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LC72722M Datasheet(PDF) 1 Page - Sanyo Semicon Device |
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LC72722M Datasheet(HTML) 1 Page - Sanyo Semicon Device |
1 / 15 page Ordering number : ENN6123A 51202AS (OT)/83199TH (OT) No. 6123-1/15 Overview The LC72722 and LC72722M, LC72722PM are single- chip system ICs that implement the signal processing required by the European Broadcasting Union RDS (Radio Data System) standard and by the US NRSC (National Radio System Committee) RDBS (Radio Broadcast Data System) standard. These ICs include band-pass filter, demodulator, synchronization, and error correction circuits as well as data buffer RAM on chip and perform effective error correction using a soft-decision error correction technique. Functions • Band-pass filter: Switched capacitor filter (SCF) • Demodulator: RDS data clock regeneration and demodulated data reliability information • Synchronization: Block synchronization detection (with variable backward and forward protection conditions) • Error correction: Soft-decision/hard-decision error correction • Buffer RAM: Adequate for 24 blocks of data (about 500 ms) and flag memory • Data I/O: CCB interface (power on reset) Features • Error correction capability improved by soft-decision error correction • The load on the control microprocessor can be reduced by storing decoded data in the on-chip data buffer RAM. • Two synchronization detection circuits provide continuous and stable detection of the synchronization timing. • Data can be read out starting with the backward- protection block data after a synchronization reset. • Bit slip detection and correction • Low spurious radiation • Fully adjustment free • Operating power-supply voltage: 4.5 to 5.5 V • Operating temperature: –40 to +85°C • Package: LC72722 : DIP24S LC72722M : MFP24S LC72722PM : MFP24 Package Dimensions unit: mm 3067A-DIP24S LC72722, 72722M, 72722PM SANYO Electric Co.,Ltd. Semiconductor Company TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN Single-Chip RDS Signal-Processing System LSI CMOS IC Any and all SANYO products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft’s control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. Consult with your SANYO representative nearest you before using any SANYO products described or contained herein in such applications. SANYO assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all SANYO products described or contained herein. • CCB is a trademark of SANYO ELECTRIC CO., LTD. • CCB is SANYO’s original bus format and all the bus addresses are controlled by SANYO. 0.48 21.0 (0.71) 1.78 1 12 24 13 0.95 0.9 SANYO: DIP24S [LC72722] |
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Similar Description - LC72722M |
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