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LC72707E Datasheet

  • LC72707E

  • FM Multiplex Receiver IC Supporting All Worldwide Standards

  • 160.89KB

  • 15頁

  • SANYO

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Ordering number : EN5970
CMOS IC
LC72707E
FM Multiplex Receiver IC Supporting
All Worldwide Standards
Overview
The LC72707E is a data demodulation IC for receiving
FM multiplex broadcasts for mobile receivers in the
DARC format. In conjunction with a bandpass filter IC
(either the LV3400M or the LV3403M), the LC72707E
can form a compact yet high-functionality FM multiplex
reception system. This IC provides built-in DRIS system
data processing decoder for Digital DJ CO.,LTD. Since
supporting all the FM multiplex frame structures (methods
A, A鈥? B, and C) in the ITU-R recommendations, this IC is
optimal for use in radios for FM multiplex system.
Note that a contract with Digital Incorporated is required
to evaluate this IC and to produce end products that
support DRIS.
鈥?7.2-MHz crystal oscillator circuit
鈥?Conforms to the DRIS format of Digital DJ Incorporated
Package Dimensions
unit: mm
3148-QFP44MA
[LC72706E]
Applications
鈥?Receivers for DARC format mobile receiver FM
multiplex broadcasts
鈥?FM multiplex receiver for the worldwide DRIS system
of Digital DJ Incorporated.
Functions
鈥?MSK delay detection circuit based on a 1T delay
鈥?Error correction function based on a 2T delay (in the
MSK detector stage)
鈥?Digital PLL based clock regeneration circuit
鈥?Shift-register type 1T and 2T delay circuits
鈥?Block and frame synchronization detection circuit
鈥?Serial control data transfer based support for the A, B,
and C FM multiplex frame structures
鈥?Function for setting the number of allowable BIC errors,
the number of synchronization protection.
鈥?Error correction using (272, 190) codes
鈥?Layer 4 CRC code checking circuit
鈥?On-chip frame memory and memory control circuit for
vertical correction
鈥?CCB is a trademark of SANYO ELECTRIC CO., LTD.
鈥?CCB is SANYO鈥檚 original bus format and all the bus
addresses are controlled by SANYO.
鈥?DRIS is an abbreviation of Digital DJ Radio
Information Services.
鈥?DRIS is an FM multiplex broadcasts mobil receiving
system which supports not only one-to-multiplex
transmission but one-to-one information trans
mission.
SANYO: QFP44MA
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
51598RM (OT) No. 5970-1/15

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