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LC72722PM

Features: • Error correction capability improved by soft-decision error correction• The load on the control microprocessor can be reduced by storing decoded data in the on-chip data buffer RAM.• Two synchronization detection circuits provide continuous and stable detection of the...

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SeekIC No. : 004391904 Detail

LC72722PM: Features: • Error correction capability improved by soft-decision error correction• The load on the control microprocessor can be reduced by storing decoded data in the on-chip data buff...

LC72722PM Data Sheet

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Part Number:
LC72722PM
Supply Ability:
5000

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Product Details

Description



Features:

• Error correction capability improved by soft-decision error correction
• The load on the control microprocessor can be reduced by storing decoded data in the on-chip data buffer RAM.
• Two synchronization detection circuits provide continuous and stable detection of the synchronization timing.
• Data can be read out starting with the backwardprotection block data after a synchronization reset.
• Bit slip detection and correction
• Low spurious radiation
• Fully adjustment free
• Operating power-supply voltage: 4.5 to 5.5 V
• Operating temperature: 40 to +85°C
• Package: LC72722 : DIP24S
LC72722M : MFP24S
LC72722PM : MFP24




Pinout

Connection Diagram




Specifications

Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VDD max
 Vddd, Vdda (Vdda Vddd + 0.3 V)
0.3 to +7.0
V
Input voltage
VIN1 max
 CL,DI,CE,SYR,T1,T2,T3,T4,T5,T6,T7,SYNC
0.3 to +7.0
V
VIN2 max
 XIN
0.3 to Vddd +0.3
V
VIN3 max
 MPXIN, CIN
0.3 to Vdda +0.3
V
Output voltage
VO1 max
 DO,SYNC, RDS-ID,T3,T4,T5,T6,T7
0.3 to +7.0
V
VO2 max
 XOUT
0.3 to Vddd +0.3
V
VO3 max
 FLOUT
0.3 to Vdda +0.3
V
Output current
IO1 max
 DO, T3, T4, T5, T6, T7
6.0
mA
IO2 max
 XOUT, FLOUT
3.0
mA
IO3 max
 SYNC, RDS-ID
20.0
mA
Allowable power dissipation
Pd max
 Ta 85°C LC72722:DIP24S:
350
mW
LC72722M:MFP24S:
150
LC72722PM:MFP24:
175
Operating temperature
Topr
-40to+85
°C
Storage temperature
Tstg
-55to+125
°C





Description

The LC72722 and LC72722M, LC72722PM are singlechip system ICs that implement the signal processing required by the European Broadcasting Union RDS (Radio Data System) standard and by the US NRSC (National Radio System Committee) RDBS (Radio Broadcast Data System) standard. These ICs include band-pass filter,demodulator, synchronization, and error correction circuits as well as data buffer RAM on chip and perform effective error correction using a soft-decision error correction technique.






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