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LC72131K 数据手册 ( 数据表 )

零件编号产品描述 (功能)生产厂家
LC72131K CMOS IC PLL Frequency Synthesizer SANYO
SANYO -> Panasonic SANYO
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Overview
The LC72131K and LC72131KMA are PLL frequency synthesizers for use in tuners in radio/cassette players.
They allow high-performance AM/FM tuners to be implemented easily.

Features
• High speed programmable dividers
   • FMIN: 10 to 160MHz …………………….. pulse swallower (built-in divide-by-two prescaler)
   • AMIN: 2 to 40MHz ………………………. pulse swallower
•             0.5 to 10MHz …………………….. direct division
• IF counter
   • IFIN: 0.4 to 12MHz ………………………. AM/FM IF counter
• Reference frequencies
   • Twelve selectable frequencies (4.5 or 7.2MHz crystal)
   • 100, 50, 25, 15, 12.5, 6.25, 3.125, 10, 9, 5, 3, 1kHz
• Phase comparator
   • Dead zone control
   • Unlock detection circuit
   • Deadlock clear circuit
   • Built-in MOS transistor for forming an active low-pass filter
• I/O ports
   • Dedicated output ports: 4  Input or output ports: 2  Support clock time base output
• Serial data I/O
   • Support CCB format communication with the system controller.
• Operating ranges
   • Supply voltage ........................4.5 to 5.5V  Operating temperature ............ -40 to +85C
• Packages
   • DIP22S(300mil) / MFP20J(300mil)

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