implementation for volume and tone adjustment
• UL94 V-0 flame classification for mold compound

Applications

• Pre-amplifier circuits
• General electronic equipment such as AV/OA devices
• Consumer audio systems

Part Context

The BD3401KS2 belongs to the BD3401 series of audio signal processors. It is currently marked as discontinued or end-of-life status in distributor records. The component utilizes BiCOMS process technology for energy-saving design and low current consumption. It includes a specialized power supply terminal for digital circuits to maintain internal states during standby.

Replacement Considerations

The BD3401KS2 is listed as discontinued. Potential alternatives within the same family include the BD3402KS2, though pinout and feature differences must be verified against specific datasheets before substitution.