LC72722PM Datasheet PDF - ON Semiconductor
| Part Number | LC72722PM | |
| Description | Single-Chip RDS Signal-Processing System IC | |
| Manufacturers | ON Semiconductor | |
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Ordering number : EN6123B
LC72722PM
CMOS IC
Single-Chip RDS
Signal-Processing System IC
http://onsemi.com
Overview
The LC72722PM is a single-chip system IC 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)
RBDS (Radio Broadcast Data System) standard. This IC 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 500ms) 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.
• Data can be read out starting with the backward-protection block data after a synchronization reset.
• Fully adjustment free
Specifications
• Operating power-supply voltage :
• Operating temperature :
• Package :
4.5 to 5.5V
-40 to +85°C
MFP24(375mil)
• CCB is ON Semiconductor® ’s original format. All addresses are managed
by ON Semiconductor® for this format.
• CCB is a registered trademark of Semiconductor Components Industries, LLC.
Semiconductor Components Industries, LLC, 2013
June, 2013
60612HK B8-9103,8341/51202AS(OT)/83199TH(OT) No. 6123-1/18
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LC72722PM
Block Diagram
+5.0V
Vdda
Vssa
MPXIN
VREF
FLOUT
CIN
REFERENCE
VOLTAGE
ANTIALIASING
FILTER
57kHz
BPF
(SCF)
-
+
VREF
SMOOTHING
FILTER
PLL
(57kHz)
CLOCK
RECOVERY
(1187.5Hz)
DATA
DECODER
DO
CL
DI
CE
T1
T2
T3 to T7
CCB
TEST
RAM
(24 BLOCK DATA)
MEMORY
CONTROL
ERROR
CORRECTION
(SOFT DECISION)
SYNC/EC
CONTROLLER
CLK (4.332MHz)
OSC/DIVIDER
SYNC
SYNC
DETECT-1 DETECT-2
XIN XOUT
+5.0V
Vddd
Vssd
RDS-ID
SYNC
SYR
No. 6123-5/18
Preview 5 Page |
Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for LC72722PM electronic component. |
| Information | Total 18 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ LC72722PM.PDF Datasheet ] | |
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Featured Datasheets
| Part Number | Description | MFRS |
| LC72722PM | The function is Single-Chip RDS Signal-Processing System LSI. Sanyo Semicon Device |  |
| LC72722PM | The function is Single-Chip RDS Signal-Processing System IC. ON Semiconductor | |
| LC72722PMS | The function is Single-Chip RDS Signal-Processing System IC. ON Semiconductor | |
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