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SM9403BM 데이터시트(PDF) 1 Page - Nippon Precision Circuits Inc |
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SM9403BM 데이터시트(HTML) 1 Page - Nippon Precision Circuits Inc |
1 / 18 page SM9403BM NIPPON PRECISION CIRCUITS—1 NIPPON PRECISION CIRCUITS INC. DVDRAM Servo-amplifier LSI OVERVIEW The SM9403BM is a DVDROM and DVDRAM servo preprocessor LSI, designed for double-speed format DVDROM and DVDRAM drives. The SM9403BM is fabricated using a BiCMOS process, and incorporates an analog signal processing circuit that generates signals needed by the digital servo processor, a DPD signal processing circuit (DVDROM), and a CAPA (Complementary Allocated Pit Address) detection circuit (DVDRAM) all in a single chip. It operates from a single 5 V supply, and is available in 36-pin plastic SSOP packages. FEATURES s DPD signal processor s Tracking error signal output s Focus error signal output s Tracking error signal sample-and-hold s Focus error signal sample-and-hold s CAPA detection function s Track count pulse generator s Off-track detection s 2V and 4V reference voltage generator s Serial interface for setting internal parameters s Sleep-mode function s Single 5 V supply s 36-pin plastic SSOP APPLICATIONS s Double-speed DVDROM drives s Double-speed DVDRAM drives ORDERING INFORMATION PINOUT 36-pin SSOP (Top View) D e vice P a ck ag e SM9403BM 36-pin SSOP 1 NC 2 NC 3 FER 4 FHOLD 5 FSUB 6 ISET 7 DPDD 8 DPDC 9 DPDB 10 DPDA 11 AGND 12 MMTI 13 CAPAN 14 CAPAP 15 CAPLFC 16 TSUB 17 THOLD 18 TRE 19 VREF4 20 VREF2 21 TROFF 22 TRP 23 CAPAREA 24 CAPOUT 25 AVCC 26 CAPIN 27 CAPSEL 28 CAPSEEK 29 DVCC 30 SENB 31 SDATA 32 SCLK 33 DGND 34 DEFECT 35 DPDI 36 DPDG |
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