OVERVIEW

The SM5852FS is a digital signal processor IC that performs DDBB (digital dynamic bass boost) processing for use in digital audio reproduction equipment. It is designed for use with a 44.1 kHz sampling frequency.

FEATURES

■ 2-channel processing

■ Improved DDBB mode channel separation

■ 6 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