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LC72131K

Part Number	LC72131K
Manufacturer	ON Semiconductor
Description	PLL Frequency Synthesizer
Published	Jan 2, 2017
Detailed Description	Ordering number : ENA0788A LC72131K LC72131KMA CMOS IC PLL Frequency Synthesizer Overview The LC72131K and LC72131KMA ar...
Datasheet	LC72131K PDF File

Overview

Ordering number : ENA0788A LC72131K LC72131KMA CMOS IC PLL Frequency Synthesizer 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 • Su...

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