NPC [Nippon Precision Circuits Inc]

SEIKO NPC [Nippon Precision Circuits Inc]

CDP DAC 칩셋 제조사로 필립스, TI(구 버브라운) , NPC (SM으로 시작) 등이 있다.

마란츠 11S2 플래그쉽 SACD 플레이어의 경우, SEIKO NPC社의 DSD, PCM 양신호에 대응한 고성능 D/A컨버터 SM5866AS를 채용

http://www.npc.co.jp/en/corp/history/

	Company activities and awards	Products and Technologies
1975	Nippon Precision Circuits Inc.established 2-inch production line completed	Developed world’s first PLL for CMOS LSI for CB radio
1976		Developed world’s first quartz clock LSI for record players
1978		Developed CMOS LSI for a clock running at 1 V
1979	Increased capital to 250 million yen
1983		Developed PLLs for 200-MHz CMOS LSI by putting the molybdenum gate multilayer CMOS process into practical use
1984		Developed 121-degree linear phase FIR digital filter LSI for CD players
1987	Received the Nikkei Excellent Service Award for the digital filter IC for recording and playback
1989	6-inch production line completed Technology Magazine” Award for the high-performance 20-bit 8fs digital filter IC, the “SM5803AP”
1990		Developed 1-bit DAC (sigma DECO) for audio
1992		Developed PLLs for pagers running at 1-V and 90-MHz
1993		Developed asynchronous sample rate converter for audio
1994	Acquired ISO9001 accreditation Received the “Radio Technology Magazine” Award for the asynchronous sample rate converter for audio, the “SM5844AF”	Developed world’s first compression type shock-proof memory controller
1996	Acquired ISO14001 accreditation
1997		Developed EL driver IC
1998		Developed world’s first digital filter IC for High-resolution audio
1999	Acquired QS-9000 accreditation
2000		Developed multi-purpose high-frequency clock generator, high-speed charging control IC for Ni-MH/NiCd, and IC for high-frequency oscillator
2002		Developed high-speed target trace vision chip
2003	Crystal oscillator IC won a prize of encouragement from Japan Institute for Promoting Invention and Innovation	Developed radio controlled clock receiver IC Developed white LED driver IC, video filter/buffer IC
2004	Vision chip won a prize of Technology from The Society of Instrument and Control Engineers	Developed FSK Transceiver IC for Specified Low Power Radio Station
2005	Nippon Precision Circuits Inc.’s equity ownership shifts to Seiko Corporation.
2006	Nippon Precision Circuits Inc. changed its company name to Seiko NPC Corporation. Increased capital to 1 billion yen. Acquired ISO/TS16949 certification.
2007	Opened Taiwan Liaison Office.
2008	Announced thermopile infrared-sensor chip with built-in amplifier on ISSCC 2008.
2009		Developed high-precision crystal oscillator IC with frequency adjustment function built-in
2011		High-precision optical encoder head SMD-01 moved into mass production.
2012		Developed optical sensor IC of ultra-miniature package Developed voltage controlled crystal oscillator IC of low phase noise
2014		Developed magnetic sensor module