BD3809FS-E2

Audio Special Purpose Overview

The BD3809FS-E2 is a stereo audio signal processor manufactured by ROHM Semiconductor, designed for high-performance sound processing in consumer electronics. It operates within a supply voltage range of 4.5 V to 9.5 V and features a low quiescent current of 8 mA. The device utilizes a 2-wire serial control interface and includes built-in tone controls (Bass/Treble) and volume control. Key electrical parameters include a typical output voltage of 2.1 V and a THD+N of 0.01%. It is housed in an SSOP-A24 package.

Audio Special Purpose Feature Summary

• Built-in 2-band equalizer (Bass, Treble) with filter circuits requiring no external components
• Volume control with independent or cascade selection from input selector
• 2-wire serial interface for control
• Low quiescent current: Typ. 8 mA
• Supply Voltage Range: 4.5 V to 9.5 V
• Output Noise: Typ. 40 µVrms (Gv=24dB)
• Package: SSOP-A24 (10.0 x 7.8 mm)

Audio Special Purpose Applications

• Consumer audio equipment
• Home theater systems
• Multi-source audio players
• Standard home audio receivers

Audio Special Purpose Procurement Notes

This component is marked as 'Final Sale' (End of Life). Availability is limited to existing stock; no new production is planned. Verify RoHS compliance status and check lifecycle stage carefully before ordering. Ensure packaging specifications match system requirements.

Audio Special Purpose Selection Notes

Evaluate supply voltage compatibility with existing system rails, noting the 4.5V to 9.5V operating range. Assess channel count requirements against available serial bus control capabilities. Consider thermal performance within the -25°C to +75°C operating temperature range. Verify interface compatibility with host microcontrollers using the 2-wire serial protocol.