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LC72707E

Features: • 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 detectio...

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SeekIC No. : 004391886 Detail

LC72707E: Features: • 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...

LC72707E Data Sheet

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Part Number:
LC72707E
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

• 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


Application

• Receivers for DARC format mobile receiver FM multiplex broadcasts
• FM multiplex receiver for the worldwide DRIS system of Digital DJ Incorporated.


Pinout

Connection Diagram


Specifications

Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VDD max
  
0.3 to +7.0
V
Input voltage
VIN 1
CE, CL, DI, RST, STNBY
0.3 to +7.0
V
VIN 2
Pins other than VIN1
0.3 to VDD + 0.3
V
Output voltage
VOUT 1
 DO
0.3 to +7.0
V
VOUT 2
Pins other than VOUT1
0.3 to VDD + 0.3
V
Output current
IOUT
BLOCK, FLOCK, DO
0 to 4.0
mA
Allowable power dissipation
Pd max
 Ta 85°C
400
mW
Operating temperature
Topr
  
-40to+85
°C
Storage temperature
Tstg
  
-55to+125
°C



Description

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.




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