LC72707E Datasheet PDF - Sanyo Semicon Device
| Part Number | LC72707E | |
| Description | FM Multiplex Receiver IC Supporting All Worldwide Standards | |
| Manufacturers | Sanyo Semicon Device | |
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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’, 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
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LC72707E
Data I/O Techniques
• CCB Technique
Sanyo audio ICs input and output data using the Sanyo CCB (computer control bus) standard, which is a serial bus
format. This IC uses an 8-bit address CCB and uses the following addresses.
Address
I/O mode
B0 B1 B2 B3 A0 A1 A2 A3
Function
Input
0 1 0 1 1 1 1 1 16-bit control data input
Output
1 1 0 1 1 1 1 1 Data output for the input clock (CL)
Input
0 0 1 1 1 1 1 1 Data input (in 8-bit units) for the layer 4 CRC check circuit
I/O mode determined
Data Input Timing
Data Output Timing
Internal data latching
Note:The DO pin is normally left open.
Since the DO pin is an n-channel open drain pin, the time required for the data to change from the low level to the high level depends on the value of
the pull-up resistor.
No. 5970-5/15
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for LC72707E electronic component. |
| Information | Total 15 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ LC72707E.PDF Datasheet ] | |
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Featured Datasheets
| Part Number | Description | MFRS |
| LC72707 | The function is FM Multiplex Receiver IC Supporting All Worldwide Standards. Sanyo Semicon Device | |
| LC72707E | The function is FM Multiplex Receiver IC Supporting All Worldwide Standards. Sanyo Semicon Device | |
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