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  ON Semiconductor Electronic Components Datasheet  

LC72725KV Datasheet

RDS(RBDS) Demodulation IC

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LC72725KV pdf
Ordering number : ENA0503A
LC72725KV
CMOS IC
RDS(RBDS) Demodulation IC
http://onsemi.com
Overview
The LC72725KV is 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, 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: Switched capacitor filter (SCF)
RDS Demodulation: 57KHz carrier and RDS data clock regeneration, biphase decode, differential decode.
Buffer: 128 bit (about 100ms) can be restored in the on-chip data buffer RAM.
Data output: Master or slave output mode can be selected.
RDS-ID: Detect RDS signal which can be reset by RST signal input.
Standby control: Crystal oscillator can be stopped.
Fully adjustment free
Low Voltage
Specifications
Absolute Maximum Ratings at Ta = 25°C, VSSd = VSSa = 0V
Parameter
Maximum supply voltage
Maximum input voltage
Maximum output voltage
Maximum output current
* VDDaVDDd+0.3V
Symbol
VDD max
VIN1
max
VIN2
max
VO1 max
VO2 max
VO3 max
IO1 max
IO2 max
Pin Name
VDDd, VDDa *
TEST, MODE, XIN, RDCL, RST
MPXIN, CIN
RDS-ID(READY)
XOUT, RDDA, RDCL
FLOUT
XOUT, FLOUT, RDDA, RDCL
RDS-ID(READY)
Conditions
VDDaVDDd+0.3V
Ratings
-0.3 to +6.5
-0.3 to VDDd+0.3
-0.3 to VDDa+0.3
-0.3 to +6.5
-0.3 to VDDd+0.3
-0.3 to VDDa+0.3
+2.0
+8.0
Unit
V
V
V
V
V
V
mA
mA
Continued on next page.
Semiconductor Components Industries, LLC, 2013
June, 2013
60612HK 20060913-S00003/83006HKIM 20060822-S00002,20060823-S00002 No.A0503-1/9


  ON Semiconductor Electronic Components Datasheet  

LC72725KV Datasheet

RDS(RBDS) Demodulation IC

No Preview Available !

LC72725KV pdf
Continued from preceding page.
Parameter
Symbol
Allowable power dissipation Pd max
Operating temperature
Topr1
Topr2
Storage temperature
Tstg
LC72725KV
Pin Name
Conditions
Ta85°C
VDD = 2.7V to 5.5V
VDD = 3.0V to 5.5V
Ratings
100
-20 to +70
-40 to +85
-40 to +125
Unit
mW
°C
°C
°C
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating
Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability.
Allowable Operating Ranges at Ta = -20 to +70°C, VSSd = VSSa = 0V, VDDd = VDDa = 2.7V to 5.5V
Ta = -40 to +85°C, VSSd = VSSa = 0V, VDDd = VDDa = 3.0V to 5.5V
Parameter
Symbol
Pin Name
Conditions
Ratings
min typ max
Supply voltage
VDD1 VDDd, VDDa
Ta = -20 to +70°C
2.7
5.5
VDD2 VDDd, VDDa
Ta = -40 to +85°C
3.0
5.5
Input high-level voltage
Input low-level voltage
VIH1
VIH2
VIL
TEST, MODE, RST
RDCL
TEST, MODE, RST,
RDCL
0.7VDDd
0.7VDDd
0
6.5
VDDd
0.3VDDd
Output voltage
VO1
VO2
RDDA, RDCL
RDS-ID(READY)
VDDd
6.5
Input amplitude
VIN MPXIN
f = 57±2kHz
1.6
50
VXIN XIN
400 1500
Guaranteed crystal
oscillator frequencies
Xtal XIN, XOUT
CI120Ω
4.332
Crystal oscillator operating
range
TXtal XIN, XOUT
Fo = 4.332MHz
±100
RDCL setup time
tCS RDCL, RDDA
0
RDCL high-level time
tCH RDCL
0.75
RDCL low-level time
tCL RDCL
0.75
Data output time
tDC RDCL, RDDA
0.75
READY output time
tRC RDCL, READY
0.75
READY low-level time
tRL READY
107
unit
V
V
V
V
V
V
mVrms
mVrms
MHz
ppm
μs
μs
μs
μs
μs
ms
No.A0503-2/9


Part Number LC72725KV
Description RDS(RBDS) Demodulation IC
Maker ON Semiconductor
Total Page 9 Pages
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