SM5852FS

SM5852FS NIPPON PRECISION CIRCUITS INC. Digital Dynamic Bass Boost LSI 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. PINOUT LRCI BCKI DI CLK VSS RSTN TESTN MUTEN 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 DB/DS MOD2 MOD1 OPT VDD LRCO BCKO DOUT SM5852FS FEATURES s s s s s s s s s s 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 PACKAGE DIMENSIONS 16-pin SOP (Unit: mm) ORDERING INFOMATION 0.17±0.05 Device SM5852FS Package 16pin SOP 6.8±0.3 0 to 15 2.0±0.2 0.1±0.1 5.5±0.3 8.0±0.3 8.0±0.3 10.16±0.3 10.5 MAX 0.635±0.15 1.27±0.15 0.4±0.15 NIPPON PRECISION CIRCUITS—1 SM5852FS BLOCK DIAGRAM LRCI BCKI DI Input data Interface DSP Block System Clock VDD VSS CLK RSTN TESTN Sequence Control Output data Interface LRCO BCKO DOUT MUTEN Mute Control DB/DS OPT MOD1 MOD2 Mode Control NIPPON PRECISION CIRCUITS—2 SM5852FS PIN DESCRIPTION Number 1 2 3 4 5 6 7 8 9 10 11 12 13 Name LRCI BCKI DI CLK VSS RSTN TESTN MUTEN DOUT BCKO LRCO VDD OPT I/O1 Ip Ip Ip I – Ip Ip Ip O O O – Ip Input data sample ...