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PDF LC72725KVS Data sheet ( Hoja de datos )
| Número de pieza | LC72725KVS | |
| Descripción | RDS(RBDS) Demodulation IC | |
| Fabricantes | ON Semiconductor | |
| Logotipo |  |
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Ordering number : ENA1744
LC72725KVS
CMOS IC
RDS(RBDS) Demodulation IC
http://onsemi.com
Overview
The LC72725KVS is 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) RBDS (Radio Broadcast
Data System) standard. These ICs include band-pass filter, demodulator,and data buffer on chip. RDS data can be
read out from this on-chip memory by external clock input in slave operation mode.
Functions
• Bandpass filter
• RDS Demodulation
• Buffer
• Data output
• RDS-ID
• Standby control
• Fully adjustment free
• Low Voltage
: Switched capacitor filter (SCF)
: 57KHz carrier and RDS data clock regeneration, biphase decode, differential decode.
: 128 bit (about 100ms) can be restored in the on-chip data buffer.
: Master or slave output mode can be selected.
: Detect RDS signal which can be reset by RST signal input.
: Crystal oscillator can be stopped.
Semiconductor Components Industries, LLC, 2013
June, 2013
60910HKIM 20100427-S00009 No.A1744-1/9
1 page  
LC72725KVS
Pin Descriptions
Pin No.
3
Pin Name
VREF
I/O
Output
Function
Reference voltage output (VDDa/2)
4
MPXIN
Input
Baseband (multiplexed) signal input
7
FLOUT
Output Subcarrier output (filter output)
8
CIN
Input
Subcarrier input (comparator input)
5
VDDa
- Analog system power supply (+3V)
6
VSSa
- Analog system ground
14
XOUT
Output Crystal oscillator output (4.332MHz)
13
XIN
Input
Crystal oscillator input
(external reference signal input)
9 TEST
10 MODE
15 RST
Test input
Read out mode (0:master, 1:slave)
RDS-ID/RAM reset (active high)
2
RDDA
Output RDS data output
16
RDCL
I/O RDS clock output (master mode) /
RDS read out clock input (slave mode)
1
RDS-ID/
Output RDS reliability data output
READY
(High:data with high RDS reliability
Low: data with low RDS reliability)
READY output (active high)
12 VDDd - Digital system power supply (+3V)
11 VSSd - Digital system ground
Pin Circuit
VDDa
VSSa
VDDa
VSSa
VDDa
VSSa
XIN
XOUT
VREF
-
-
VDDd
VSSd
S
VSSd
VDDd
VSSd
VDDd
VSSd
S
VSSd
-
-
No.A1744-5/9
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet LC72725KVS.PDF ] | |
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