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LC7218JM データシート(PDF) 1 Page - Sanyo Semicon Device |
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LC7218JM データシート(HTML) 1 Page - Sanyo Semicon Device |
1 / 16 page CMOS LSI Ordering number : EN4758B 63096HA (OT)/42895TH (OT) No. 4758-1/16 SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN PLL Frequency Synthesizer for Electronic Tuning in AV Systems LC7218, 7218M, 7218JM Overview The LC7218, LC7218M and LC7218JM are PLL frequency synthesizers for electronic tuning. The LC7218, LC7218M and LC7218JM are optimal for AM/FM tuner circuits that require high mounting densities. Features • These products feature a rich set of built-in functions for AV applications, including reference frequency and unlock detection circuits, I/O ports and a general- purpose counter. Functions • Programmable dividers — FMIN pin: 130 MHz at 70 mVrms and 160 MHz at 100 mVrms input (built-in prescaler) — AMIN pin: Pulse swallower and direct division techniques • Reference frequencies: Ten selectable frequencies: 1, 5, 9, 10, 3.125, 6.25, 12.5 25, 50 and 100 kHz • Output ports: 7 pins Complementary outputs: 2 pins N-channel open drain outputs: 5 pins • Input ports: 2 pins • General-purpose counter: For measuring IF and other signals (Also used for station detection when functioning as an IF counter.) — HCTR pin: Frequency measurement (for inputs up to 70 MHz) — LCTR pin: Frequency and period measurement • PLL unlock detection circuit Detects phase differences of 0.55, 1.11, 2.22 and 3.33 µs. • Controller clock output: 400 kHz • Clock time base output: 8 Hz • Serial data I/O — Supports CCB format communication with the system controller. • Package: LC7218: DIP24S LC7218M: MFP24 LC7218JM: MFP24S Package Dimensions unit: mm 3067-DIP24S SANYO: DIP24S [LC7218] • 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. |
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