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