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72722PM 반도체 회로 부품 판매점

Single-Chip RDS Signal-Processing System IC



Sanyo Semicon Device 로고
Sanyo Semicon Device
72722PM 데이터시트, 핀배열, 회로
www.DataSheet.co.kr
Ordering number : ENN6123A
CMOS IC
LC72722, 72722M, 72722PM
Single-Chip RDS
Signal-Processing System LSI
Overview
The LC72722 and LC72722M, LC72722PM are single-
chip 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.
Functions
• Band-pass filter: Switched capacitor filter (SCF)
• Demodulator: RDS data clock regeneration and
demodulated data reliability information
• Synchronization: Block synchronization detection (with
variable backward and forward protection conditions)
• Error correction: Soft-decision/hard-decision error
correction
• Buffer RAM: Adequate for 24 blocks of data (about 500
ms) and flag memory
• Data I/O: CCB interface (power on reset)
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 backward-
protection 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
Package Dimensions
unit: mm
3067A-DIP24S
[LC72722]
21.0
24 13
1
0.9
12
(0.71) 1.78 0.48
0.95
SANYO: DIP24S
• 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.
Any and all SANYO products described or contained herein do not have specifications that can handle
applications that require extremely high levels of reliability, such as life-support systems, aircraft’s
control systems, or other applications whose failure can be reasonably expected to result in serious
physical and/or material damage. Consult with your SANYO representative nearest you before using
any SANYO products described or contained herein in such applications.
SANYO assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other
parameters) listed in products specifications of any and all SANYO products described or contained
herein.
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
51202AS (OT)/83199TH (OT) No. 6123-1/15
Datasheet pdf - http://www.DataSheet4U.net/


72722PM 데이터시트, 핀배열, 회로
www.DataSheet.co.kr
LC72722, 72722M, 72722PM
unit: mm
3112A-MFP24S
24
[LC72722M]
13
unit: mm
3045C-MFP24
24
[LC72722PM]
15.2
13
1 12.5 12 0.15
1
(0.62)
1.27
0.35 12
0.35 1.0 (0.75)
SANYO: MFP24S
Pin Assignment
Block Diagram
VREF 1
MPXIN 2
24 SYR
23 CE
Vdda 3
22 DI
Vssa 4
21 CL
FLOUT 5
20 DO
CIN 6
T1 7
T2 8
LC72722
LC72722M
LC72722PM
19 RDS-ID
18 SYNC
17 T7(CORREC/ARI-ID/TA/BEO)
T3(RDCL) 9
16 T6(ERROR/57K/TP/BE1)
T4(RDDA) 10
15 Vssd
T5(RSFT) 11
14 Vddd
XOUT 12
13 XIN
Top view
A12363
+5V
Vdda
Vssa
MPXIN
VREF
REFERENCE
VOLTAGE
ANTIALIASING
FILTER
57 kHz
BPF
(SCF)
FLOUT
CIN
+
VREF
SMOOTHING
FILTER
PLL
(57 kHz)
CLOCK
RECOVERY
(1187.5 Hz)
DATA
DECODER
DO
CL
DI
CE
T1
T2
T3 to T7
CCB
RAM
(24 BLOCK DATA)
ERROR CORRECTION
(SOFT DECISION)
SYNC/EC CONTROLLER
TEST
MEMORY CONTROL
CLK(4.332 MHz)
OSC/DIVIDER
XIN XOUT
SYNC
SYNC
DETECT-1 DETECT-2
0.15
SANYO: MFP24
+5V
Vddd
Vssd
RDS-ID
SYNC
SYR
A12364
No. 5602-2/15
Datasheet pdf - http://www.DataSheet4U.net/




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72722PM

Single-Chip RDS Signal-Processing System IC - Sanyo Semicon Device