OVERVIEW

The SM5852DS is a digital signal processor IC that performs XBS (extra bass system), LIVE (pseudo-sound field) and ASC (train position) processing for use in digital audio reproduction equipment. It is designed for use with a 44.1 kHz sampling frequency.

FEATURES

■ 2-channel processing

■ XBS/LIVE functions

■ XBS/LIVE processing bypass mode

■ ASC function ON/OFF switching

■ Input-level dependent dynamic gain characteristics

■ Serial input/output interface 2s complement, MSB first, 16-bit

■ 384fs system clock

■ 23 × 23-bit multiplier/30-bit high-precision accumulator

■ TTL-compatible input/output

■ 3.2 to 5.5 V operating voltage range

■ 16-pin SOP

■ Molybdenum-gate CMOS