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LC72131M

Sanyo Semicon Device
Part Number LC72131M
Manufacturer Sanyo Semicon Device
Description AM/FM PLL Frequency Synthesizer
Published Mar 22, 2005
Detailed Description Ordering number : EN4921B CMOS LSI LC72131, 72131M AM/FM PLL Frequency Synthesizer Overview The LC72131 and LC72131M ...
Datasheet PDF File LC72131M PDF File

LC72131M
LC72131M


Overview
Ordering number : EN4921B CMOS LSI LC72131, 72131M AM/FM PLL Frequency Synthesizer Overview The LC72131 and LC72131M are PLL frequency synthesizers for use in tuners in radio/cassette players.
They allow high-performance AM/FM tuners to be implemented easily.
Package Dimensions unit: mm 3059-DIP22S [LC72131] Applications PLL frequency synthesizer Functions • High speed programmable dividers — FMIN: 10 to 160 MHz pulse swallower (built-in divide-by-two prescaler) — AMIN: 2 to 40 MHz .
.
.
.
pulse swallower 0.
5 to 10 MHz .
direct division • IF counter — IFIN: 0.
4 to 12 MHz .
AM/FM IF counter • Reference frequencies — Twelve selectable frequencies (4.
5 or 7.
2 MHz crystal) 1, 3, 5, 9, 10, 3.
125, 6.
25, 12.
5, 15, 25, 50 and 100 kHz • 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 — ...



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