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LC72707 fiches techniques PDF

Sanyo Semicon Device - FM Multiplex Receiver IC Supporting All Worldwide Standards

Numéro de référence LC72707
Description FM Multiplex Receiver IC Supporting All Worldwide Standards
Fabricant Sanyo Semicon Device 
Logo Sanyo Semicon Device 





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LC72707 fiche technique
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’, 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.
Applications
• Receivers for DARC format mobile receiver FM
multiplex broadcasts
• FM multiplex receiver for the worldwide DRIS system
of Digital DJ Incorporated.
Functions
• MSK delay detection circuit based on a 1T delay
• Error correction function based on a 2T delay (in the
MSK detector stage)
• Digital PLL based clock regeneration circuit
• Shift-register type 1T and 2T delay circuits
• Block and frame synchronization detection circuit
• Serial control data transfer based support for the A, B,
and C FM multiplex frame structures
• Function for setting the number of allowable BIC errors,
the number of synchronization protection.
• Error correction using (272, 190) codes
• Layer 4 CRC code checking circuit
• On-chip frame memory and memory control circuit for
vertical correction
• 7.2-MHz crystal oscillator circuit
• Conforms to the DRIS format of Digital DJ Incorporated
Package Dimensions
unit: mm
3148-QFP44MA
[LC72706E]
SANYO: QFP44MA
• CCB is a trademark of SANYO ELECTRIC CO., LTD.
• CCB is SANYO’s original bus format and all the bus
addresses are controlled by SANYO.
• DRIS is an abbreviation of Digital DJ Radio
Information Services.
• 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 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

PagesPages 15
Télécharger [ LC72707 ]


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