SM5852CS

SM5852CS NIPPON PRECISION CIRCUITS INC. Dynamic Range Compression LSI OVERVIEW The SM5852CS is a digital signal processor IC that performs dynamic range compression 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 SM5852CS FEATURES s s s s s s s s s s s s 2-channel processing 6 input-level dependent dynamic gain characteristics Dynamic range compression bypass mode 2 attack time settings Soft muting function 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 Device SM5852CS 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 0.17±0.05 10.16±0.3 10.5 MAX 0.635±0.15 1.27±0.15 0.4±0.15 NIPPON PRECISION CIRCUITS—1 SM5852CS 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 SM5852CS 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...