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LC72131 Datasheet, PDF (1/23 Pages) Sanyo Semicon Device – AM/FM PLL Frequency Synthesizer | |||
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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.
Applications
Package Dimensions
unit: mm
3059-DIP22S
[LC72131]
PLL frequency synthesizer
Functions
⢠High speed programmable dividers
â FMIN: 10 to 160 MHz ..........pulse swallower
(built-in divide-by-two prescaler)
â AMIN: 2 to 40 MHz ..............pulse swallower
0.5 to 10 MHz ...........direct division
⢠IF counter
â IFIN: 0.4 to 12 MHz ...........AM/FM IF counter
⢠Reference frequencies
â 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
â Dead zone control
â Unlock detection circuit
â Deadlock clear circuit
⢠Built-in MOS transistor for forming an active low-pass
filter
⢠I/O ports
â Dedicated output ports: 4
â Input or output ports: 2
â Support clock time base output
⢠Serial data I/O
â Support CCB format communication with the
system controller.
⢠Operating ranges
â Supply voltage........................4.5 to 5.5 V
â Operating temperature............â40 to +85°C
⢠Packages
â DIP22S/MFP20
unit: mm
3036B-MFP20
[LC72131M]
SANYO: DIP22S
SANYO: MFP20
⢠CCB is a trademark of SANYO ELECTRIC CO., LTD.
⢠CCB is SANYOâs original bus format and all the bus
addresses are controlled by SANYO.
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
62096HA (OT)/O3195HA (OT)/92294TH (OT) No. 4921-1/23
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